Abstract: Various methods of fixedly connecting together carbon-carbon composite structures are disclosed herein along with the ultimately connected structural assemblies. These assemblies for the most part consist only of the carbon-carbon composite structures and a char forming material such as pitch which has been charred and do not require fastening means made of any other type of material such as metal bolts or the like. As a result, each of these assemblies, in its entirety, is especially suitable for use in high temperature environments including specifically hyperthermal environments.

Abstract: A refrigerated storage enclosure has its wall, floor and roof panels made of polyurethane initially joined together by skewers. The inside surfaces of the panels are covered with a layer of fiberglass reinforced resin to permanently join the panels as is the entire outside thereby forming a monolithic structure. A door is provided in an opening in one of the walls and a skid is attached to the underside of the floor panel with fiberglass reinforced resin.

Abstract: An aluminum part joint structure including at least two casted joint pieces to be assembled together, each of the pieces being formed with joint surfaces. Adhesive agent layer is provided between the joint surfaces. The adhesive agent comprises 45 to 54 wt % of epoxy resin, 30 to 40 wt % of aluminum particles each having diameter of 0.1 to 0.2 mm, and 4 to 6 wt % of guanidine derivative.

Abstract: Bushings are embedded within a production drill plate to replicate the hole pattern of a master hole pattern plate. The exterior surface of each bushing is threaded, as is the wall of a receiving hole in the production drill plate. The pitch of the bushing and hole are the same but the pitch diameters are somewhat different so that the threads of the bushing are loosely engaged within the threads of the hole. When the bushing is potted in a properly aligned position, the containment potting material becomes compressed in the thread engagement area thereby resisting axial displacement of the bushing.

Abstract: There is disclosed a composite car door panel and method of making same. The panel includes a pair of panel sections adhesively adhered to each other by pressure sensitive adhesive. Headed fasteners used to attach the panel to a car door frame are able to be oriented relative to holes in the car door frame because the fasteners are movable relative to the panel due to masking of the fasteners from the adhesive.

Abstract: In a method of manufacturing trim panels which are made of several trim components or trim materials, such as door trim panels of automobiles, the trim panel is essentially finished in a single work operation in one work station. A vinyl cover film (12) is formed, trim inserts (10, 11) are laminated onto the cover film with the aid of a nesting die (8a, 8b), soft touch inserts (26) are laminated underneath the cover film and the so produced laminate is further laminated onto a rigid substrate (2 or 2'). The substrate may be a prefabricated substrate (2), or may be a rigid foam substrate (2') back-foamed onto the formed vinyl film (12). An apparatus for carrying out the method is essentially a forming station with an upper form or mold (1) and a lower form or mold (15). The lower mold (15) includes nest dies (8a, 8b) for securely holding and then pressure laminating the trim inserts (10, 11), whereby a high placement precision of the inserts (10, 11) is achieved.

Abstract: An article including at least one segment which is capable of being elastically shirred along at least a portion of its length subsequent to manufacture of the article, preferably by mechanical manipulation of a predetermined portion of the elastically shirrable segment. The predetermined mechanically manipulatable portion of the elastically shirrable segment preferably comprises an elastomeric monomer which is maintained in a prestretched and tensioned condition in the desired direction of shirring. The opposed ends of the elastically shirrable segment in the article are interconnected to one another through the prestretched and tensioned elastomeric member.

Abstract: A method for conditioning a composite structure to have an increased sparking current threshold. The method calls for the treatment of the joint in a composite structure by injected currents for predetermined periods of time at a sequence of voltages which are initially less than the present sparking voltage threshold of the structure. The voltage levels can be increased during the treatment to be greater than the sparking voltage threshold of the original structure. If the composite structure contains fasteners, the sparking voltage threshold can be conveniently increased by injecting the current from a timed voltage source through a variety of pairs of the fasteners.

Abstract: A golf club head is formed to have multiple laminations above a sole plate defining a keel; a bolt is connected to the sole plate at the keel and holds the laminations positively clamped together; and the keel forwardmost surface may be sloped to transfer ground impact force upwardly to the laminations via the sole plate, and also via the bolt. A vertical bore is formed in the head to receive the bolt, and the bolt is inserted into the recess and tightened to the sole plate above the keel, to compress the laminations. Synthetic resin also bonds the bolt to the compressed laminations, along the bolt length. The club head and bolt head are ground to provide a smooth top surface.

