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 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.

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.

The current invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables to enlarge and connect an insert tube to a heat radiating fin for producing a heat exchanger, still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to the guide-pipe.

A double rustproof PC strand has superior durability and semi-permanent rustproof performance. A core wire and surrounding wires are formed of wires subjected to a wire drawing treatment and a plating treatment to be formed with a plated layer. A rustproof treatment is applied by forming a synthetic resin coat on an outer peripheral surface thereof. In order to uniformize and regulate the twisting pitch, the core wire and the surrounding wires are adjusted under the conditions of: (A) Diameter of CORE: 4.42±0.05 mm, Diameter of Surrounding wire: 4.25±0.05 mm,(B) Diameter of CORE: 5.22±0.05 mm, Diameter of Surrounding wire: 5.06±0.05 mm, or(C) Diameter of CORE: 5.40±0.05 mm, Diameter of Surrounding wire: 5.25±0.05 mm, and then twisted, andthe tensile strength is 1850 N/mm2 or higher.

A dipper assembly includes a dipper, a dipper door, and a closure mechanism. The dipper door is coupled to the dipper, and has a closed position in which the dipper door covers the dipper bottom. The closure mechanism has a first position and a second position. In the first position the closure mechanism is configured to permit movement of the dipper door away from the dipper bottom. In the second position, the closure mechanism is configured to retain the dipper door in the closed position. The closure mechanism includes a link having a first leg and a second leg, one or more side link plates coupled to the link and to the dipper back, and a closure mechanism pin assembly configured to adjust the position of the link relative to the dipper door.

A dipper assembly includes a dipper, a dipper door, a closure mechanism, a trip assembly, and a camshaft support assembly. The dipper door is pivotally mounted to the dipper for movement between an open position and a closed position in which the dipper door covers the dipper bottom. The closure mechanism is configured to retain the dipper door in the closed position. The trip assembly is configured to release the dipper door for movement to the open position, and includes a trip arm coupled to a camshaft and also coupled to a trip rope. The camshaft support assembly is configured to receive the camshaft, and includes a bearing block receiving a rotatable bearing member, and a sealing mechanism.

A door transportation method in a vehicle body assembly line, in which the vehicle body is placed and transported on a vehicle body transportation carriage of a floor conveyer, and thereby components are assembled to the vehicle body, includes: placing and transporting the door, which is detached from the vehicle body, on a door placing section arranged on a base stand of the vehicle body transportation carriage.

A portable folding support structure for safely tethering an individual comprises a portable cart sized to fit through a residential doorway, having wheels and a motor that actuates at least one of the wheels. A hand-operated throttle and steering device control the cart. The cart comprises an extendable anchoring plate to prevent rolling. A substantially horizontal jib with the cart comprises a harness point for receiving a safety cable to which an individual is attached to allow safe cleaning practices and to minimize fall risk. A foldable outrigger provides stability to the cart and an anchoring pad attaches to a distal region of the outrigger to promote stability. A textile liquid-absorbing surface is positionable about an outer surface of a glass balcony to inhibit cleaning liquids from spilling below the level of the liquid-absorbing surface.

An apparatus for facilitating the storage of equipment such as ladders in the upper area, but particularly in the upper area on the outside of emergency vehicles such as trucks which includes a capability of moving the ladder to an extended lower deployed position to facilitate immediate access thereto by emergency workers such as firemen. An outer bracket is connected to an inner housing through a parallel linkage with the inner housing attached to the vehicle and the outer bracket attachable to the equipment. The outer bracket includes a downwardly extendable sliding carriage to facilitate positioning of the equipment at a lower level for aiding in retrieval thereof utilizing a flexible control arm.

An SRAM includes an SRAM array comprising a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.

