Abstract: A process for preparing relatively thick composite laminate structures wherein thin layers of prepreg tapes are assembled, these thin layers are cut into strips that are partially cured, stacked into the desired thickness with uncured prepreg disposed between each layer of strips and the thus formed laminate finally cured and thereafter machined to the desired final dimensions.

Abstract: A three-piece tote bag and method of construction is described. The bag includes two end panels which are assembled to a body panel with zippers. The periphery of the end panels are provided with zipper halves which engage cooperating zipper halves along the side edges of the body panel to form the bag. Each of the three panels are produced in a flat condition and contain stiffening means and insulative material between outer cover and inner liner sheets. The panels are sealed about their peripheral edges and the zipper halves are stitched to the panel edges.

Abstract: A contruction member, usable in exterior or interior walls, ceilings or floors, including: a stiff, planar, can-supporting panel or board; cylindrical or otherwise non-rectangular, parallel-axes cans having end covers fixed to the panel or board, these cans being preferably of metal but optionally of dense, strong plastic or glass, of the new or used type, having lengths that are less than twelve times their diameters; optional insulation inside the cans; large-mesh metal or plastic fencing, fixed to can ends; and porous, insulating, strength-providing adhesive material around portions of the can sidewalls, bonding and bracing the cans together into a bar, panel or block, part of this material being in layers within recesses of the can-end covers that are spaced from the panel or board.

Abstract: The present invention relates to the protecting against scratching and fouling of a data carrier which carries a relief impression readable optically by transmission. The data carrier in accordance with the invention is protected by a transparent protective layer with substantially smooth faces, which adheres to the peaks in the relief of the impression in such a way as to prevent the troughs in said relief from being filled up.

Abstract: Insulation board comprising a urethane foam core sandwiched between a thin flexible membrane and a thicker inflexible panel is made by dispensing foam forming materials onto a moving continuous sheet of the thin flexible membrane and depositing individual panel segments onto the foam as it expands. The manufacturing apparatus includes a conveyor press for transporting the flexible membrane past a foam dispensing device and means for consecutively depositing the individual panel segments onto the expanding foam. The panel depositing means comprise a suction apparatus for suspending the panel over the foam and a friction drive mechanism for simultaneously impelling a leading end of the panel against a trailing end of an immediately preceding panel to prevent the formation of gaps between consecutive panel segments. The resultant laminate is then passed through the conveyor press that acts as a forming and curing zone for the laminate which is thereafter cut to size at a cutting station.

Abstract: Flat plate absorber member includes a flat heat absorbing sheet of a thin metal foil such as copper, or a thin plastic film such as polyvinyl fluoride, bonded to a channeled substrate, and particularly to a plastic laminate such as a glass epoxy laminate. The improved absorber member provides an energy collecting efficiency which is much greater than that of a much more expensive conventional collector having a series of copper tubes soldered to a copper sheet. The absorber is preferably made by the method of taking a base sheet of fully cured glass epoxy laminate and overlying it with a precut, patterned intermediate layer of semi-cured glass epoxy which defines the depth of the side walls of the channels. The cover sheet of metal foil or plastic film is then placed over the semi-cured glass epoxy intermediate layer and heat and pressure are applied to bond the semi-cured glass epoxy to the cover sheet and to the previously cured base sheet.

Abstract: A dust control mat having a pile fabric upper surface and a bottom calendered rubber stock sheet which employs an anti-tear strip located perpendicular to the grain or calendered direction of the rubber stock sheet between the rubber sheet and a latex backing on the pile fabric. A novel method is employed to produce the mat in which the reinforcing tear strip is located in position prior to vulcanizing the rubber stock sheet in an autoclave.

Abstract: A plywood product utilizing a core panel produced from plywood strips salvaged from edge trim produced by conventional trimming operations during plywood production. The trim strips, having parallel side edges, are laid up side by side and edge glued to produce a flat core panel. Outer layers of veneer are glued at each side of the core panel to produce a resulting thick plywood structure suitable for building purposes. The method comprises the production of the strips, the composing of the strips into panels, and the final step of gluing veneers at each face of the core panel to produce a plywood product of greater thickness than most conventional plywood.

Abstract: Connection beams and lateral plates are made separately in advance of fabrication. Two or more connection beams are simultaneously placed in parallel on an intermittently movable belt conveyor and lateral plates are then supplied thereto while the connection beams are moving on the belt conveyor. Both are joined together by the use of adhesives or by heat-melting. The bond is then secured by applying pressure.

Abstract: Apparatus and method for laminating a liner to a box blank in which a shuttle arrangement is provided to alternately pick up and place liners and blanks in proper registration for lamination. Such apparatus and method includes a shuttle arrangement with a unique vacuum cup suspension system for picking up such liners and blanks and a glue spray station which applies the glue to the liner.

Abstract: A process for electrically interconnecting a group of integrated-circuit chips embedded in plastic is described. Multilayer conductors are plated in grooves photoformed in successively applied plastic layers and connected to the chip pads and to conductors on other layers through vias also photoformed in the plastic. Photoformation of wiring grooves and layer-interconnecting vias is accomplished by ultraviolet irradiation of photosensitized liquid polyester resin.

Abstract: A master sheet bears on its face permanent indicia identifying a doctor and a patient, and an extension sheet has provision for recording service performed by a doctor for a patient. This extension sheet is adhesively united to said master sheet below said permanent indicia, and when additional service is performed for a patient, another extension sheet is used to record said service and said other extension sheet is adhesively united to said master sheet directly over the first-mentioned sheet. As each service is recorded a copy is made and kept by the doctor, or some one else.

Abstract: A high temperature gasket structure particularly useful in automotive carburetors but useful in other applications in which the gasket body is formed from a special type of semirigid asbestos board having a minimal elastomeric binder content, and with the bolt hole areas densified in part by embedded steel washers in the gasket body to minimize carburetor flange flexing and maintain high torque retention under heat. The gasket structure is intended to serve as a heat insulator and as a partial sound and vibration dampener and can be formed, when required, with upstanding beads to further minimize flexing of the carburetor flange while maintaining a seal.