Abstract: Laterally spaced apart longitudinal frame mebmers are advanced to a frame assembly station by infeed drive units. Transverse frame members are advanced to the frame assembly table by laterally disposed sweep platforms and by diverter tables disposed above the frame assembly station. Automatic nailing assemblies on opposite lateral sides of the assembly table drive nails into the longitudinal frame members and transverse members disposed therebetween. Positioning of the transverse members is effected by computer controlled, reciprocative, joist-engaging stops downstream of the frame assembly table. Laterally spaced apart guide rails carry the frame workpiece to a glue-applying station equipped with a laterally movable nozzle and a pair of laterally spaced apart stationary nozzles. A frame indexer disposed below the glue-applying station advances and positions the workpiece under a sheet-placing station.

Abstract: A device and method to prevent delamination at load-bearing apertures in structural composite substrates is disclosed. The device is a composite reinforcing grommet having a hollow, generally tubular member of braided filaments impregnated with polymer. The member may be radially deformed for insertion into an aperture in a structural composite substrate and is then capable of being radially expanded to form flanges to secure the structural composite between the flanges. A method of reinforcing a substrate having an aperture therethrough including the step of cobonding a composite reinforcing grommet to a structural composite substrate is also disclosed.

Abstract: A foam backed carpet with an adhesive release surface and a method of installing the carpet is disclosed wherein the carpet has textile fibers secured to a primary backing. A secondary backing formed from a plastisol composition containing polymers or copolymers of vinyl compounds engages the primary backing and an oleophobic pressure sensitive adhesive layer is included on the secondary backing for releasably securing the carpet to an underlying floor. A release cover releasably secured to the layer of pressure sensitive adhesive layer protects and maintains the tackiness of the adhesive layer before laying of the floor covering on an underlying floor.

Abstract: A carpet and pad installation avoids the need for stretching and tackless strips by utilizing a pad with pressure-sensitive adhesive on one surface. The pad is first laid on the floor surface and trimmed as required, with either the adhesive surface down to adhere to the floor, or with the adhesive surface up and another adhesive applied to the floor prior to laying the pad. A removable release film may cover the pressure-sensitive adhesive on the pad, so that with the adhesive side up the carpet may be unrolled over the release film and then cut and seamed as required. The seamed carpet is folded back and the release film is removed from the exposed area of the carpet cushion, then the carpet is pressed down onto the exposed area of adhesive. Then another portion of the carpet is folded back, the release film is removed from that area, and that portion of the carpet is pressed onto the exposed pressure-sensitive adhesive of the carpet cushion.

Abstract: Fiber reinforced resin composites formed by elements joined by a high shear strength, high fracture toughness adhesive are disclosed. The elements are created in easily produceable cross-sectional shapes such as flat, C-shaped, Z-shaped or T-shaped. When joined, the elements form delamination resistant fiber reinforced resin composites having more complex shapes. The strength of the junctions between a pair of elements, such as a panel and its associated reinforcing members, can be enhanced by fasteners, such as rivets, if desired.

Abstract: A low labor-intensive method and construction for joining first and second planar sheets of plastic at respective edges thereof at right angles to one another without the use of adhesives or solvents. A first lip is formed extending along the edge to be joined of the first planar sheet at right angles thereto. A second lip is formed extending along the edge to be joined of the first planar sheet at right angles thereto. A plurality of guide pins extending outward from the first lip along the length thereof and perpendicular thereto. A plurality of guide pin receiving blocks are formed disposed between the second lip and the second sheet along the length of the edge thereof and disposed to be opposite one of the guide pins when the first and second edges are abutted with the first lip abutting the second sheet and with the inner and outer edges of the second lip parallel to the outer edge of the first lip.

Abstract: Methods and fasteners are provided for joining thermoplastic articles and for connecting a single thermoplastic article to a non-thermoplastic substrate. A first thermoplastic article and a second thermoplastic article can be placed against each other, and then localized adjacent portions of the articles are heated preferably with an ultrasonic heating device. A sharpened end of a thermoplastic fastener is driven through the heated areas of the first thermoplastic article and the second thermoplastic article. Upon cooling of the heated areas of the first thermoplastic article and the second thermoplastic article, those articles are looked to the thermoplastic fastener by fusion of the contacting surfaces of the articles and fastener.

