ni Reduced salt precipitation in carbohydrate containing binder compositions By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Aqueous binder compositions with reduced rates of salt precipitation are described. The compositions may include a carbohydrate and a sequestrant for sequestering one or more multivalent ions (e.g., Ca2+, Mg2+, Ba2+, Al3+, Fe2+, Fe3+, etc.). The sequestrant reduces a precipitation rate for the multivalent ions from the aqueous binder composition. Methods of reducing salt precipitation from a binder composition are also described. The methods may include the steps of providing an aqueous binder solution having one or more carbohydrates. They may also include adding a sequestrant for one or more multivalent ions to the aqueous binder solution. The sequestrant reduces a precipitation rate for the multivalent ions from the binder composition. Full Article
ni Process for producing silica-based fine particle dispersion sols, silica-based fine particle dispersion sol, coating composition containing the dispersion sol, curable coating film, and substrate having the curable coating film By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Provided are silica-based fine particle dispersion sols, processes for producing the sols, coating compositions containing the dispersion sol, curable coating films obtained from the coating composition, and substrates having the coating film. A process includes (1) mixing an aqueous aluminate solution to an alkaline silica sol which contains water-dispersible silica fine particles in a given ratio; (2) heating the mixture liquid obtained in the step (1) to 60 to 200° C. and stirring the mixture liquid at the temperature for 0.5 to 20 hours; and (3) contacting the mixture liquid obtained in the step (2) with a cation exchange resin to remove by ion exchange alkali metal ions contained in the mixture liquid and thereby controlling the pH of the mixture liquid to be in the range of 3.0 to 6.0. Full Article
ni Cement composition containing dune sand and limestone powder, concrete products and method for making concrete products By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A raw batch composition for concrete or concrete wherein the raw batch composition comprises Portland cement of about 15 wgt. % to about 45 wgt. % and dune sand preferably red dune sand is present in an amount of about 40 wgt. %. The dune sand has a particle size of less than or equal to 45 microns. The composition also includes limestone powder ranging from about 15 wgt. % to 45 wgt. % with particle sizes less than or equal to 45 microns to form a base material. To this base material suitable amounts of fine aggregate, coarse aggregate, water and superplasticizer are added. A method for producing a cast concrete product having a compressive strength of between 62 MPa and 90 MPa is disclosed. The method comprises a step of providing Portland cement, dune sand and limestone powder. Full Article
ni Fastening apparatus and system By www.freepatentsonline.com Published On :: Tue, 06 May 2014 08:00:00 EDT An improved apparatus for holding multiple locking clips and applying a single locking clip to an article resting on a surface in which a pivotable feed detent lever insures that only one clip is provided at a time and the clip has a frangible member that maintains the side members of the clip in an open position until the clip reaches the articles whereupon the frangible link is broken permitting the clip to be locked about the articles. Full Article
ni Servo-controlled three axis wire straightening device By www.freepatentsonline.com Published On :: Tue, 01 Jul 2014 08:00:00 EDT A wire straightener comprises a wire feed path, a first set of rollers disposed in a first plane along the wire feed path, a second set of rollers disposed in a second plane along the wire feed path, the first and second planes being substantially perpendicular to one another, a first motor operable to adjust a position of at least one of the rollers of the first set of rollers when actuated, and a second motor operable to adjust a position of at least one of the rollers of the second set of rollers when actuated. Full Article
ni Device for internal flaw magnification during wire drawing By www.freepatentsonline.com Published On :: Tue, 03 Feb 2015 08:00:00 EST A device for use as an adjunct in assuring that a manufactured wire is substantially free of internal flaws. A plurality of successively adjacent wire bending stations are provided, where each station includes means for bending the wire into bending planes which are different for each of the stations. The wire is passed through the successive stations, whereby the different bending planes at each station subject the wire at each station to tensile bending strain at portions of the wire cross-section which are different for each station. As a result the probability is increased that a given internal flaw in the wire will be exposed to the tensile bending strain condition as the wire passes through the successive stations, increasing likelihood of breakage of the wire at the flaw or of flaw magnification to improve detection of the flaw during subsequent wire inspections. Full Article
ni Cable tie tensioning and cut-off tool By www.freepatentsonline.com Published On :: Tue, 17 Feb 2015 08:00:00 EST A hand held tool for the tensioning and severing of cable ties, including reciprocating means for tensioning the cable tie tail, locking means to prevent further tensioning upon the attainment of a preselected tension level in the tie tail, and severing means to sever the tie tail from the cable tie head. Full Article
