Abstract: The present invention relates to a process for making articles comprising an association, in a generally flat state, of a material having an entangled or interlaced texture, particularly a woven material or other fabric, the cut edges of which may per se unravel or undo or tend to unravel or undo, with a sheet of plastic material, such as polyvinylchloride (PVC), which is a macromolecular material lending itself to be cut and to present a clean edge . . . without any risk of unravelling or undoing.

Abstract: An apparatus comprising a sized and score marked laminar templet, the templet having an outer or upper layer of score marked and sized release paper over a contact adhesive layer and including a lower, lighter weight release paper forming the lower layer of the laminar sandwich. The process is a step-wise use of a laminar templet to achieve a matching registry between covering applied to a cover plate and the background wall covering and where the adhesive inner layer is transferred from the templet and to the piece of wall covering for match. Then the wall covering is adhered to the face of the cover plate to achieve a professional-like match easily and quickly.

Abstract: A woven article (1), such as a carpet for a vehicle compartment, is provided with a removable portion (7) to form an opening (8) when some optional component is to be passed therethrough. The opening is partly circumscribed by a plurality of first slits (2a to 2d) which are spaced from each other. At least one second slit (4a to 4d) is further formed outwardly or inwardly of the contour of the opening in an overlapping relationship with two neighboring first slits. Substantially all the warps (5) and wefts (6) extending across the opening intersects with at least one of the slits to provide an uninterrupted opening of desired shape.

Abstract: A reinforced veneer sheet and a method of manufacturing the reinforced veneer sheet are provided. On an imperfect veneer sheet, a plurality of closed cuts are formed in a row through the sheet across the veneer grain. Through these closed cuts, a length of cord is forced at its intermediate portions from one side of the sheet until they protrude from the other side. The cuts are formed repeatedly and the cord is also forced through the cuts repeatedly on a veneer sheet fed in one direction or cut off from a log turned on a veneer lathe.

Abstract: An improved anti-skid tread or grating (10) design is provided with gripping members or rosettes (30) having a plurality of upstanding individual lobes (36) which are configured in such a way and project high enough to provide an excellent gripping surface. The lobes (36) of the design are self-cleaning, and have non-continuous gripping edges at their crests (40) that accommodate a greater build up of ice or mud without clogging the grating (10).

Abstract: A heat reflecting wall-paper comprising a base of carrier material with a vapor deposited, but discontinuous surface metal layer thereon so as to be substantially non-electrically conductive and covered with a veneer layer and thereon a veneer protection layer.

Abstract: Thermoplastic rubber containing minor amounts of olefin polymer is directly extrusion-formed into reticulated film.

Abstract: Latch hooked articles are made with a foraminous web having an overlying web laminated thereto, the latter having selected areas depicted thereon marking the placing of strand material to be secured to the backing web and having lines of weakness therein to facilitate the insertion of a latch hook bearing strand material through the openings in the backing web for securement to the backing web.

Abstract: Method and apparatus for continuous manufacture of a laminate comprising a layer of a conductive polymer and at least one electrode. A tape electrode and a heat-softened conductive polymer are fed simultaneously through an elongate aperture of substantially closed cross-section formed by a plurality of rollers, whereby there is produced a laminate in which the conductive polymer layer has a controlled cross-section. Preferably the electrode has a plurality of openings therein and is fed through the aperture so that there is at least one point on the electrode, as it passes through the aperture, which coincides with an angle which is formed by two of said rollers and which is at most 90.degree.. Particularly good results are obtained when the roller which contacts the electrode has a plurality of indentations therein, so that conductive polymer not only penetrates into the openings in the electrode but also passes through those openings which overlie the indentations in the roller.

Abstract: A sheet of camouflage material is provided for concealing people and equipment from people or animals having a sense of color or geometric perception. The sheet has a plurality of alternating rows of straight-sided, upright V-shaped cuts with intermediate rows of inverted V-shaped cuts. The upright V-shaped cuts line up vertically in alternating columns with intermediate columns of inverted "V" cuts. Each shaped cut is comprised of a long straight incision and a short straight incision which intersect to form a triangularly-shaped point. The ratio of the lengths of the short incision to the long incision and the ratio of the spacing between points of the adjoining shaped cuts in a column and the length of the long incision are defined so as to produce a sheet of camouflage material which, when stretched, produces a three-dimensional effect with sharp points simulating grass or leaves with a height in the third dimension between three and four times the height of previous incised camouflage sheets.