Abstract: A shield which is substantially opaque to electro-magnetic radiation is formed by connecting together webs or strips of a sheet of metallized flexible shielding material, the pieces being placed together in overlapping or abutting relation and secured by a fluid-permeable shielding material. The shielding portions are joined together by an electrically conductive glue.

Abstract: An improvement in a process for the press fit assembly of two parts having an interference fit, wherein one of the two parts is provided with a grooved surface. A pre-applied dry to-the-touch sealant, adapted to be cured upon assembly of the two parts, is applied on the grooves prior to assembly.

Abstract: Disclosed is a system for covering installed ceiling tiles without removal of the tiles from the ceiling. The system includes a novel facing for covering an installed ceiling tile, a method of applying the facing to the face of an installed tile and apparatus for carrying out the method. The novel facing includes a panel of at least semi-rigid material having a decorative surface, an underside surface and a flexible border which extends at an angle from and about the periphery of the decorative surface. The panel's underside surface is prefit to cover the face of an installed ceiling tile and is provided with selectively located pins which project from the underside surface of the facing. The disclosed method includes providing the aforementioned decorative facing and marking the face of the tile to provide selectively located marks on the face of the tile which are capable of aligning with the facing's selectively located pins to center the facing on the tile.

Abstract: A friction element with a riveted friction lining, especially for highly stressed drum brakes, in which the mating surface (5) of the friction lining (2) to the lining carrier (1) and/or the opposing surface (6) of the lining carrier (1) to the friction layer (2) is provided with a multiplicity of particles (7) which are harder than the material of the opposing surface (6) of the lining carrier (1).

Abstract: An insulating material plate (4) is fixed to the surface (6) of a structure (8) by a dowel (2) with a disk-like head (14), countersunk in a countersunk hole (24) of plate (4) and carrying on its outer surface an insulating material washer (10). Washer (10) prevents the thin plaster layer (22) from separating at the location of dowel head (14), due to the thermal expansions and differing thermal conduction between the dowel material and the mortar material. The insulating material washer (10), which is e.g. made from the same material as the insulating plate, also makes it possible to level the outer surface (20) of the insulating material plate by abrasion, prior to the application of the mortar layer, so that a smaller thickness of the latter can be used.

Abstract: In a focus detection of a camera a pair of imaging lens elements are formed of a transparent plastic material as a part of a plastic plate. A supporting structure for support of the lens elements is provided with a pair of bosses projecting from a base body to loosely fit in a pair of boss receiving holes formed on the plastic plate. An adhesive is applied to the top ends of the bosses and one of the plate surfaces of the plastic plate which does not face the base body. As the plastic plate is fixed to the base body only by the adhesive, freedom for the plastic plate to expand and contract due to temperature changes is improved and residual deformation of the plastic plate which affects the distance between the lens elements is minimized.

Abstract: A method for electrically interconnecting a laminated printed circuit structure comprises the steps of inserting a solder-plated connecting conductor pin into a through hole bored through overlying interconnecting sections of the respective printed circuit sheets, applying pressure to both ends of the pin to compress and thicken the pin, and passing an electric current through the pin to solder the pin and the respective interconnecting sections to one another at the inner peripheral surface of the through hole.

Abstract: A fixture (50) is used to precisely locate the horizontal (20, 30) and vertical (10) guideways on the bed (40) of a grinding machine. After locating the guideways (10, 20, 30), a bonding material (70) is placed in the spaces (1, 2, 3) between the guideways (10, 20, 30) and grinding machine bed (40). After the fixture (50) is removed, bolts (80) are tightened to apply a compressive force on the bonding material (70) located between the vertical guideway (10) and the machine tool bed (40).

Abstract: A continuous roll of perforated plastic tabs for use in stapling roofing paper onto a roof or other building panel. Preferably the tabs are 11/4 inches by 11/4 inches square and 0.03 inches thick and made of styrene.