A bit line architecture for dual-port static random-access memory (DP SRAM) is provided. An array of memory cells is arranged in rows and columns, and comprises a first subarray and a second subarray. A first pair of complementary bit lines (CBLs) extends along a column, from a first side of the array, and terminates between the first and second subarrays. A second pair of CBLs extends from the first side of the array, along the column, to a second side of the array. The CBLs of the second pair of CBLs have stepped profiles between the first and second subarrays. A third pair of CBLs and a fourth pair of CBLs extend along the column. The first and third pairs of CBLs electrically couple to memory cells in the first subarray, and the second and fourth pairs of CBLs electrically couple to memory cells in the second subarray.

A technology is disclosed for an evolved Node B (eNB). The eNB can determine a set of configuration indication fields numbered 1 to N, included in a downlink control information (DCI) format Y carried on the PDCCH, where N=⌊LformatYM⌋, Lformat Y is equal to a payload size of the DCI format Y, and M is a number of bits of each indication field. The eNB can map the DCI format Y onto the PDCCH. The eNB can encode for transmission from to the UE the PDCCH with a cyclic redundancy check (CRC) scrambled by an enhanced interference mitigation and traffic adaptation (eIMTA) Radio-Network Temporary Identifier (RNTI) for the UE.

A method and network node for adaptation of contention windows in a multicarrier wireless communication system implementing a listen-before-talk protocol are disclosed. According to one aspect, a method includes determining at least one component carrier (CC), of multiple CCs to serve as a backoff channel. The method further includes performing a listen-before-talk procedure on the at least one CC serving as a backoff channel. The listen-before-talk procedure includes sensing for each backoff channel whether a clear channel exists during a backoff period drawn from a contention window (CW). The LBT procedure also includes deferring transmitting on a CC for which the sensing does not indicate that a clear channel exists. The LBT procedure also includes transmitting on a CC for which the sensing indicates a clear channel exists. The method also includes determining a size of the CW based on at least one transmission feedback value.

The slide operation-type dovetail groove sliding stage may include a sliding lock screw for locking sliding of a sliding component, by causing the screw to abut on an inverted triangle-shaped protrusion, provided on a sidewall of a sliding component approximately parallel to a sliding direction and coupled to the sliding component, to bring the protrusion into contact with a dovetail of the fixed component and by tightening the screw. The sliding lock screw may be used as a sliding adjustment screw for performing fine adjustment of a degree of sliding of the sliding component with respect to the fixed component by adjusting an amount of rotation of the screw which abuts on the protrusion to bring it into contact with the dovetail of the sliding component, and a driving means which an operator grasps to perform an operation of sliding the sliding component to a desired position.

A tool for measuring, marking, or cutting material, the tool formed of a rigid sheet of transparent material having a plurality of lines formed thereon, and a plurality of windows formed in the lines to enable viewing of material underlying the tool. The windows can be outlined in opaque lines, and alternating windows can be filled with contrasting transparent colors.

A recreational or outdoor mirrored compass is comprised of a base member, a hinged cover with a mirror and a sighting window for sighting a land mark, and a vial assembly pivotally coupled to said base member. The vial assembly comprises a vial, a magnetized indicator member pivotally journaled in the vial and an azimuth ring. At least parts of the inner sides of the sighting window are tapered in the line of sight.

An archwire for use with a passive self-ligation orthodontic bracket is described and which includes a resilient main body which is received in the archwire slot, and which further has a predetermined width dimension, and a variable thickness dimension, and wherein the variable thickness dimension of the archwire can be varied so as to facilitate an adjustable application of a force to the passive self-ligation orthodontic bracket so as to achieve a clinician selectable and controllable second and third order movement of a patient's tooth.

An orthodontic bracket is described and which includes an archwire slot for receiving and cooperating with an archwire having a given shape, and wherein the bracket body has multiple forms each having an immovable anterior facing surface which lies in a given plane, and wherein the various forms of the bracket body can be rendered operable to express first, second or third order movement to a patient's tooth undergoing a clinician directed orthodontic treatment.

Custom dental prosthesis or implants each individually designed and manufactured to replace nonfunctional natural teeth positioned in a jawbone of a specific pre-identified patient are provided. An example dental prosthesis/implant includes a dental implant body having a prosthesis interface formed therein to receive an occlusally-facing dental prosthesis component. The prosthesis interface has a custom three-dimensional surface shape positioned and formed to create a form locking fit with respect to the occlusally-facing dental prosthesis component when positioned thereon.