ni Cable tie tensioning and cut-off tool By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST A hand held tool for the tensioning and severing of cable ties, including reciprocating means for tensioning the cable tie tail, locking means to prevent further tensioning upon the attainment of a preselected tension level in the tie tail, and severing means to sever the tie tail from the cable tie head. Full Article
ni Wire straightening apparatus By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT A straightening apparatus for straightening wires comprises an entry-side roll arrangement and an exit-side roll arrangement, which are arranged so that a wire that is to be straightened, viewed in a transport direction, arrives between rolls of the entry-side roll arrangement in the straightening apparatus and, after passing between rolls of the exit-side roll arrangement, leaves the straightening apparatus, a distance between two rolls of the exit-side roll arrangement being settable. Furthermore, a pre-definable force F acts on the wire perpendicular to the transport direction between two rolls of the entry-side roll arrangement. Full Article
ni Monitoring and alarm device for construction machinery By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST The invention relates to a monitoring and alarm device for construction machinery having long and heavy booms, such as cranes, in particular mobile cranes, is characterized in that a monitor system is provided, which monitors parameters that may change in case of an undesired lowering of the boom or of boom sections in a non-operating condition, and triggers an optical and/acoustic and/or wireless alarm system if the parameters change. Full Article
ni Crane equipped with travelable counterweight unit By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST Disclosed is a crane comprising: a lower body; an upper slewing body; a counterweight unit including a plurality of wheels to travel on the ground in a turning direction equal to a slewing direction of the upper slewing body while being suspended from the upper slewing body; a steering actuator for rotating each of the wheels around a steering-rotation center axis to change the steering angle; and a steering control device for controlling the steering actuator. The steering control device includes: a slewing-identification-signal receiving section which receives a slewing identification signal for identification of the slewing direction of the upper slewing body; and an actuator operating section operates the steering actuator to orient each of the wheels to the inside of a tangent line to an orbit of the wheel at the steering-rotation center axis, based on the identified slewing direction identified from the slewing identification signal. Full Article
ni Handle mechanism for an HVAC damper actuator By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A damper system may include a handle mechanism for use with a damper actuator system. Illustratively, the handle mechanism may include a drive gear mechanism, a handle, a housing, and a spring, and may be actuated to set a crack pressure for the damper system. The handle may connect to the drive gear mechanism at a drive gear arm of the drive gear mechanism and may flip over or about the drive gear arm to move from a first position to a second position. In some instances, once the handle is in the second position, a force may be applied thereto to disengage the drive gear from a stop member and thereafter, the handle may be rotated to change the crack pressure of the damper system. Full Article
ni Method and apparatus for condition monitoring of valve By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT In the method and apparatus of the invention, the process point is taken into account when the condition and performance of a control valve are monitored. In the condition monitoring of the valve, process measurements are used in addition to measurements inside the valve in such a manner that the process measurements identify the operating point at which the valve operates, and the measurements inside the valve are observed at these operating points to detect changes and to determine the condition of the valve. According to an aspect of the invention, the variables representing the operating point of an industrial process are considered when changes in the friction load of the valve and/or the load factor of the actuator are observed. Full Article
ni Opening degree detection device for automatically operated valve By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT To provide an opening degree detection device for an automatically operated valve which is easily assembled into an automatically operated valve, makes it easy to ensure detection accuracy at the time of assembling the opening degree detection device, and is easily applicable to an existing automatically operated valve. The opening degree detection device includes: a base plate 4 which is detachably mounted on an automatically operated valve 2; a displacement sensor 5; and a target 6 having an inclined detection surface 6a which is detected by the displacement sensor 5. The target 6 is fixed to the base plate 4. The displacement sensor 5 is supported on a valve stem 14 by way of a sensor support member 21, and the sensor support member 21 is supported on the base plate 4 by way of a guide means. Full Article
ni Braiding mechanism and methods of use By www.freepatentsonline.com Published On :: Tue, 02 Sep 2014 08:00:00 EDT A tubular braid and mechanisms for forming the braid are described. The mechanism for braiding includes a disc, a mandrel, a plurality of catch mechanisms, and a plurality of actuators. The disc defines a plane and a circumferential edge. The mandrel extends from a center of the disc and is adapted to hold a plurality of filaments extending radially from the mandrel toward the circumferential edge of the disc. The plurality of catch mechanisms are positioned circumferentially around the edge of the disc and are adapted to engage a filament. The plurality of actuators are configured to move relative to one another and are adapted to move the plurality of catch mechanisms in a substantially radial direction relative to the circumferential edge of the disc. Full Article
