Disclosed are thermite charges for use in well perforation and downhole fracing. The thermite charges have a core, and optionally a case, where at least one of the core and the case includes thermite material.

A gas generator for a safety device for a motor vehicle, comprises at least two distinct chambers which communicate with each other through at least one opening or nozzle. A first chamber is isolated from the outside. A second chamber or “diffusion” chamber is able to receive gases generated by the combustion of a solid pyrotechnical charge placed in the first chamber, and to discharge them towards the outside. The solid charge is a mixture consisting of at least one oxidizing charge and a reducing charge, the oxygen balance of which is equilibrated. A heat generator is provided which generates sufficient heat for triggering and sustaining the combustion of the charge without any other interaction, notably of the chemical type, between the heat generator and the charge.

A munition is described including a reactive fragment having an energetic material dispersed in a metallic binder material. A method is also described including forming a energetic material; combining the energetic material with a metallic binder material to form a mixture; and shaping the mixture to form a reactive fragment. The munition may be in the form of a warhead, and the reactive fragment may be contained within a casing of the warhead.

The invention relates to the field of explosives, and more particularly relates to particles of an explosive, wherein they are in crystalline form, have a rounded shape and a majority of them contain no internal defect. Particles of an explosive in crystalline form include a volume fraction of closed pores of less than or equal to 0.05%. A method for preparing explosive particles includes preparing crystalline particles, a majority of which are without an internal defect; and rounding the crystalline particles.

Perchlorate-free flare compositions are disclosed which, when burned, produce yellow smoke and flames. Methods of producing the compositions are also disclosed.

Moldable explosives containing chlorinated and/or fluorinated oils and waxes are described which exhibit significant energetic characteristics while at the same time possessing desirable IM character. Such moldable explosives are potential replacements for the C4 compositions known and used in the art.

A method for processing explosives containing a high loading of CL-20 may advantageously include a binder system having naphthenic oil and/or paraffinic oil. Solid energetic ingredients are added into the binder system and mixed to form a free-flowing suspension in which the solid energetic ingredients are homogeneously mixed and coated with the binder system. The binder system is then cured and cast to form a cross-linked explosive.

A wall mounted ironing board cabinet has a door on two-way sliders enabling cabinet “opened-to-the-right,” “closed” and “opened-to-the-left” conditions. The sliding door and ironing board hardware afford a cabinet which maximizes the number of possible locations of the cabinet in a room, minimizes the depth of the protrusion of the closed cabinet into the room and renders the door outer surface adaptable to uses unrelated to the storage and support of an ironing board. The ironing board hardware also allows user selection of the ironing board surface level from multiple available intervals.

A spiral wrapping for an ironer roller for a chest ironer. Chest ironers have at least one rotatably drivable ironer roller, the lower half of which is surrounded by a stationary ironer bed. The ironer roller is surrounded by an outer spiral wrapping which comes into contact with the item of laundry to be treated. The spiral wrapping is provided with an outer layer produced from a coarse woven fabric which has a higher coefficient of friction. The coefficient of friction of the coarse woven fabric does not alter as the age of the spiral wrapping increases. This means that even in the case of older spiral wrappings, there is sufficient frictional engagement between the spiral wrapping, namely the outer layer, and the item of laundry to be smoothed out.

Clothing iron including a sole (1) having a bottom side with a sliding surface (11) coming into contact with cloth and comprising at least one steam-supplied recess (10), the recess (10) being bounded on its entire periphery by the sliding surface (11) in such a manner that the recess (10) forms a steam diffusion cavity that is surrounded by the sliding surface (11) when the sole (1) is applied to the cloth being ironed, characterized in that the depth of the recess (10) is greater than or equal to 1 mm.

A system for providing bi-directional RF services over a point-to-multipoint Passive Optical Network (PON). A system that can transport upstream RF signals generated by devices such as a set top box or a cable modem, through a passive Optical Network while simultaneously supporting downstream RF video and bi-directional base-band services on the PON.