Abstract: A reinforced veneer sheet and a method of manufacturing the reinforced veneer sheet are provided. On an imperfect veneer sheet, a plurality of closed cuts are formed in a row through the sheet across the veneer grain. Through these closed cuts, a length of cord is forced at its intermediate portions from one side of the sheet until they protrude from the other side. The cuts are formed repeatedly and the cord is also forced through the cuts repeatedly on a veneer sheet fed in one direction or cut off from a log turned on a veneer lathe.

Abstract: A length of envelope material adapted for being fed to an envelope-forming machine in which the material comprises a succession of envelope units in an unbroken row wound in the form of a roll with a succession of windings. Each envelope unit has a transverse fold line dividing the unit into two halves along which separated units can be respectively folded to form respective envelopes. Each envelope unit has a window opening and a transparent cover on the opening. First strings of glue are provided on each unit for joining the halves thereof together after folding along the fold line. Further strings of glue join the transparent cover to the unit. The strings of glue and the transparent cover are of respective thicknesses to form a uniform elevation at one side of the material of each unit. The diameter of the roll in which the length of material is wound corresponds to the dimensional length of each unit and the thickness of the glue strings and covers so that the roll is substantially cylindrical.

Abstract: A core steel reinforcement for window guide channels or the like is disclosed made from thin strip steel and having high strength and rigidity. It has marginal portions or areas in the shape of corrugations of inverted substantially V-shaped cross-section, and a longitudinal median portion or central carrier formed to provide spaced elevations or embossments alternating with indentations or embossments, which aid in the bending or forming of the strip to curvatures both longitudinally and transversely required to conform to those at the corners of automobile windows and the like.

Abstract: A grid-like article divider for packing cartons, of foamed plastic such as polyurethane or polyethylene, the divider having spaced parallel stringer panels and transverse panels hinged to the longitudinal panels, the divider being formed in collapsed condition from a solid slab of foamed plastic which is die cut with slits or cleavage to define the side faces of all of the longitudinal and transverse panels and holes, and with hinging sections arranged so that the plugs deformed at the holes drop out and the ends of the transverse panel swing against the longitudinal panels in the grid-like divider.

Abstract: In order to form an improved junction which is less liable to tear under shock loads, a diamond pattern of holes (or depressions) is formed in plastics material sheet. The holes are then in two sets of parallel lines each making an angle to the subsequent stretching direction and the holes are also in parallel rows at right angles to the stretching direction. The sheet is stretched so that the zones between adjacent holes in each line form orientated strands and the zones between adjacent holes in each row form junctions which have their lateral zones orientated but have a central zone which is unorientated or less orientated, i.e. which is thicker. The central zone can extend into two opposite crotches or be completely surrounded by highly orientated lateral zones.

Abstract: A ventilated interlocking floor tile is disclosed comprising a lower layer including a heavy, substantially solid edge region provided with a plurality of interlocks for attachment with contiguous tiles and an upper layer securely fastened to the lower layer to form an upper floor surface including a unidirectional slip-resistant tread pattern. The solid edge region defines a cavity on the backside of the tile and includes a plurality of ventilating grooves extending from the cavity to the outer edge of the tile to accommodate the flow of air to and from the cavity.

Abstract: An improved vapor-liquid contact grid apparatus which maximizes the generation of small drops and which is inexpensive to manufacture and easy to construct is disclosed. The grid apparatus consists of multiple layered grids, each grid being formed of upright grid members and connectors. The grid members carry vanes, formed from the member itself by a process of slitting and bending, which vanes extend out into the region between the upright grid members, thus restricting vapor passage, providing drip points and increasing the effective surface area for gas-liquid exchange. The grid members and connectors are arranged in an "egg carton" -like fashion to provide a simple, yet sturdy, grid.