An ornament for attachment to orthodontic braces, the orthodontic braces having an arch wire overlying a laterally adjacent pair of teeth, the ornament having a web having a front end and a rear end; the ornament further having a first arm fixedly attached to and extending downwardly from the web's front end; the ornament further having a second arm fixedly attached to and extending downwardly from the web's rear end; the ornament further having a channel bounded by structures including the web, the first arm, and the second arm, the channel being fitted for, upon a passage of the arch wire between the first and second arms, nestingly receiving the arch wire.

The present disclosure provides a double clutch assembly and a device for assisting an actuator of the double clutch. The device applies an assistance force to the actuator upon an operation of the actuator. In particular, the double clutch assembly includes first and second actuators which engage or disengage first and second clutches, respectively. The device includes: an elastic member to apply an elastic force; a first transfer portion to transfer the elastic force of the elastic member to the first actuator; and a second transfer portion to transfer the elastic force of the elastic member to the second actuator.

A charge pump circuit includes a capacitor, a first switch between the capacitor and a power supply terminal, a second switch between the capacitor and an output terminal, a third switch between the output terminal and the capacitor, a fourth switch between the capacitor and a ground terminal, and a control unit configured to generate control signals for the switches. The control signals include first signals generated during a first period that cause first and third switches to be in an ON state and second and fourth switches to be in an OFF state, second signals generated during a second period that cause first and third switches to be in an OFF state and second and fourth switches to be in an ON state, and third signals generated between the first and second periods, that cause the ON/OFF state of each of the switches to be switched at different times.

One example discloses an apparatus for power management, including: a circuit having a first power-domain and a second power-domain; wherein the first and second power-domains include a set of operating parameter values; a circuit controller configured to incrementally sweep at least one of the operating parameter values of the first power-domain; a circuit profiler configured to derive a total power consumption profile of the circuit based on the circuit's response to the swept operating parameter value; wherein the circuit controller sets the operating parameter values for the first and second power-domains based on the total power consumption profile of the circuit.

A double frequency-shift keying modulating device includes a modulation module. The modulation module receives an oscillating signal and a digital signal, and generates a modulation output signal that has a first frequency. The first frequency is associated with a frequency of the oscillating signal and varies periodically at a second frequency. The second frequency is associated with the digital signal and the frequency of the oscillating signal.

A flow battery includes a positive electrode, a positive electrode electrolyte, a negative electrode, a negative electrode electrolyte, and a polymer electrolyte membrane interposed between the positive electrode and the negative electrode. The positive electrode electrolyte includes water and a first redox couple. The first redox couple includes a first organic compound which includes a first moiety in conjugation with a second moiety. The first organic compound is reduced during discharge while during charging the reduction product of the first organic compound is oxidized to the first organic compound. The negative electrode electrolyte includes water and a second redox couple. The second couple includes a second organic compound including a first moiety in conjugation with a second moiety. The reduction product of the second organic compound is oxidized to the second organic compound during discharge.

A method for mixing short staple and down cluster by a dry processing utilizes an air tool to blow the short staple over, so that the scattered short staple is mixed in the down cluster. Stirring blades are further applied for stirring. Chemical agents are needless, no pollution is generated, and processing time is preferably reduced since the mixture does not have to be soaked in the chemical agent. Both the processing time and the manufacturing cost are decreased. Preferably, a proportion of the short staple to the down cluster is adjustable for different needs and divergent warmth retaining effects.

Device for mechanically splitting finite textile fiber bundles, comprising n individual fibers (n≧2) in fiber bundles having less than n individual fibers and/or individual fibers, characterized in that in a milling chamber that is closed off from the outside and that has one or more dead spaces of at least 10% of the milling chamber volume and in which one or more rotating striking elements operate in a non-cutting manner and so as to reduce load peaks and at a rotational speed that can be adapted to the material but that is at least 200 r.p.m., the material is adjustably input in different amounts in batches, treated for an adjustable duration, and then discharged again from the milling chamber.

