Abstract: The manufacture of lightweight components having high strength properties can be improved in that a bowl-shaped shell (1) has reinforcing ribs (3) made from injected-on plastic in its interior (2) which are connected to the shell (1) at discrete connecting points (11) via perforations (12) in the shell (1), through which the plastic passes, extending beyond the surfaces of the perforations (12).

Abstract: This relates to the special construction of shells for closure panels of composite closures which, in production, for all practical purposes will eliminate nesting of stacked closure panels. Most specifically, each closure panel will be provided with flutes indenting the skirts thereof so as to prevent closure panels from nesting when stacked. Preferably, each closure panel is provided with at least three flutes and preferably four with the circumferential spacing of the flutes of a closure panel all being different and when the shells of the closure panels are formed in a multiple cavity die, the flute arrangement in each cavity will also be different. This will, for all practical purposes, eliminate nesting of the closure panels when stacked during production.

Abstract: A converter mechanism and method for producing a relatively narrow width and small size cushioning dunnage product of pad-like form, from sheet-like stock material. A conversion kit comprising a funnel-like chute member and a coacting elongated generally rectangular shaped (in top plan) bar former is provided for conversion of a known cushioning dunnage converter into one which can produce the relatively narrow and small size pad-like cushioning dunnage product of the invention. The bar former has its forwardmost end disposed generally adjacent the exit end of the funnel-like chute member, with its rearward end extending rearwardly of the entrance to the funnel-like chute member.

Abstract: A floor covering tile is a lamination of several layers. A surface layer is a vinyl chloride resin with a small filler compounding ratio; an intermediate layer is a thermoplastic resin having a large filler compounding ratio, a lower layer is a thermoplastic resin having a large filler compounding ratio; and a glass fiber layer is in between the intermediate and lower layers. The lamination is gently curved to have a curved bottom surface.

Abstract: A semiconductor wafer holding and support fixture having a low effective thermal mass comprises a planar surface having a recess for a wafer and consisting essentially of chemical vapor deposited silicon carbide. The wafer holder is specifically designed to isolate the wafer from regions of significant thermal mass of the holder. The wafer holder is particularly adapted for accomplishing chemical reactions in rapid thermal processing equipment in the fabrication of electronic integrated circuits. The method for making such an article comprises shaping a substrate, e.g. graphite, to provide a planar surface having a recess installing means for masking any regions of the substrate where silicon carbide is not desired, chemically vapor depositing a conformal outer coating of silicon carbide onto the substrate, removing the means for masking and removing the graphite by machining, drilling, grit-blasting, dissolving and/or burning.

Abstract: A scarfing method and apparatus are disclosed for making a longitudinally and transversely contoured batt on a moving fibrous web. The apparatus comprises a scarfing roll disposed on one side of a foraminous belt and a contouring roll, having a nonuinform surface, disposed on the opposite side of the belt. As the contouring roll is rotated, it raises the belt and the fibrous web towards the scarfing roll, according to the shape of the nonuniform surface. Hence, a contour is provided in the direction of movement of the web. The transverse contour can be provided by the shape of the scarfing roll itself.

Abstract: A heat shapable resin laminate sheet, composed of several heat-bonded support webs impregnated with duroplastic binders, the deformation temperature to be utilized in shaping the laminate sheet being higher than the temperature utilized in molding it, which comprises a number of individual laminations, each of which is formed separately of one or more support webs impregnated with duroplastic binders and layers of thermoplastic binders arranged between the individual laminations, the melting point temperatures of the thermoplastic binders being equal to or lower than the deformation temperature, and a process of shaping the laminate sheet.

Abstract: Trickling sheet (2) comprising in the direction of its first side or base (3) a first zone which is greatly corrugated (5) and a second zone which is slightly corrugated or flat (6), of equal width, these zones being provided with spacer bosses (7) at the two sides of the sheet, the mean plane of the second zone or the plane of the flat zone (6) being offset in such a manner that the tops of the bosses (7) of one of the two faces of the sheet are co-planar. An assembly of such sheets juxtaposed with one another by turning one sheet out of two through 180.degree. about the median line (9) separating the two zones constitutes a packing element with rectilinear channels, without obstacles or awkward recesses or bottlenecks.