Abstract: A process and apparatus for the continuous production of fiber reinforced plastic grating articles is provided wherein continuous strands of fibers are coated with a thermosetting plastic resin material and woven into a grate pattern defined by upper and lower molding teeth arranged on continuous upper and lowr molding tracks. The molding tracks rotate and cause the molding teeth to mesh, forming a molding cavity, wherein heat is applied to set the plastic resin. The fiber reinforced plastic grating articles formed by this process and apparatus have a unique cross-sectional configuration and arrangement of fibers providing for increased strength and reduced resin usage.

Abstract: The wall covering of the present invention comprises an elongated horizontal siding member having at its lower edge a U-shaped female locking flange. A separate horizontal bottom strip is adapted to be connected to the wall adjacent the lower edge of the horizontal siding member. The bottom strip includes a male locking flange sized to frictionally fit within and be retentively held in the female locking flange of the horizontal siding member. The interlocking relationship between the bottom strip and the lower edge of the siding member provides positive securement of the lower edge of the siding member to the wall.

Abstract: A laminated or multiple-ply structure comprising an inner wall of a substantially rigid material and an outer wall of a thin generally pliant material, such as a glossy finished paper, adhesively fastened thereto by a suitable adhesive or glue. A plurality of artifact receiving pockets are formed in the thin outer wall of the container, with each pocket being formed through the intermediary of a suitable perforation configuration formed therein. Each perforation configuration includes slits penetrating through the outer wall material and defining a pocket by a plurality of discontinuous slits extending along the semicircular peripheral edge of the pocket.

Abstract: A solderless capillary chip formed of a corundum-system precious stone such as ruby or sapphire, for use in electrical windings and the like. The inner bore of the chip is enlarged adjacent the exit end thereof, to permit relaxation of the wire to be pressure-bonded and thereby provide an improved contact situation for the next pressure-bonding operation.

Abstract: A net formed from partially crystalline synthetic material is made by first forming a plurality of parallel rows of overlapping slits in a solid, biaxially oriented shrinkable sheet of plastic film, such as polypropylene. The sheet is heated to produce a film lattice through shrinkage and thereafter stretched in the longitudinal direction while maintained at a temperature below the crystalline melting point, thereby causing the web portions to be stretched into thin filaments while the intersection portions remain undrawn. The resulting net comprises rhomboid-shaped meshes defined by the filaments and intersections and is expandable in a direction transverse to the net by a multiple of the width of the net.

Abstract: A method for forming a thin-walled object having a thin reinforcing sheet so perforated as to be deformable into a surface having a selected curvature, the reinforcing sheet being embedded in a plastic material that is hardened to form a surface corresponding to the curvature of the reinforcing sheet.

Abstract: In the fabrication of semiconductor integrated circuits, a method is provided for forming a self-supporting silicon mask and a further method is provided for utiliziing such a self-supporting separable silicon mask to perform various masking steps in the integrated circuit fabrication.The mask is formed by forming, at a surface of a planar silicon substrate, a silicon layer having a higher concentration of conductivity-determining impurities than the substrate beneath the layer, applying to selected portions of the other surface of the substrate an etchant which preferentially etches silicon having lower concentrations of conductivity-determining impurities to thus etch out preferentially selected portions of the substrate to form at least one recess extending through the substrate to said silicon layer, and then etching from the surface of said silicon layer opposite the substrate recess to form patterns of openings extending through the silicon layer to said substrate recess.

Abstract: A cover or the like consisting at least of one woven plastic web, provided at least on one side with a plastics foil, and for covers of comparatively large width composed of a number of such webs in either butted or slightly overlapping relationship. For reinforcement purposes, there is applied at least at two opposite sides an edge strip of similar, at least equally strong material as the cover. Spaced apart from the respective lateral edges, there are formed attachment holes, whereby a reinforcement cord in the longitudinal central region of the respective strip, substantially parallel to the respective lateral edge of the cover, is embedded between the edge strip and cover, while the said attachment holes are formed in the region inwardly adjoining the said reinforcement cord, through the edge strip and cover.