Abstract: A jointed watertight, airtight, elastomer-coated material is described. The material consists essentially of a first elastomer-coated fabric material and a second elastomer-coated fabric material, said second material being overlaid at an edge over an edge of the first material. The overlaid portion of each material is laminated to the other with a pressure-sensitive adhesive intercalated between the two materials. The laminated portion is further bound with a fastener which penetrates across the laminated portion in an up-and-down manner. Typical fasteners are thread, rivets, or bolts. The jointed material can be further bound by a tacky tape which is adhered on the bound portion of one material and the unbound portion of the other material, covering the joint between the edges of the two materials. The jointed waterproof, airtight, elastomer-coated fabric material is particularly useful for air-supported structures.

Abstract: A method of effecting practical, simple and economical production of ore-concentrating pads of numerous configurations and sizes. Nails are employed to secure extruded strips to a backing sheet and an underlying support, following which the strips are pivoted about the nails and progressively secured to the backing sheet. The nails are then removed and the resulting pad is vacuum-applied to a concave bowl and adhesively secured therein. The shapes and positions of the strips are such that there is very close sealing engagement beween adjacent strips, after the pad is made into bowl shape, yet there is great elasticity permitting practical vacuum application to the bowl. In one embodiment, the strip-formed pad is used as a mold over which plaster of paris is molded, and the plaster of paris is used as a guide for a tracing machine adapted to make a mold for the mass-manufacture of large numbers of concentrating pads.

Abstract: A carpet and pad installation avoids the need for stretching and tackless strips by utilizing a pad with pressure-sensitive adhesive on its upper and lower surfaces. The pad is first laid on the floor surface and trimmed as required, with its lower adhesive surface adhering to the floor. Its upper surface has a removable release film covering the pressure-sensitive adhesive, permitting the carpet to be unrolled over the release film and then cut and seamed as required. The seamed carpet is folded back and the release film is removed from the exposed area of the carpet cushion, then the carpet is pressed down onto the exposed area of adhesive. Then another portion of the carpet is folded back, the release film is removed from that area, and that portion of the carpet is pressed onto the exposed pressure-sensitive adhesive of the carpet cushion.

Abstract: A process for preserving art works which otherwise would be lost after a normal wear period. The process includes removing of art work from a T-shirt or similar piece of wearing apparel and laminating the same with a curable transparent resin on a backing to form a permanent display for the art work.

Abstract: The method of sealing and bonding faying surfaces of laminated graphite reinforced epoxy plates, including the steps of mixing an uncured epoxy resin with a filler of carbon microspheres, impregnating a layer of spaced glass fibers or cloth with the mixture, positioning the impregnated fibers between the faying surfaces of overlapping plates, fastening the plates together, and curing the resin. When it is necessary to repair the seal, the fasteners are removed and the plates are separated with a wedge at the seal bondline without damaging the plate laminations.

Abstract: The present invention relates to a protective and decorative trim strip structure for attachment to a vehicle body. The trim strip structure includes an elongate molding having an elongate, double-faced adhesive tape strip extending substantially the entire length of the molding. One face of the tape strip is secured to the molding, while the opposite face has a detachable backing strip applied thereto. At least one stud member is secured to the molding and includes one end provided with a first tapered threaded section extending through the backing strip and the tape and into the molding, and an opposite end extending outwardly from the molding and adapted to receive a suitable fastening device.

Abstract: A lightweight ceramic refractory covering for water cooled members forming the structural portion of a metalliurgical furnace which is thermally insulating and resists wet scale attack, corrosion and vibrational stresses. The covering comprise an inner layer of thermal insulating ceramic refractory fiber blanket, an open weave ceramic cloth about the blanket, an inner layer of veneering mortar, compressed rings or strips of ceramic fiber material, and a hot face layer of veneering coating.

Abstract: To mount rotatably supporting members such as a rotary shaft to an arm body of an industrial robot arm, the former and the latter are solidly secured to each other by fastening members such as rivets after a bonding agent is applied to spaces formed between the arm body and the rotatably supporting members, whereby necessity for the stage of assembling work by the welding is eliminated, shearing forces are supported by the bonding agent and tensile forces are supported by the fastening members, so that the robot arm being high in precision and mechanical strength can be obtained.