Abstract: Non-slip properties are imparted to molded plastic articles by adhering a layer of latex or a latex-impregnated sheet material onto the surface of the molded article. Preferably, the latex layer is applied prior to thermoset curing of the molded article and is adhered to the thermoset article during the curing process. The plastic may be reinforced, and the latex is preferably an acrylic latex impregnated into a sheet material such as cloth or paper.

Abstract: A cold weather garment system includes an upper body garment and a lower body garment. Each garment has three layers, an outer wind resistant shell fabric, an inner loosely knit or woven lining fabric, and a non-flat foam layer between the fabric layers. The face of the foam layer abutting the inner lining fabric is convoluted, having peaks and valleys. The peaks are disposed in a grid-like arrangement, with ridges between the peaks, and four peaks surrounding a valley, and four valleys surrounding a peak. The foam is open cell polyurethane or polyether foam, and has a thickness of at least 1/2 inch, and preferably about one inch. The thickness of the valley portions of the foam is about 1/2 that of the peak portions. The convoluted form of the foam increases flexibility and reduces material and weight, and provides added surface area for moisture transfer.

Abstract: A scarfing method and apparatus are disclosed for making a longitudinally and transversely contoured batt on a moving fibrous web. The apparatus comprises a scarfing roll disposed on one side of a foraminous belt and a contouring roll, having a nonuniform surface, disposed on the opposite side of the belt. As the contouring roll is rotated, it raises the belt and the fibrous web towards the scarfing roll, according to the shape of the nonuniform surface. Hence, a contour is provided in the direction of movement of the web. The transverse contour can be provided by the shape of the scarfing roll itself.

Abstract: A thermoformed sheet 1 for a plate-type gas-gas heat exchanger of the type comprising a case in which are stacked parallel plates spaced from each other by lateral spacing means, these plates having at their ends pointed regions provided with elements for alternately closing one of the two sides of the point, the case further comprising walls connected in a fluidtight manner to the pointed portions of the ends of the plates so as to form distinct inlet and outlet conduits for the gases which circulate in a countercurrent manner in the alternating spaces formed by the plates, this sheet being characterized in that it comprises a series of identical rows of elongated patterns 2a, 2b, 2c, 2d having edge portions folded on one side or the other of the sheet, each pattern comprising two parallel longitudinal edge portions 3a, 4a; 3b, 4b; 3c, 4c, 3d, 4d by which it is connected to the adjacent patterns so as to form a row and terminating in two pointed end portions 8a, 9a; 8b, 9b; 8c; 9c; 8d, 9d by which the patter

Abstract: A composite plate including a core plate, and top surface and bottom surface metallic plates which are folded to enclose the core plate to provide an airtight seal to the core plate. The composite plate has particular utility for use as a structural plate, such as floor plate, ceiling plate, etc.

Abstract: A process is herein disclosed for producing a slow release composite comprising grinding and mixing mechanically in a frozen state one or more polypeptides, one or more proteins and one or more physiologically active substances shaping the blend into a desired form and compressing at a pressure of from 100 to 20,000 kg/cm.sup.2 to thereby produce a slow release composite having the physiologically active substances encapsulated therein.

Abstract: A cushioned panel is provided together with a process of molding it. A non-woven fabric having an outer layer composed of polypropylene or other thermoplastic fibers is heated to the melting point of the fibers. It is inserted into a mold having a decorative surface fabric and a piece of foam cushioning therein. The mold is designed so that the edges of the male and female mold halves compress the molten non-woven substrate and the surface fabric forcing the molten surface of the substrate into the interstices of the surface fabric. A mechanical bond is formed upon cooling.

Abstract: A board which can be conformed to a desired shape, for example, when fabricating a curved wall of a boat hull or gas tank, consists of a plurality of core strips, preferably of polyurethane foam, with mating edge surfaces of complementary shape, with webs of fibrous material, for example, glass fibre matting, interposed between the mating edge surfaces and lying flat against the outer faces of the strips. The webs are held in contact with outer faces of the core strips, for example by stitching passing through outer cover sheets, also of glass fibre material. When "wetted out" with resin the board can be conformed to a desired shape by virtue of the mating edge surfaces of the core strips. The structure forms a rigid internally reinforced structure or wall when the resin is fully cured.