ni Braiding mechanism and methods of use By www.freepatentsonline.com Published On :: Tue, 09 Sep 2014 08:00:00 EDT Devices and methods for forming a tubular braid comprising a plurality of filaments. The braiding machine includes a circular array of filament guiding members defining a plane; a mandrel defining an axis and adapted to carry one or more filaments extending from the mandrel to the circular array; a plurality of filaments extending from the mandrel in a radial array; a plurality of actuator mechanisms disposed operably about the disc; and a rotating mechanism adapted to rotate one or more filaments. The actuator mechanisms and rotating mechanism are configured to move each of the one or more filaments about the mandrel axis in a path comprising a series of arcs and radial movements. The braiding machine may alternately first and second annular members, a mandrel, first and second plurality of tubular wire guides, and a plurality of wires extending from the mandrel. Full Article
ni Braiding mechanism and methods of use By www.freepatentsonline.com Published On :: Tue, 16 Sep 2014 08:00:00 EDT Devices and methods for forming a tubular braid comprising a plurality of filaments. The method for braiding includes the step of loading a plurality of filaments on a mandrel and extending the filaments radially from the mandrel, the plurality of filaments have a first subset and a second subset. Tension is applied to the plurality of filaments using a weight attached to each filament. The first subset of the plurality of filaments is engaged, moved circumferentially relative to the second subset, and then released. The second subset of filaments is then engaged and moved circumferentially relative to the first subset of filaments, such that a tubular braid of filaments is formed. Full Article
ni Process for manufacturing a mechanical member made of a composite having increased mechanical strength By www.freepatentsonline.com Published On :: Tue, 07 Oct 2014 08:00:00 EDT A method of fabricating a mechanical member for aircraft, including a plurality of operations of braiding and depositing layers of braided reinforcing fibers on a mandrel (11) by using braiding machine. Each operation comprises braiding a braided layer and depositing it by moving the mandrel (11) along a central axis of the braiding machine. Each of the various superposed braided layers comprises both longitudinal fibers (12, 12G) that are parallel to a main direction of the mandrel (11), and interlacing fibers that are inclined. At least one operation is configured to form and deposit a braided layer having, in at least one cross-section of the member, a density of longitudinal fibers that differs depending on whether consideration is given to one angular region (S1) or another angular region (S2) of the same extent around the center of gravity (G) of the mandrel (11) in the section under consideration. Full Article
ni Variable denier yarn and suture By www.freepatentsonline.com Published On :: Tue, 11 Nov 2014 08:00:00 EST A textile yarn includes a first segment and a second segment. The first segment includes a plurality of first strands and has a substantially constant first denier. The second segment includes a plurality of second strands integrated together and has a substantially constant second denier. There are more second strands in the second segment than first strands in the first segment such that the second denier is greater than the first denier. A first portion of the plurality of second strands is made from a first plurality of yarn elements that extend through the first and second segments. A second portion of the plurality of second strands is made from a second plurality of yarn elements present in the second segment and not the first segment. The yarn elements in the second plurality of yarn elements terminate in a transition zone between the first segment and the second segment. Full Article
ni System and method for vehicle communication, vehicle control, and/or route inspection By www.freepatentsonline.com Published On :: Tue, 02 Dec 2014 08:00:00 EST In a system and method for communicating data in a locomotive consist or other vehicle consist (comprising at least first and second linked vehicles), a first electronic component in the first vehicle of the vehicle consist is monitored to determine if the component is in (or enters) a failure state. In the failure state, the first electronic component is unable to perform a designated function. Upon determining the failure state, data is transmitted from the first vehicle to a second electronic component on the second vehicle, over a communication channel linking the first vehicle and the second vehicle. The second electronic component is operated based on the transmitted data, with the second electronic component performing the designated function that the first electronic component is unable to perform. Full Article