A boiler having a shell enclosing a space and an inlet for letting water into the shell space. The shell space has two separate sections, wherein a first section is located such as to receive a supply of fresh water to the boiler and wherein a second section is located such as to receive water from the first section when overflow of the first section takes place under the influence of a continuous supply of fresh water. A steam generating process takes place in the second section. Due to the fact that the second section is only indirectly filled with water, it is possible to have an undisturbed process. In particular, the water may be heated in the first section before reaching the second section. The first section may for example include an inner space of a container which is arranged inside the shell, for example.

Fold-away ironing device comprising a frame (12) attached to the wall and in which there is an ironing board surrounded by a mobile frame (18). In a first position, the ornamental front part is visible in the frame fixed to the wall and the ironing board is folded away, and in the second position, the front part is folded away and the ironing board becomes visible. First pivot means comprising a top hinge and a bottom hinge at the right-hand end or at the left-hand end of the frame fixed to the wall forming a vertical axis allowing the ironing board to be pivoted through an angle of around 90° and, on the other hand, two hinges situated at the middle of the horizontal parts of the mobile frame forming the vertical axis (20) allowing the ironing board to pivot so that it becomes visible. Second pivot means allow the ironing board in the second position to be moved from the vertical position into the horizontal position.

A heating appliance including a metal substrate, at least a part of which is covered with a self-cleaning coating including at least one oxidation catalyst selected from the platinoid oxides, and at least one dopant of said oxidation catalyst selected from the rare-earth oxides. The self-cleaning coating is a bilayer coating including: an inner layer at least partially covering the metal substrate and including the dopant; and an outer layer in contact with the ambient air and including the oxidation catalyst. Also provided is a method for producing such a heating appliance.

A stretching system to stretch a canvas or material on a frame without the use of stretching pliers and staples. Special purpose corner clamps are used to secure the stretcher bars into an initial open miter frame to orient the double sided adhesive strip on the side of the stretchers towards the canvas or material while maintaining the adhesive strip from touching the canvas or material. After alignment, the stretching bars are pressed down and attached onto the canvas or material and the corners are released. The corner clamps are removed and canvas or material corners are cut and folded into the open miter ends which also have adhesive strips. By rotating the stretchers axially 90 degrees into the final frame, thus closing the miters, and upon inserting U-shaped fasteners into the grooves placed on the back of the stretcher, the canvas or material is stretched and ready to display.

A wrinkle removing apparatus for fabric articles is provided. The apparatus includes a casing defining a volume therein and a reservoir received in the casing and containing a liquid for providing treatment to the fabric article. A platen is carried by the casing and defines a plurality of openings for allowing flow-through of liquid. A heater may be proximal the platen for heating the platen to a treatment temperature. A transducer extends into the reservoir and is configured for atomizing the liquid into a vapor.

Ironing board consisting of a top supported by at least one leg with two sections connected to one another by hinge; said hinge allows lower segment of leg to pivot between an unfolded position, in which said lower segment forms an extension of upper segment of leg, and a folded position, in which lower segment is folded in the direction of upper segment, wherein said hinge contains a mechanism to lock the lower segment in an unfolded position and at least one unlocking button to deactivate the locking mechanism to allow lower segment to rotate into the folded position.

Ironing board comprising a frame supporting a top and at least two legs joined to the frame, one of the legs having an upper end pivotably mounted on a back end of the frame, the other leg having an upper end slidably mounted on said frame, the two legs being connected to one another by a pivot linkage and movable between a storage position, and a working position.

An ironing board assembly includes an ironing board having a main board portion and at least one auxiliary board portion that is movably connected to the main board portion such that the auxiliary board portion is movable between operating and collapsed positions. A flexible ironing board cover is attachable to the ironing board so as to cover ironing sides of both the main and the auxiliary board portions, and to provide an ironing surface for a user to iron on. A tensioner is configured to pull the flexible cover taut over the covered ironing sides such that the ironing surface extends seamlessly across any joint or gap between the main and auxiliary board portions.