Abstract: Adhesive splicing tape, for cinematographic film, of the type having apertures for registering with the film sprocket holes and adapted to be folded in hairpin fashion about respective one edges of film portions to be spliced, has a central portion thereof, which would normally embrace the said one edges and overlie a sound track there-adjacent, readily detachable to enable it to be removed after a joint has been made to leave the sound track uncovered and to leave the said one edges uninterrupted.

Abstract: A cushioned toilet seat is made by first forming a sealed air-and-water tight annular inner tube having a configuration corresponding to that of the end product, then vacuum forming an annular recess or cavity in a first sheet of a cover material, then placing the previously formed sealed inner tube into the annular cavity, then placing a rigid annular member into the cavity on top of the inner tube, then placing a flat sheet of cover material over the cavity, and sealing it closed. Variations are disclosed in one of which the inner tube is filled or partially filled with a polyurethane foam produced by placing a quantity of expandable foamable polyurethane resin reaction mixture in the inner tube before sealing and then sealing the inner tube closed before the foam is fully expanded. In another embodiment, the inner tube is filled or partially filled with water.

Abstract: The invention relates to a shrinkable sleeve device easily assembled with a body to be protected thereby. It comprises a dimensionally heat unstable sheet-like portion to embrace the body with unique means for securing edge portions thereof together. The device is particularly advantageous for application and use in restricted locations and for providing a protective sleeve by which cable ducts will not be unduly impeded.

Abstract: A flexible, microporous, non-water soluble, non-skin-toxic film is provided for use in protective garments such as diver's suits, foul weather suits and the like. The film is of a thickness in the range of about 12.5.mu. to 12.5 mm and possesses about 100 to 1000 pores of a diameter in the range of about 2 to 100.mu. per cm.sup.2 of film surface. The porosity of the film permits the passage of body vapors but prevents, at least up to modest external pressures, the counter-passage of water. The film can be of a foamed material to provide increased insulational value.

Abstract: Composite sheets comprising expanded graphite, a sheet-like metallic core inserted therein and, if desired, a binder for the expanded graphite. In one embodiment, gaskets are prepared from the composite sheets.

Abstract: A foraminous sheet having properties similar to those of a sheet formed by perforation is made by arranging filaments in overlying groups to produce a non-woven mesh, and applying pressure to the overlying groups so that the intersections of the filaments are flattened to an extent such that the sheet which is produced has a substantially uniform thickness except at the locations of its openings and in the immediate vicinity thereof. The filaments of the mesh are fused together at their intersections in the pressure application step. Fusion of the filaments as well as flattening are aided by the application of heat.

Abstract: There is disclosed a multi-layer tape system, of the type disclosed is Castelluzzo application Ser. No. 930,700, U.S. Pat. No. 4,182,789, for applying register marks or other symbols to aligned art-work sheets used in the graphic arts field. In a two-layer system, each of two superimposed tapes has aligned markings thereon. A weak adhesive secures the two tapes together, and the two outer surfaces are coated with a strong adhesive. In a four-layer system, a separator is disposed between a pair of two-layer systems; the separator has holes therein so that the two tape systems can adhere to each other and remain in alignment, contact being made in the regions of the holes. The relative adhesive strengths maintain the system integrity prior to use while also permitting tape sparation during use. Instead of using clear tapes and printed markings as in the Castelluzzo system, opaque or colored tapes with punched markings are employed.

Abstract: Methods of making network structures include forming on one side of a sheet of thermoplastic polymer a plurality of parallel continuous main ribs and forming on the other side of the sheet in a different direction a plurality of parallel discontinuous tie ribs. The tie ribs are discontinuous in the areas where they cross over the main ribs to eliminate any increased thickness at the cross-over points of the main ribs and tie ribs. The ribbed sheet thus formed is drawn in either one direction or in two preferably perpendicular directions to open the sheet into a network structure and to orient the main ribs and preferably also to orient the tie ribs.