ni Systems and methods for determining route location By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST A system includes a communication module and a determination module. The communication module is configured to be located onboard a vehicle configured to travel along a route including plural sub-routes. The communication module is configured to receive route occupancy information from an off-board wayside module disposed along the route. The route occupancy information corresponds to a presence or absence of vehicular traffic on each sub-route within a range of a route detection system operably coupled to the wayside module. The determination module is configured to be located onboard the vehicle, and to obtain position information from one or more onboard detection units disposed onboard the vehicle. The determination module is configured to determine a particular sub-route on which the vehicle is disposed using a comparison of the position information obtained from the one or more onboard detection units and the occupancy information received from the off-board wayside module. Full Article
ni Consist communication system having bearing temperature input By www.freepatentsonline.com Published On :: Tue, 06 Jan 2015 08:00:00 EST A consist communication system is disclosed for use with a train consist. The system may have a sensor associated with a component of the consist and configured to generate a signal indicative of a performance parameter of the component. The system may further include a controller, a fluid conduit, at least a first cable disposed within the fluid conduit and configured to transmit the signal from the sensor to the controller, and a glad-hand coupling fixedly connected to an end of the fluid conduit. Full Article
ni Data communication system and method By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST A communication system for a vehicle consist may include a control module that interfaces with router transceiver units coupled to a cable bus, and can communicate network data between vehicles having a transceiver unit over a cable bus. Full Article
ni Method and apparatus for positioning a rail vehicle or rail vehicle consist By www.freepatentsonline.com Published On :: Tue, 27 Jan 2015 08:00:00 EST A tower control system, under an indexing mode of operation, receives a first signal from rail yard equipment. In response to the first signal, the tower control system establishes a positioning mode of operation. Under the positioning mode of operation, and in response to actuation of an interface of the tower control system, the tower control system sends a second signal to a lead powered rail vehicle of a consist. The second signal includes a first command to adjust a throttle setting of the lead powered rail vehicle, along with a second command to idle a throttle of any remote powered rail vehicle of the consist. Full Article
ni Railway system using acoustic monitoring By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A method of monitoring and/or controlling components of a railway system which includes a track and at least one train that is operable to run on said track, comprises the steps of: a) providing an acoustic transducer proximate the railway for picking up acoustic signals; b) receiving acoustic signals from the transducer; and c) analyzing the received signals. Full Article
ni Electronic condition detection system and method for railcars By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A railcar has an on-board system for detecting conditions of the railcar. The on-board system includes a plurality of condition sensors positioned on the railcar. A transceiver is in communication with each of the plurality of condition sensors so as to receive condition data from the plurality of condition sensors. The transceiver transmits the condition data to a receiving station remote from the railcar for review and analysis. Full Article
ni Railroad signaling and communication system using a fail-safe voltage sensor to verify trackside conditions in safety-critical railroad applications By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A method and system for verifying trackside conditions in safety critical railroad applications by reporting the status of trackside signals and switches to a remote train control system. The system comprises at least one sensor for providing trackside conditions electrically connected to a circuit for providing trackside conditions to a railroad, said sensor being powered by voltage applied to the circuit such that the sensor is energized only when said electrical component is engaged. The system and method further comprises a method and system which is failsafe and which enables the control system to independently verify signals from each sensor. Full Article
ni System and method for determining a slack condition of a vehicle system By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A method for determining a slack condition of a vehicle system includes determining when each of first and second vehicles reaches a designated location along a route. The method also includes communicating a response message from the second vehicle to the first vehicle responsive to the second vehicle reaching the designated location, calculating a separation distance between the first vehicle and the second vehicle based on a time delay between a first time when the first vehicle reached the designated location and a second time when the second vehicle reached the designated location, and determining a slack condition of the vehicle system based on the separation distance. The slack condition is representative of an amount of slack in the vehicle system between the first and second vehicles. Full Article
ni Acoustical warning system By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A locomotive warning system includes an acoustical warning subsystem configured to emit variably directed sound. A controller subsystem is responsive to an initiation command and is configured to trigger the acoustical warning subsystem to begin a sounding sequence when the initiation command is received at a first directivity angle and to continue the sound blast sequence at increasing directivity angles for a pre-establish time and/or distance traveled. Full Article