A hold down assembly for an electronic unit includes a locking washer having a cone at a front end thereof. The locking washer has a tang provided in the cone and extending forward from the cone. The cone is configured to receive a mounting hook of the electronic unit with a first side of the tang bearing against the mounting hook to lock the position of the locking washer relative to the mounting hook. An actuator knob is rotatably coupled to the locking washer. The actuator knob is configured to be tightened to a threaded shaft to tighten the hold down assembly to the electronic unit and drive the locking washer toward the mounting hook.

In accordance with embodiments of the present disclosure, systems and methods for sensing and communicating sensed downhole parameters using a hybrid micro-structured fiber optic cable are provided. The micro-structured fiber optic cable may be used to communicate and/or amplify sensor signals indicative of the sensed downhole parameters. These sensed downhole parameters may include one or more of a downhole temperature, pressure, magnetic field, electromagnetic energy, radioactivity, telemetry signal, or some other downhole measurement. The micro-structured fiber optic cable may include opto-electronic circuitry built into the internal structure of the cable for modulating the optical signal based on the sensed parameters. The opto-electronic circuitry may include diodes, triodes, and other components that are communicatively coupled to external sensors used to measure downhole parameters. The opto-electronic circuitry may include an internal sensor in the form of a functional material disposed within the micro-structured fiber optic cable for measuring downhole parameters.

A wireless access control system may include a remote access wireless communications device and a lock assembly to be mounted on a door. The lock assembly may include a lock, a door position sensor, interior and exterior directional antennas, lock wireless communications circuitry, a touch sensor, and a lock controller. The lock controller may be configured to unlock the lock based upon the touch sensor, determine when the door is closed after being opened based upon the door position sensor, determine whether the remote access wireless device is in an interior or an exterior based upon the directional antennas, switch the lock to the locked position when the door is closed and when the remote access wireless device is in the interior, and not switch the lock to the locked position when the door is closed and when the remote access wireless device is in the exterior.

A wireless access control system may include a remote access wireless communications device and a lock assembly to be mounted on a door. The lock assembly may include a lock, a door position sensor, interior and exterior directional antennas, lock wireless communications circuitry, and a lock controller. The lock controller determine whether the lock is manually unlocked, determine when the door is closed after being opened based upon the door position sensor, and determine whether the remote access wireless device is in an interior or an exterior based upon the directional antennas. The lock controller may also switch the lock to the locked position when the door is closed and when the remote access wireless device is in the exterior, and not switch the lock to the locked position when the door is closed and when the remote access wireless device is in the interior.

The present invention relates to a combustion device 100 for burning refractory hazardous gases and a burning method for the combustion device. More particularly, the combustion device 110 for burning refractory hazardous gases, which is provided in a scrubber system 1 for burning waste gases, the combustion device 110 includes: a first porous body 141; a second porous body 142; and an igniter for forming a flame surface 143 at the interior of the combustion device 110, wherein the flame surface 143 formed by the igniter is located between the first porous body 141 and the second porous body 142, and so as to form the flame surface 143, at least one of the first porous body 141 and the second porous body 142 is moved to conduct excess enthalpy combustion.

The present invention comprises an assy PH base at the bottom, a gas combination valve, a reducing bushing unit, a PH perforated cylinder, a tubing unit along with the pilot assembly, PH pan head, a gas combination control assembly, a gas liter unit, a burner assembly and an assy PH emitter grid assembly. A reflector is mounted at the top of the assy PH emitter grid assembly. The present invention provides an automatic ignition system along with ON/OFF switch and the device also has an inbuilt transformer which provides the safety to the user(s). Hence, the present invention is very easy to operate and user friendly.