A hand-held convertible iron is provided that includes a housing, a soleplate disposed on the housing for pressing a garment, the soleplate having a first portion and a second portion, a heating means having a first element and a second element, the first element being disposed adjacent to the first portion of the soleplate and the second element being disposed adjacent to the second portion, wherein the second portion of the soleplate is removably attached to the housing. A quick-disconnect electrical connection provides electrical power to the second element of the heating means when the second portion of the soleplate is attached to the housing.

The small clothes iron for use with children's clothes is a small iron when compared to a traditional clothes iron. The small clothes iron resembles a toy train wherein a front surface resembles a face of a toy character while a top surface includes a handle, control buttons, and a chimney/smokestack for refilling a water reservoir. The small clothes iron has a smaller iron surface on a bottom surface, which is useful in ironing small clothes for children and infants.

A replaceable wear liner pad assembly can be used to provide an array of tiles for lining a trough structure, the trough structure being made of a magnetically attractive material. The replaceable wear liner assembly includes magnetic members encapsulated within a resilient polymeric material, the polymeric material being transparent to magnetic fields. The polymeric material may have the general consistency of truck tire rubber. One side of the tile has a sheet or portion of a set gauge thickness such that in use the magnetic members are maintained at a set standoff distance from the underlying trough structure. The resilient material is far more flexible than the magnetic elements, such that the assembly can flex somewhat. The pad assembly is free of mechanical fasteners. Individual elements of the tile array may be replaced when worn, rather than the entire array. The underside of the pad assembly may provide a seal against the underlying trough structure to discourage leakage at the apertures formerly used for conventional wear liner stud assemblies.

A system and method for changing a flow rate and direction of dry bulk material supplied from an elevated source, via an angled spout to an adjustable spout end having no internal baffles therein and having readily interchangeable wear pads therein which are accessible through an access door.

A mobile loading dock for a vehicle including a load-bearing, fixed frame with a support plate connected to diagonal supports and horizontal support members. The dock has a planar ramp member with an underside including a wheel assembly. The assembly has a tension spring and hydraulic member attached to the underside. The tension spring exerts a pulling force and the hydraulic member exerts a pushing force. The combined forces are directionally disposed to erect the assembly when the lower end of the dock is raised from a resting position in contact with the ground surface to a mobile position.

The present disclosure provides a roller and a conveying device. The roller includes an inner circle, an outer circle, and an inflatable cushion arranged between the inner circle and the outer circle with the volume thereof changing as air charge inflated thereinto changes. by adjusting the air charge of the inflatable cushion, the outer diameter of the roller is increased as the air charge inflated into the inflatable cushion increases, at the same time, the conveyor surrounding the exterior of the roller is tightened to increase the tension degree of the conveyor without disassembling other mechanisms of the conveying device, which is simply operated to be capable of saving labors and time.

An apparatus includes a processing apparatus that processes raw material in an airtight state, an accommodation section that accommodates the raw material, a first feeding path that is provided outside the processing apparatus and receives the raw material from the accommodation section, and a second feeding path having upstream and downstream ends that are outside and inside the processing apparatus, respectively. The second feeding path receives the raw material from the first feeding path. The apparatus also includes a joint section that separates and joins the first path and the second path, and a closing section that is positioned in the second path closer to the processing apparatus than the joint section and maintains the processing apparatus, and the second path in an airtight state when the joint section separates the first path and the second path.