ni System and method for determining dynamically changing distributions of vehicles in a vehicle system By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A system and method for determining dynamically changing distributions of vehicles in a vehicle system are disclosed. The system and method determine handling parameters of the vehicle system. The handling parameters are determined for different distributions of the vehicles among different groups at different potential change points along a route. The system and method also determine whether to change the distributions at potential change points based on the handling parameters. Based on determining that the distributions are to change, a selected sequence of changes to the distributions is determined at one or more of the potential change points along the route. Change indices are generated based on the selected sequence. The change indices designate times and/or the one or more potential change points at which the distributions changes. The vehicles included in a common group have common designated operational settings while the vehicles are in the common group. Full Article
ni Warning horn control system, radar system, and method By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT There is provided a radar system that includes an emitter system (e.g., an antenna), configured to emit electromagnetic pulses and detect electromagnetic pulses, and a reflection target, placed opposite the emitter system. The emitter system and the reflection target define an area of interest. A controller is configured to identify a reflection from the reflection target and, if the reflection is not identified, to stop sending a radar check signal. The radar system may be part of a warning horn control system, where the radar check signal is used as a control input for activating a warning horn. Full Article
ni Systems and methods for providing constant warning time at crossings By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A system includes a determination module and a communication module. The determination module is configured to be located onboard a first vehicle configured to travel along a first route including a crossing corresponding to an intersection of the first route with a second route. The determination module is configured to be communicatively coupled with a remote crossing module. The determination module is configured to determine, based on a speed of the first vehicle, timing information corresponding to a time at which the first vehicle will travel proximate to the crossing on the first route. The communication module is configured to transmit the timing information to the remote crossing module. The timing information includes a reference time configured as an absolute time corresponding to a time for impeding travel of a second vehicle along the second route through the crossing. Full Article
ni Method and sequential monitoring overlay system for track circuits By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A sequential monitoring system is for an interlocking logic system and a track circuit system including a plurality of track circuits. The sequential monitoring system includes an interface between the interlocking logic system and the track circuit system; and a processor structured to monitor a state of each of the track circuits, validate a sequence of state changes of the track circuits, and interrupt and correct invalid track circuit state indications between the track circuit system and the interlocking logic system. The interface normally passes inputs from the track circuit system to outputs to the interlocking logic system. When an out of sequence event occurs, the processor applies a quarantine to a minimum of three of the track circuits in a quarantined area, thereby inhibiting use of an unoccupied track circuit in the quarantined area. Full Article
ni System and method for communicating data in a consist By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A system for communicating a dataset may include at least a first and a second communication line. The system may also include a first transceiver configured to communicate a first data signal indicative of the dataset over the first communication line and a second transceiver configured to communicate a second data signal indicative of the dataset over the second communication line. The system may also include a processor. The processor may be configured to receive the first data signal and the second data signal and compare the first data signal and the second data signal to determine whether the first data signal or the second data signal comprises a more accurate signal. The processor may also be configured to determine the dataset based upon the more accurate signal. Full Article
ni Unitary form for poured foundation pad and method By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST A unitary assembly facilitates constructing concrete foundation pads made of poured concrete, the foundation pads being useful to support a structure or building. The apparatus comprises a unitary assembly of existing planar forms connected by taper-shaped corners using wedge connectors to define an upwardly-tapered cavity shaped to hold poured concrete until the concrete cures. The assembly is sufficiently rigid and the planar forms are held at an angle sufficient for the unitary assembly to self-release from the cured concrete without disassembly when lifted/moved vertically off of the cured concrete. Full Article