Embodiments of the inventive concept provide a double-sealed high-temperature resistant DC ignitor for use with a wood pellet burner assembly. The DC ignitor includes a non-heating element portion. The non-heating element portion is connected to at least one of a battery or an AC to DC electrical transformer attached to the wood pellet burner assembly. A heating element is connected to the non-heating element portion, and extends by at least one inch into a combustion region of the wood pellet burner assembly. The heating element portion is configured to be heated by power received from the battery or the AC to DC electrical transformer. The DC ignitor provides safe, reliable, and fast combustion of wood pellets that congregate in a combustion region of the wood pellet burner assembly.

The invention relates to a dog harness equipped with a covering cover comprising a blanketing saddle part covered by a covering cover, within that a middle portion hollow on one side and domed on the other side, and two side portions, on which side portions a chest strap is attached to trace straps, connecting the two side portions at the height of the trace straps, furthermore a back strap crossing the trace straps is attached directly to the covering cover in the continuation of a belly strap, wherein the covering cover (8) consists of at least two pieces, covering sheet-A (9) and covering sheet-B (10), connected to each other in a connection strip portion (11), furthermore at least two through openings (14) are made in the covering cover (8).

A bitless bridle with double cross under reinstraps for riding, driving, and training horses and similar animals that achieves improved control, comfort, and communication with the animal. The bridle is composed of a solid crownpiece that bifurcates, after a brow band attachment, into a cheek strap and an elongated reinstrap. The cheek strap connects to two nosebands which have solid rings attached to each end. The elongated reinstraps cross under the horse's jaw and pass through the first set of rings then cross under the jaw a second time and pass through the second set of rings to continue back to the rider's hands. Pulling on a single reinstrap applies pressure to the horse's nose and poll causing it to turn in the direction pulled. Pulling on both reinstraps cinches the noseband in place, causing the horse to slow down or stop.

A head covering that protects a dog or other animal against the intrusion of harmful things or elements such as insects, foreign matter, and weed seeds, which can enter the animal's ears, eyes, or nose and cause discomfort or damage.

A data readout device (114) for reading out data from at least one data carrier (112) having data modules (116) located at least two different depths within the at least one data carrier (112) is disclosed. The data readout device (114) comprises: —at least one illumination source (122) for directing at least one light beam (124) onto the data carrier (112); -at least one detector (130) adapted for detecting at least one modified light beam modified by at least one of the data modules (116), the detector (130) having at least one optical sensor (132), wherein the optical sensor (132)has at least one sensor region (134), wherein the optical sensor (132)is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor region (134)by the modified light beam, wherein the sensor signal, given the same total power of the illumination,is dependent on a beam cross-section of the modified light beam in the sensor region (134); and -at least one evaluation device (136) adapted for evaluating the at least one sensor signal and for deriving data stored in the at least one data carrier (112) from the sensor signal. Further, a data storage system (110), a method for reading out data from at least one data carrier (112) and a use of an optical sensor (132) for reading out data are disclosed.

In an embodiment, a side door for a vehicle can comprise: a structure comprising a plastic inner shell comprising a fiber strip, and a plastic outer shell comprising an outer shell support beam positioned across a width of the outer shell. The outer shell support beam can comprise a fiber strip with ≧50 wt. % fibers oriented at an angle of less than or equal to ±45° to a main axis. In an embodiment, a method for making the side door for a vehicle can comprise: flow molding a fiber-reinforced polymer over a fiber strip to form a plastic inner shell; flow molding a fiber-reinforced polymer over a fiber strip deposited to form a plastic outer shell, wherein the outer shell comprises an outer shell support beam positioned across a width of the outer shell; and joining the inner shell and the outer shell together to form a composite structure.

The invention relates to a control device for carrying out an operating method for an electric window lifter for moving a rear pane (3) in a motor vehicle, in which the rear pane (3) is moved in a lowering direction (−z) along an approximately s-shaped path of movement. In the case of trapping, the movement of the rear pane (3) in the lowering direction (−z) is stopped and the rear pane (3) is moved in the lifting direction (+z).