Abstract: In order to prevent uncontrolled running, spreading and splattering by the adhesive contained in a surface-fastened frangible adhesive capsule as the capsule is smashed when two objects are brought together in a face-to-face manner while the capsule is disposed between them and has been preliminarily fastened on an interfacial surface of one of them, the capsule is ringed by a flacid plume of barrier material such as crepe paper, having a substantial thickness when unconfined, but which is subject to being compressed to insubstantial thickness. The barrier ring may be surface fastened to either of the interfacial surfaces and may be separate from or unitary with the capsule hanger.

Abstract: A structural component of fiber reinforced synthetic resin material is strengthened by a multitude of metal or synthetic material pins extending approximately perpendicularly through the layers of fibers and resin. The pins are bonded to the fibers and resin as a result of curing the resin after the pins have been driven into the resin fiber layers in the form of so-called prepregs. The pins are bent over at their end or at both ends to further improve the strength of the structural component especially with regard to preventing peeling of one layer away from an adjacent layer.

Abstract: An article is attached to a wall by mounting the article on at least one and preferably two or more holders which are in turn screwed to the wall. Each holder has a self-adhesive layer at its end face adjacent the wall and at least one screw hole for fixing it to the wall. The arrangement is such that the holders can be provisionally mounted on the article and then pressed against the wall in the desired position. The self-adhesive layers then temporarily secure the holders to the wall so that the article can be removed leaving the holders in the desired position on the wall. The screw holes in the holders are then used as a drilling jig for drilling the attachment holes in the wall. Screws are then inserted into the attachment holes, if necessary using wall plugs, and the article is then remounted on the holders. Provision is made for finally securing the article to the holders, for example by the use of spring loaded pins.

Abstract: A pierced fabric carbon-carbon structure is selectively loaded with a particulate material to provide resistance to erosion.

Abstract: By providing a fully equipped, prefabricated, self-contained building, completely constructed with all exterior and interior walls and roof, but having no floor, floor members or floor-supporting members, a unique, prefabricated, preconstructed, self-contained building is achieved, ready for installation on a floor forming foundation to complete the building construction. In the preferred embodiment, the prefabricated, preconstructed building incorporates an interlocking tenon and mortise construction at each interconnecting corner of intersecting wall members.

Abstract: A method and apparatus for automated frame assembly, particularly advantageous for use in forming furniture drawers, includes a first bin for storing drawer back portions, situated generally in an elevated position with respect to the rest of the machine, and a pair of opposed bins for storing drawer side portions in serially arranged fashion. A pushing mechanism feeds the drawer back portions one at a time into engagement with one of the serially aligned drawer side portions of each bin. The pushing mechanism, in the same motion, pushes the engaged back and side portions into engagement with a drawer front portion where the side portions are fastened to the drawer front and back portions. Glue is applied to the drawer back portions before they engage the drawer side portions and glue is applied to the drawer side portions before they engage the drawer front portion.

Abstract: A method of making a reinforced collapsible hose construction and is provided wherein such hose construction comprises a tubular plastic inner component and a reinforcing tubular fabric cover component wherein the inner component comprises at least one substantially rectangular thermoplastic layer and the cover component comprises at least one substantially rectangular fabric layer with the layers being arranged to comprise the tubular components and being fixed together by bonded portions of the thermoplastic layer to define the hose construction.

Abstract: A method of effecting practical, simple and economical production of ore-concentrating pads of numerous configurations and sizes. Nails are employed to secure extruded strips to a backing sheet and an underlying support, following which the strips are pivoted about the nails and progressively secured to the backing sheet. The nails are then removed and the resulting pad is vacuum-applied to a concave bowl and adhesively secured therein. The shapes and positions of the strips are such that there is very close sealing engagement between adjacent strips, after the pad is made into bowl shape, yet there is great elasticity permitting practical vacuum application to the bowl. In one embodiment, the strip-formed pad is used as a mold over which plaster of paris is molded, and the plaster of paris is used as a guide for a tracing machine adapted to make a mold for the mass-manufacture of large numbers of concentrating pads.

Abstract: A method of fabricating an insulating joint between a pair of end abutting rail sections of a railroad track includes the suspension of a pair of opposed fishplates at the rail joint at spaced distances outwardly of the rail sides, and simultaneously heating the rail sections and the fishplates to a predetermined temperature for activating a heat-activatable adhesive provided in fabric cuffs which are disposed between the fish surfaces and the fishplates. The fishplates are shifted along guide rods of their support assemblies inwardly toward one another into place against opposed fish surfaces of the rail sections, and are thereafter bolted in place. A device for fabricating the joint includes a box-like hood on which heaters are mounted, or a shear assembly supporting the heaters and being clamped onto the rail head. The heaters may be adjusted to accommodate various rail profiles.