Abstract: Disclosed are three embodiments of a hand-held apparatus for printing and applying pressure sensitive labels. All the embodiments are disclosed as having a housing, a rigid, metal, frame plate mounted by the housing, a platen and a cooperating print head, a delaminator for delaminating printed labels from the web of supporting material on which the labels are carried, an applicator for applying the printed labels, a feed wheel having teeth for engaging and advancing the web, a manually operable actuator drivingly connected to the feed wheel and the print head, a brake, and an ink roll for inking the print head. The apparatus also includes a feed wheel assembly having a feed wheel driven by a pawl and ratchet mechanism. The pawl and ratchet mechanism is adjustably connected to the feed wheel and a rolling contact type one-way clutch prevents loss of tension in the web between the brake and the feed wheel.

Abstract: A basis for a tabletop for an extension table having extension leaves (E) with extension bars (B1 and B2), characterized by the fact that the tabletop basis consists of three laminae (10,20,30) having the same thickness and placed one on top of the other and are provided with various cut-out areas and slanting zones which together constitute cavities for slidably receiving extension bars of the extension leaves of the table.

Abstract: The present invention is directed to the manufacture of plastic net formed by extruding a plurality of spaced strands of plastic into a net structure. In accordance with the invention, adjacent strands in the net are joined in physical contact throughout all or a substantial portion of the length of the strand between the joints in the net structure. The strands are merged and integrally consolidated in the joints so that in effect the extruded structure is a solid sheet with or without perforations between the strands. Thereafter the strands are stretched preferably in two different directions to draw the strands apart and separate them throughout the length of the strands between the joints to form a high strand count oriented net produced for the first time by extrusion.

Abstract: A metal carrier is embedded into trim, for providing proper rigidness in the transverse direction as well as in the longitudinal direction to the strip-like trim formed with rubber or plastics and the like. Transverse slots are formed in the strip-like sheet metal at given intervals in the longitudinal direction and a thin link portion and/or narrow width portion (sectional area in the transverse direction is small) is alternately formed at the top and bottom portions of the transverse slot. When an external force is applied to the metal carrier covered with rubber or plastics, the formed connecting links of the thin link portion and/or narrow width portion at top and bottom are broken, and the metal carrier becomes a continuous zigzag strip.

Abstract: A net formed integrally of blended incompatible polymers, with parallel smooth longitudinal ribs interconnected by a plurality of split strands non-uniformly interspersed with a plurality of differently sized voids, by stretching a film with a generally longitudinal set of parallel primary grooves and a transverse or angled set, on the other surface, of parallel secondary grooves.

Abstract: A melt-embossed polymer film with primary parallel grooves on one surface and secondary parallel grooves on the other surface such that the combined tapes of the grooves is at least substantially equal to the film thickness, the two sets of grooves being located at an angle to each other of not less than 30.degree., is stretched at right angles to the direction of the primary grooves by a small amount to give a perforate product which can be formed into strips tearable longitudinally or transversely and thus useful as a vapor-permeable substrate for adhesive-coated tape.

Abstract: When electrically insulating ceramic substrates are coated with silicon by any of a number of methods that brings the substrate into contact with molten silicon, electrical contact can only be made conveniently to the exposed surface of the silicon coating. This invention teaches an improvement for making electrical contact to the interface surface of the silicon. It was discovered that by providing narrow slits or small holes in the ceramic substrate that upon coating the substrate with molten silicon, molten slicon will wick through the slits or holes to the uncoated surface of the ceramic.

Abstract: Apparatus in the form of a stencil, wet transfer material or dry transfer material is disclosed for marking characters on a surface. A set of character-defining indicia are provided on the stencil or transfer material and symbols having simple geometrical shapes are also provided to enable visually harmonious character spacing to be achieved. Some or all of the indicia have two or more spatially separated symbols so that character spacing can be related to the particular character pair combination being drawn or marked. Simple rules are provided for matching symbols to each other.

Abstract: The present invention is directed to the manufacture of plastic net formed by extruding a plurality of spaced strands of plastic into a net structure. In accordance with the invention, adjacent strands in the net are joined in physical contact throughout all or a substantial portion of the length of the strand between the joints in the net structure. The strands are merged and integrally consolidated in the joints so that in effect the extruded structure is a solid sheet with or without perforations between the strands. Thereafter the strands are stretched preferably in two different directions to draw the strands apart and separate them throughout the length of the strands between the joints to form a high strand count oriented net produced for the first time by extrusion.