A conveyor roller (10) has a cover (20), an axle (40), and a magnetic brake (50) having a magnetic component (51) and a braking component (54). The cover (20) is supported rotatably about an axis of rotation relative to the axle (40). The magnetic brake (50) is provided kinematically between the axle (40) and the cover (20) and is connected to the axle (40) and the cover (20) so that rotation of the cover (20) about the axis of rotation can be retarded by the magnetic brake (50). The magnetic component (51) and the braking component (54) are arranged displaceably relative to each other between a rest position and a braking position. A centrifugal device (60) for a rotational speed-dependent displacement of at least one of the magnetic brake components (51, 54) is provided between the rest position and the braking position.

A wear indicator apparatus, system and method are provided for allowing wear information from an internal flow surface of a chute to be obtained from outside the chute so as not to require access to the interior thereof for wear inspection purposes. In one form, the wear indicator apparatus has a wear indicator portion that is configured to be fit into a through opening in the chute wall assembly. The wear indicator portion has a layer of wear material that is of the same material as an inner liner of the chute wall assembly, and a mounting portion that is configured to be removably fixed to an exterior surface of the wall assembly. Preferably, the wear indicator apparatus includes a removal mechanism connected to the mounting portion that is operated outside of the chute for retracting the wear indicator portion out from the wall assembly through opening.

A vacuum roll includes an inner rotor, an intermediate stator, and an outer shell roll. The inner rotor has open and closed portions and is adapted to rotate within the intermediate stator which is rotationally fixed and also has open and closed portions. The outer shell roll has open and closed portions and is adapted to move around the intermediate stator. Together the inner rotor and the intermediate stator define an internal rotary valve interface adapted to control fluid communication between the interior chamber and the outer shell.

A method for disassembling a low-pressure process apparatus. The method provide a transmission device and a low-pressure process apparatus; and moves the housing to a transmission device in a first horizontal direction via the first roller set.

A grain auger having a discharge chute with a primary opening is also provided with at least one secondary opening and a door movable between opened and closed positions relative to the secondary opening. The door is normally closed by spring bias, but will open if the primary discharge opening becomes blocked, thereby releasing grain through the secondary opening, to prevent damage to the auger.

A system and method for causing a differential flow rate to exist in a downspout so as to reduce abrasion of a bottom side of said downspout and to sort dry bulk material flowing therethrough. The present invention reduces the velocity of the mass of the dry bulk material, such as corn, thus preserving grain quality and reducing the exit velocity at the lower end of the spout.

Embodiments of the invention provide systems and methods for a chute arrangement comprising an element for objects, such as, test tubes, caps, etc. released by a gripper unit such that the released objects may be collected in a container. The element may comprise a plurality of slots for a plurality of gripper fingers in the gripper unit to pass through. The element may be configured to restrain the object as the plurality of gripper fingers release the object.

A weighing machine (10) that may be scales employed in the packaging industry to deliver batches of product to a packaging machine below the weighing machine (10). The weighing machine (10) has a plurality of troughs (19) along which the product passes and that extend downwardly away from a generally central upright longitudinal axis (11). Each trough (19) extends downwardly from an inlet portion (21) to an outlet portion (22), with the outlet portion (22) spaced radially and angularly from the inlet portion (21) relative to the axis (11).

A process of forming the wall of the mouth of a cylindrical, metal container or packaging from a tubular ring that may or may not be molded that has to accommodate a sealing lid equipped with an elastic seal secured by a vacuum created in the container is characterized essentially by the use of a single element, the head carrying out the deformation of the internal diameter of the container by expansion to produce a bead together and simultaneously with a contraction that produces shrinkage above the bead of the mouth, the head comprising an expansible stationary part and a moving part that turns around the stationary part, the parts of the head being coaxial, which has the effect of compressing the metal and hardening it by organizing the metal molecules under two simultaneous stresses, which hardens the packaging and allows it to withstand the vacuum applied thereto.