Abstract: Three elongated strips (called a web and two legs) are assembled into an elongated channel by a machine which includes a supply table. A stack of webs on the supply table feed downward by gravity. Legs are fed inwardly under the webs by pusher arms. The web and two legs are fed from the back to the front of the machine by a three-fingered lug on a continuous chain operated under the web magazine. Glue is applied to the top of the legs, then the web and two legs are pressed together over a spacer block, where they are stapled together to hold them in place until the glue sets.

Abstract: Plaster core laminated wallboard is repaired or finished with a repair article comprising a substantially rigid steel plate having integral teeth forcibly insertable into the wallboard to hold the article in place over the damaged area, and a flexible cover portion formed of wallboard facing paper overlapping the edges of the plate and bonded thereto. The thickness of the paper cover portion may be tapered toward the outer edges thereof to form a smooth transition from the cover portion to the existing wallboard surface. Holes in the plate near the edges or corners thereof provide for increased contact of wallboard repair compound with the paper cover portion. The article may be formed in different configurations for covering plumbing openings, exterior corners and elongated stress cracks or seams.The wallboard is repaired by cutting a recess into and through the paper surface lamination of said wallboard to the outline of the plate portion of the repair article.

Abstract: Device for the fastening of buttons (12) to a piece of garment (56), exhibiting a first portion provided with a number of button holes, and a second portion, to which the buttons shall be fastened without sewing with their projections. A holding means (5) is arranged to hold the buttons (12) in a position in between them corresponding to the position in between the buttonholes and means for holding the first portion of the garment. A feeding device (3, 4) for the buttons (12) extends to the mentioned holding means (5). A second holding means (6) with means (50) is arranged to hold the second portion of the piece of garment, and a processing means (52) for the fastening of the projections. The second holding means (6) is fixed and has its device for holding the second portion of the piece of garment substantially pointing in upwards direction.

Abstract: A method of making an artistic picture or design with strands of yarn. A flat yieldable substrate has the outline of various elements of a picture or design on a painted background and which may have the colored yarn to be used indicated within each outlined portion. The steps of the method includes cutting a length of yarn of the selected color, doubling the yarn, and piercing the doubled end with a straight pin which is pushed into the substrate at a selected point on design. In one technique, the doubled yarn is loosely twisted and a pin inserted through the two strands about one inch from the point of beginning. The length between the pins is formed into an upstanding loop by pushing the pin into the substrate immediately adjacent the first pin. This process is repeated until the entire area is covered with upstanding loops of yarn thereby forming an interesting texture over the area. The remainder of the areas are then similarly covered with appropriate colors of yarn.

Abstract: The process for the gluing together of free form wood shapes in which individually pre-cut pieces are drawn into position, and correct, even, gluing pressure is applied by tension taken on a cable which has been routed internally through passages pre-drilled in component members of the finished shape and then connected at each end to take-up mechanisms which rest against the surface of the finished product.

Abstract: Described is an adhesively securable fastener comprising a body having an opening; an adhesive positioned within said body and registering with the opening of the chamber, a plunger means for applying pressure to said adhesive such as against an anvil means thereby adhesively securing the fastener to a substrate. Also described is a method for securing a substrate using the fastener described herein.

Abstract: A staple-supporting strip for use with staples when binding documents together which affords removal and retention of the staples. The staple-supporting strip comprises a narrow elongate strip of tough polymeric material between 0.1 and 0.15 mm thick. The strip may be colored or printed with a window identifying the area for reception of the staples. A narrow coating of a low-tack pressure-sensitive adhesive facilitates positioning of the strip on the uppermost sheet of the documents to be stapled together.

Abstract: A fay surface sealing tool for applying sealant between wing skin and spar chord joints prior to fastener installation. The fay surface sealing tool includes a plurality of plurality of spaced apartures for dispensing the sealant in bead form between each row of fastener holes and on each edge margin subsequent to joint opening.