A tilt-up door for a building having an opening, a pair of substantially vertically juxtaposed members, cam surfaces extending laterally from the vertical members at the upper portion and a door sized to span the opening. The door can be pivotally coupled to carriages arranged for vertical movement along the vertical members and can have cam followers extending laterally from the upper portion of the door to contact the cam surfaces. An actuator or actuators can be connected to the carriages to move the carriages along the vertical members. When the actuator or actuators are operated to move the carriages vertically along the members the cam followers can move along the cam surfaces to tilt the door to a horizontal position as the door is moved vertically upward into an open raised position.

The door is made with a triple-lite insulated glass unit and a frame of aluminum rails. The insulated glass unit has a stepped cross-section with the outer glass lite being larger than the inner glass lites. An opaque non-conductive ceramic frit forms a rectangularly shaped border to mask the mounting of the inner glass lite(s). An electrically conductive coating on the outer glass lite is insulated from the aluminum rails of the frame by a plastic strip disposed between the outer glass lite and each rail.

A vehicle door structure 1 comprises a slide door panel 6 for opening and closing a front region of a rear door opening in a vehicle body 2, a swing door panel 7 for opening and closing a rear region of the rear door opening in cooperation with the slide door panel 6, an opening degree detection mechanism 30 for presuming a locked state on the slide door panel 6 and swing door panel 7 by detecting the opening degree of the slide door panel 6, and a handle idling mechanism 31, provided with the swing door panel 7, for nullifying an operation of a swing door handle 10 when the swing door panel 7 is fully closed.

A heat recovery steam generator access door kit comprising a door assembly comprising an insulation box; a door face attached to the insulation box that is larger in width and length than the insulation box and projects around the perimeter of the insulation box; at least one cross beam; a frame assembly comprising a frame and at least one swing bolt assembly attached to the frame.

A door for attachment on the front of a machining tank of an electric discharge machine includes a door frame and first and second lifting doors that move up and down with respect to the door frame. When the first lifting door is lifted, pulleys attached on the first lifting door also move up, causing a belt wound around the pulleys and fixed to the door frame via a first belt-attaching member to rotate. As a result, the second lifting door, fixed to the belt via a second belt-attaching member, moves up with respect to the first lifting door.

A novel electric door opener for a garage, or equivalent structure, which uses a rail fixed at one end to a drive assembly and the other end to a mounting support, in which the drive assembly is mounted on the wall over the garage doorway with a pivotable mount, rather than the uniform practice wherein the drive assembly is suspended from the garage ceiling, thus significantly enhancing safety during installation and over the lifetime of the unit. In addition, the means whereby prior art rail type garage door openers, including their drive assemblies and overall mounting methods, are redesigned to reduce the invention to practice. The simplification of mounting hardware and process with this design makes it much easier and safer to install, remove, and replace an assembled rail type garage door opener, using only three removable pins.

In a sliding door with a door panel supported by a carriage disposed on a guide rail so as to foe movable between spaced door stops, the door stops include shock absorbers and the carriage has contact elements for contact with the shock absorbers. The shock absorbers further include return springs which are compressed by the engagement of the sliding door panel, the sliding door panel being lockable in its end positions by a locking arrangement for retaining it in an end position.

A door frame and a frame body including a glass opposing portion, a design portion positioned on one side of the glass opposing portion on the vehicle exterior side, a tubular portion positioned on the other side of the glass opposing portion on the vehicle interior side, and a glass guide portion having a concave cross section surrounding the edge of the door glass. All portions are collectively structured as a single member who is continuous and uniform from the upper sash portion to the side sash portion. A corner portion is created by a bending process at a boundary between the upper sash portion and the side sash portion. The width of the design portion of the frame varies in at least one area along the length thereof and the design portion of the frame body is covered with an exterior member.

A window covering assembly, including a generally convex panel defining a perimeter. The panel further includes structural outer and inner layers and an impact absorbing layer disposed between the structural outer layer and the structural inner layer. A flange portion is connected to the generally convex panel and has a plurality of apertures formed therethrough. A plurality of fasteners are extendable through the apertures for engaging a structure.