A method for forming a piece of a sheet metal is performed by positioning a consumable body, made of metal, proximate to the piece of the sheet metal. The consumable body is rapidly vaporized, and the gas pressure generated thereby is directed into the piece of the sheet metal. This results in acceleration of the piece of sheet metal, and it is collided into a stationary body at a velocity, generally in excess of 200 m/s. Depending upon the type of stationary body, the piece of sheet metal is deformed into a predetermined shape or is welded onto the stationary body. The vaporization is accomplished by passing a high current of electricity into the consumable body. The effect of the vaporized metal may be augmented by additional components in the consumable body.

A machine tool (1) for processing a workpiece (2) by relative movement of a tool (18) with respect to the workpiece (2), including a homogenizer (15) into which water and oil are taken to disperse oil homogeneously in water, a working fluid produced in homogenizer (15) being supplied to a work area for processing of the workpiece.

The invention relates to a method for the production of a strand (11) of several wires (12), consisting of an electrically conductive material, which are hard drawn to a final diameter in at least a single or multiblock wire-drawing machine (19, 28) or drawing apparatus in a last drawing step before the stranding, so that in each case the wire or wires (12) have a tensile strength of at least 300N/mm2, and that subsequently the hard drawn wires (12) or a mixture of hard drawn wires (12) and soft-annealed wires are stranded into a strand (11) in a stranding machine (21), without a subsequent annealing process, as well as a strand which is produced according to the present method.

A method of processing an alloy workpiece to reduce thermal cracking may comprise spraying a metallic coating material onto at least a portion of a surface of the alloy workpiece to form a surface coating metallurgically bonded to the alloy workpiece. The surface coating may be more ductile than the alloy workpiece and reduces heat loss from the alloy workpiece.

A digital manufacturing system comprises a build chamber, a build platform disposed within the build chamber, at least one extrusion line configured to heat a metal-based alloy up to a temperature between solidus and liquidus temperatures of the metal-based alloy, a deposition head disposed within the build chamber and configured to deposit the heated metal-based alloy onto the build platform in a predetermined pattern, an umbilical having a first end located outside of the build chamber and a second end connected to the deposition head, and at least one gantry assembly configured to cause relative motion between the build platform and the deposition head within the build chamber, where the at least one gantry assembly comprises a motor disposed outside of the build chamber.

A method and a device for the production of a stamping with an enlarged functional surface, for example, fine blanking a workpiece out of a flat strip, wherein the flat strip is clamped between an upper part including a shearing punch, a pressure pad for the shearing punch, a V-shaped projection arranged on the pressure pad and an ejector which is pressed into the flat strip, and a lower part including a cutting die and an ejector. Edge rollover is avoided by preforming, before cutting begins, a negative with regard to the cutting direction with a preforming element in the direction opposite to the cutting direction that corresponds to the expected edge rollover into the cutting die with regard to size and geometry at cutting, generating a material volume at the side of the rollover in a mirror-inverted form. During cutting, the preformed area is supported by the preforming element.

A blank rolled in transverse directions with respect to the longitudinal axis of the blank, and with the aid of a drive for rockingly moving rolls in opposite directions, ensures that the geometry and dimensions of finished parts do not coincide with the form and dimensions of a die. A four-link articulation mechanism lifts/lowers the upper roll and transmits a rolling force thereto. Rods of hydraulic torque cylinders pivotally connect to ends of a rocker thereby transmitting oppositely directed torques and a rolling force to a lower roll. A wedge mechanism coupled to the lower end face of the lower thrust bearing lifts/lowers the lower roll thereby transmitting a rolling force thereto. A rack bar disposed between retainers horizontally moves during rolling and secures the blank using a cradle.

A method for bending a workpiece includes positioning a first bending surface adjacent to the workpiece; positioning a second bending surface adjacent to the workpiece; and moving the first bending surface and the second bending surface linearly toward the workpiece while the second bending surface rotates with respect to the first bending surface such that the first bending surface bends a first portion of the workpiece, the second bending bends a second portion of the workpiece, and the first portion of the workpiece, and the second portion of the workpiece are disposed on a first side of a bend line formed on the workpiece by the first bending surface and the second bending surface.