ni Undercut processing mechanism By www.freepatentsonline.com Published On :: Tue, 06 Jan 2015 08:00:00 EST A pair of mold cores (51, 52) for molding an undercut portion (P1) in a holder (30) installed inside a movable mold (13) are connected to and supported by a retaining piece (40) which is moved in the demolding direction, and at the time of demolding, the respective mold cores (51, 52) are guided by guide means (33, 34) from the molding position, where they are contacted with each other, to the mold release position, where they are separated from each other, being moved from one end side to the other end side of the retaining piece (40), in the mutually opposite directions so as to pass each other in the back and forth direction. Full Article
ni Insulating ICF window buck with integrated fastening and anchors By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST An insulated window buck with integrated fastening and anchor elements for a self aligning cut or molded insulated concrete form (ICF) window buck. The insulated window buck with integrated fastening and anchor generally includes an insulated ICF window and door buck made with multiple components with a configuration that allows for the use of various type of materials' on the face and edges of the buck, and have the ability to friction fit to the inside of an ICF wall so as no external bracing or strapping is needed to keep the buck aligned with the ICF wall during concrete placement. Having a firm insulation material component on the internal portion of the buck is an integral part of the invention in that through the use of recesses in the insulation material the fluid concrete can flow into these recesses and make a permanent bond to the buck. Also having the ability to use single or multiple insulation pieces to make up the insulating and friction fit element of the buck is an integral part of the invention. Full Article
ni Mold structure, patterning method using the same, and method of fabricating liquid crystal display device By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST A mold structure, a patterning method thereof and a method of fabricating an LCD device using the same are disclosed, which can realize a conformal contact by applying a voltage between a mold structure and a material layer being opposite to each other in an In-Plane Printing process, so as to prevent defective patterns, wherein the mold structure comprises a mold whose surface is provided with patterns; a backplane for supporting the mold; and a conductive film formed between the backplane and the mold. Full Article
ni Replication of patterned thin-film structures for use in plasmonics and metamaterials By www.freepatentsonline.com Published On :: Tue, 03 Feb 2015 08:00:00 EST The present invention provides templating methods for replicating patterned metal films from a template substrate such as for use in plasmonic devices and metamaterials. Advantageously, the template substrate is reusable and can provide plural copies of the structure of the template substrate. Because high-quality substrates that are inherently smooth and flat are available, patterned metal films in accordance with the present invention can advantageously provide surfaces that replicate the surface characteristics of the template substrate both in the patterned regions and in the unpatterned regions. Full Article
ni Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT Provided are a polycrystalline silicon ingot casting mold and a method for producing a polycrystalline silicon ingot casting mold, with which high-quality silicon ingots can be obtained at high yields by minimizing sticking with the surfaces of the silicon ingot casting mold, and losses and damages that occur when solidified silicon ingot is released from the mold. The method for producing a polycrystalline silicon ingot casting mold having a release layer, including: forming a slurry by mixing a silicon nitride powder with water, coating the surface of the mold with the slurry, and heating the mold at 400 to 800° C. in an atmosphere containing oxygen, after coating the slurry. Full Article
ni Exterior wall forms with core walls for the rapid manufacturing of concrete modular housing units By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A system for accelerated manufacturing of concrete modular housing units including a first deck platform including a plurality of exterior movable wall forms. A second deck platform including a plurality of exterior movable wall forms. A first concrete slab is placed on the first deck platform. At least one core including a plurality of core walls placed on the first concrete slab. The exterior movable wall forms of the first deck platform are positioned proximate the core walls to define a wall space there between configured to receive wet concrete and create a first concrete modular housing unit. A second concrete slab is placed on the second deck platform. Wet concrete in the wall space is allowed to set a until it is partially cured and then the at least one core is removed from the first concrete slab and placed on the second concrete slab such that the at least one core can be reused one or more times during a predetermined amount of time to create a least a second concrete modular housing unit while the first concrete modular housing unit is still curing. Full Article
ni Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A polycrystalline silicon ingot casting mold, and method for producing same. Mold release material being obtained by blending a silicon nitride powder (A) having an average particle diameter along the short axis of 0.6 to 13 μm with a silicon nitride powder (B) having an average particle diameter along the short axis of 0.1 to 0.3 μm at a weight ratio of 5:5 to 9:1; coating the mold surface with the slurry; and a heating the mold at 800 to 1200° C. in an atmosphere containing oxygen. Full Article