Abstract: Disclosed is a method and a preformed laminate useful in various forms for repairing holes and covering joints in drywall. The laminate comprises a sheet material backing having an overlay of plaster joint compound, or the like. The overlay has an outwardly tapered thickness. The laminate may be in circular, strip, or other form. The backing material is secured over the hole or joint, as the case may be, and a small amount of drywall joint compound is added around the perimeter to blend the patch into the wall surface.

Abstract: Mount for film elements consisting of two panels having generally matching apertures, the apertures of one being provided with notches to expose the coating of a visually-evident nature provided on the inner surface of the other to assist in the insertion of the film elements.

Abstract: A soft, absorbent fibrous web is formed from an aqueous slurry and includes randomly arranged and contacting wood pulp fibers produced by the sulfate process which constitute the predominate fiber component, by weight, of the web. A portion of the web thickness is substantially free of debonders and wet strength additives, and the fibers in that portion of the web are held together almost exclusively by papermaking bonds. A plurality of partially fractured areas are provided in spaced-apart regions which are substantially uniformly distributed throughout the web. An adhesive bonding material extends only partially through the web thickness to form adhesively bonded regions having a greater strength than underlying regions which are bonded together almost exclusively by the papermaking bonds. The web of this invention has a basis weight in the range of from about 25 to about 100 lbs/2,880 feet.sup.2, a density of from about 0.08 grams/cc to less than about 0.16 grams/cc.

Abstract: A tape for use in securing a sheet to a surface has adhesive extending part way across one face and the full length thereof thus leaving an uncoated portion to overlie a margin of the sheet. The line of demarcation between the coated and uncoated portion is indicated by regularly spaced indicia including angles the apeces of which preferably establish both transverse and vertical reference lines or ensure accurate tape placement relative to such reference lines.

Abstract: A paper wrapper is provided for wrapping refrigerated meats, which is characterized by a paper board for prevention of strength loss due to moisture pick-up during usage, and also for prevention of drying for good preservation and for easy separation of the meat from the box.

Abstract: Disclosed are heat-transmitting, anti-friction composites useful for example to reduce sliding friction between the stationary platens and moving belts of continuous hot presses used in the manufacture of consolidated board-like products such as fiberboard. In the disclosed embodiment, the composite comprises a brass sheet perforated in such a manner as to form a multiplicity of rigid prongs projecting transversely from one of its faces. An overlay sheet comprised of polytetrafluoroethylene or other solid lubricant is impaled on the prongs and adhesively bonded to the face of the brass sheet from which the prongs project. The prongs serve to inhibit the tendency of the overlay sheet to undergo plastic flow when subjected to stresses such as are caused by a belt sliding over it. The prongs also serve as paths for efficiently conducting heat through the overlay sheet.

Abstract: A porous laminate is disclosed consisting of a plurality of lamina each having a parallel slot series formed therein, stacked with the respective adjacent slot series overlapping and extending transversely to each other and bonded to each other to form the porous laminate. Variations disclosed include tapering the slots in one or more of the lamina to create a variable porosity and the inclusion of tying sections at intermediate points along the slots for reinforcement purposes.The disclosed process includes the steps of photoetching metal sheets to create the slot pattern, stacking a plurality of the sheets together with the slots in adjacent sheets extending transversely to each other, diffusion bonding the stacked sheets to form a porous laminate, and calendering the finished sheet to modify or adjust permeability.

Abstract: A net which comprises an expanded area-bonded non-woven fabric, and method of preparation. The net has a mesh perimeter in the range 1/8 to 12 inches, tear strength of from 5 to 20 lb. per inch per lb. per square yard of net. The process comprises forming numerous, discontinuous parallel and overlapping slits, having lengths from 1/16 to 6 inches in area-bonded non-woven fabric, and then stretching the slit fabric in a direction transverse to the slits to form a net, and preferably heat treating the net.