A mandrel is provided with a plurality of oval sections of varying circumference formed thereabout. The circumference of a first oval section is between about 1.75″ and about 2.6″. The circumference of a second oval section is about 0.2″ to 0.9″ greater than the circumference of the first section. The circumference of a third oval section is about 0.2″ to 0.9″ greater than the circumference of the second section.

The invention provides a method for producing grain-oriented silicon steel with single cold rolling, comprising: 1) smelting, refining and continuous casting to obtain a casting blank; 2) hot rolling; 3) normalization, i.e. normalizing annealing and cooling; 4) cold-rolling, i.e. single cold rolling at a cold rolling reduction rate of 75-92%; 5) decarburizing annealing at 780-880° C. for 80-350 s in a protective atmosphere having a due point of 40-80° C., wherein the total oxygen [O] in the surface of the decarburized sheet: 171/t≦[O]≦313/t (t represents the actual thickness of the steel sheet in mm), the amount of absorbed nitrogen: 2-10 ppm; 6) high temperature annealing, wherein the dew point of the protective atmosphere: 0-50° C., the temperature holding time at the first stage: 6-30 h, the amount of absorbed nitrogen during high-temperature annealing: 10-40 ppm; 7) hot-leveling annealing. The invention may control the primary recrystallization microstructure of steel sheet effectively by controlling the normalization process of hot rolled sheet to form sufficient favorable (Al, Si)N inclusions from nitrogen absorbed by slab during decarburizing annealing and low-temperature holding of high-temperature annealing, facilitating the generation of stable, perfect secondary recrystallization microstructure of the final products. In addition, the invention avoids the impact of nitridation using ammonia on the underlying layer in prior art, and thus the formation of a good glass film underlying layer is favored.

The invention resides in a hydraulic cylinder (23) for a hydraulic drawing cushion (20) of a drawing press (10). The hydraulic cylinder (23) includes a first operating chamber (47), a second operating chamber (48), and a third operating chamber (53). An annular piston (45) with a first piston surface area (49) and a second piston surface area (50) separates the first operating chamber (47) from the second operating chamber (48). The first and the second piston surfaces (49, 50) have the same size. A front surface of the piston rod (33) forms a third piston surface (54) which is larger than the first and second piston surfaces. The third piston surface (54) delimits the third operating chamber (53) of the hydraulic cylinder (23). The first and the second operating chambers (47, 48) are provided for controlling the position and/or the movement of the piston rod (33). The third operating chamber (53) serves to control the metal sheet clamping force of the drawing press via the piston rod (33).

A method for weaving a carpet including tying a row of knots with a yarn and weaving two or more weft strands next to the row of knots, where the weft strands are 100% cotton and the yarn is wool yarn hand-carded and hand-spun into a single strand is described.

One illustrative method disclosed herein includes forming a plurality of spaced-apart trenches in a semiconducting substrate to thereby define a fin structure for the device, forming a local isolation region within each of the trenches, forming a sacrificial gate structure on the fin structure, wherein the sacrificial gate structure comprises at least a sacrificial gate electrode, and forming a layer of insulating material above the fin structure and within the trench above the local isolation region. In this example, the method further includes performing at least one etching process to remove the sacrificial gate structure to thereby define a gate cavity, after removing the sacrificial gate structure, performing at least one etching process to form a recess in the local isolation region, and forming a replacement gate structure that is positioned in the recess in the local isolation region and in the gate cavity.

Methods and apparatus for forming non-woven fiber mats from polymers and monomers that are traditionally difficult to use for fiber formation are shown and described. Applicable techniques include electrospinning and other traditional fiber formation methods. Suitable polymers and monomers include those having low molecular weight, a low melting point, and/or a low glass transition temperature.

A tire includes at least one structural element which includes at least one reinforcing element which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarn including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. The tire may be a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests such as track motor races, or a tire suitable for sports utility vehicles.