ni Launch apparatus for toy discs with disc flip mechanism By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A toy pump action rifle for launching discs having an outer housing, a stock, a grip, a trigger, a handle for cocking the rifle and a revolving drum for storing multiple discs. Within the housing is a mechanism for removing discs, one at a time, from the drum where the discs are arranged in a first position, rotating each disc 90° to a second position, and transporting each disc to a discharge chamber. The mechanism includes a transfer arm to remove each disc from the drum, a disc pocket for receiving the removed disc, the pocket being rotatable to reorient the disc, and disc pocket also being slidable to carry the disc to the discharge chamber. Activation of the trigger releases a cocked launch arm that snaps forward and strikes the disc to cause discharge. Full Article
ni Electronically adjusted bowsight By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A sight and range finder for a projectile launching device are disclosed. The range finder calculates a range between a target and a projectile launching device, and transmits a signal indicative of the range. The sight visually aligns the target with the projectile launching device. A drive assembly moves an alignment member of the sight, and at least one processor receives the signal and actuates the drive assembly to move the alignment portion a selected distance based on the range. Full Article
ni Trigger mechanism for a crossbow By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A trigger assembly for a crossbow comprises a string retainer and a trigger mechanism. The trigger assembly can further comprise a piston, a safety mechanism, a secondary safety mechanism, a bolt sensor, or a pair of rotating sears. The string retainer can comprise a pair of opposed jaws. Full Article
ni Adjustable mechanical vibration limiting and absorbing apparatus By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT An adjustable mechanical vibration limiting and absorbing device for an archery bow including a hollow housing and two groups of elastomer washers provided in the hollow housing with a means for preventing the first group from advancing out of the hollow housing and separating the first group from the second group. In addition, a fastener extends through the center of the first and second groups of elastomer washers and a lock nut and weight are provided on the projecting end of the fastener. Full Article
ni Method and apparatus for managing ammunition dispensing from a magazine using a flexible projectile control bar By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A double-magazine (“Dmag”) able to house projectile ammunition for a projectile launcher having a first ammunition channel, a second ammunition channel, and a flexible projectile control bar (“FPCB”) is disclosed. In one embodiment, the first ammunition channel contains a first set or column of projectiles and the second ammunition channel which is situated in parallel to the first ammunition channel is configured to house a second set of projectiles. Dmag also includes a follower with a follower lock capable of moving along the first ammunition channel. The follower is configured to push the first set of projectiles toward a first ammunition supply port of the first ammunition channel. The FPCB has a first flexible flap which keeps the first set of projectiles from reaching the loading port of the launcher until the follower lock is released. Full Article
ni Air gun magazine with ratchet loading mechanism By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A magazine for an air gun is provided with first and second shells; an internal passage; a rotatable shaft including a lengthwise groove on a surface, and a transverse slot on the surface communicating with the groove; a pulley rotatably put on the shaft and having both ends rotatably secured to the first and second shells respectively; a ratchet mechanism mounted on the pulley; a pin inserted into the pulley to dispose in one end of the groove; a line having one end wound on the pulley, the line extending through the passage to have an other end engaged with a projectile support in the passage; a spring put on the line and biased between the pulley and the projectile support; and a spring biased knob disposed on an outer surface of the first shell and secured to the shaft. Full Article
ni Universal wrist strap for archery bowstring release By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A universal wrist strap, for connection to a plurality of different bowstring release mechanisms via a plurality of different connecting members, includes a flexible base member adapted to fit around the wrist of a user and a mounting assembly connected to the wrist strap. The flexible base member has first and second arms that converge towards an apex area. The mounting assembly is connected to the apex area and is adapted to receive and retain the plurality of different connecting members. Full Article
ni Hinged arm safety mechanism for foam dart launcher By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A dart launcher comprises a housing, a safety arm, and a trigger. The housing includes a launching section configured to receive a dart having a minimum threshold length. The safety arm is movably attached to the housing and extends at least partially across the launching section. The safety arm is positioned so that the dart having the minimum threshold length engages at least a portion of the safety arm upon insertion into the launching section. The trigger is movable with respect to the housing and is operable to cause the dart having the minimum threshold length to launch from the launching section. Full Article