Abstract: A slip resistant mat assembly for use on boats and other pleasure craft has a custom molding providing an edge trim and being usable for securing the mat in place against both vertical and lateral movement, whereof the mat portion includes vertically downwardly extending studs upon which it stands, a portion of these studs passing into the molding and being interlocked thereto, the molding being securable to the surface upon which the mat studs rest.

Abstract: A shield for protecting the nap, or pile, at the edges of carpets or the like while painting adjacent surfaces of adjoining walls. The shield is formed of a substantially planar isosceles trapezoidal guard and platform, and a substantially planar rectangular runner. The guard and runner support the platform above the upper surface of the carpet. The angles between the sides and major base of the guard and the angle between the guard and the platform are chosen so that the pile of the carpet does not, as the shield slides over the carpet, spring back into contact with adjacent painted wall surfaces. The guard, platform and runner are preferably made of a single sheet of planar material.

Abstract: A protective wall paneling kit for recesses, for example, that surround a bath tub or shower stall, is disclosed. The kit, and its several components are primarily of extruded plastic. Extruded sheet panels are provided having a relatively thick structural base member, such as acrylonitrile-butadiene-styrene tripolymer, co-extruded with a thin layer of a protective plastic such as an acrylic having enhanced impact properties. Adjacent panels are joined and outward facing edges are sealed by further extruded joining and sealing strips, of a plastic such as polyvinyl chloride. The strips are of a single profile shape and are adaptable for either use. The panels and strips may be provided with sizing grooves during extrusion to allow convenient size adjustment. The joining and sealing strips may also be of a dual durometer polyvinyl chloride to permit hinging or tear stripe adjustment. The adjustment features allow the kit to be provided in a wide range of standard embodiments made from limited modular sizes.

Abstract: A method of welding together a pair of thermoplastic sheets each including pposite surfaces bridged by a terminal edge defining an edge portion by placing the edge portion of a first overlapping of the pair of sheets into overlapping relationship with a second edge portion of a second overlap of the pair of sheets and with the terminal edges thereof spaced a predetermined distance from each other and in generally parallel relationship to each other, applying a continuous linear strip of plastic welding material in thermoplastic state progressively and in generally parallel relationship to the terminal edges along surfaces of the overlapping and overlapped edge portions and in bridging relationship to the terminal edge of the overlapping edge portion, performing the overlapping in the absence of overlapping any portion of the overlapping first sheet upon itself and in the absence of overlapping any portion of the overlapped sheet upon itself, and applying heat to those surfaces of the overlapped and overlappin

Abstract: A cigarette magazine chute wall is formed by two metal sheets 11, 12 glued together in an arc-shaped zone 10b and filled with a moldable spacer material 14 in a wedge-shaped zone 10a. Grooved pins 15, 16 and threaded bushes 17, 18 are embedded in the filler to implement the anchoring of the sheets and their subsequent assembly in a magazine. A mold assembly is built up by clamping together a plurality of curved mold plates 20, and disposing a pair of magnetically fixed sheets 11, 12 between adjacent plates, whereafter the filler 14 is introduced under pressure.

Abstract: An insulating corrugated member is provided by two sheets having identical corrugations, at least one of the sheets being of a thermoplastic material and having its edges deformed, the deformed edges being adhesively secured to the other sheet. The edges of the thermoplastic sheet are deformed on a mold which is prepared by using, as a template, a sheet having identical corrugations by the application of heat and differential gas pressure to opposite sides of the thermoplastic sheet.

Abstract: A method of affecting the tail end of a roll of plastic film to render it readily identifiable and easy to grasp and start without tearing the film web into strips. The tail end of the film is embossed on-line as it is separated and about to be wound up on a roll core. The method is accomplished by securing the tail end between a heated surface on the upstream side of a knife on a cut-off roll and a lifting and embossment mechanism to provide a wide embossment across the tail end of the film at about the time it is severed from the film stock. The method produces a novel puckered tail, particularly for highly oriented films where tension is relieved while the tail end is still heated.

Abstract: What is disclosed is a double-walled shaped plastic article comprising a first sheet of a synthetic resin having a geometrically regular depression therein, the depressed portions of which are connected to surrounding planar portions of said sheet by a side wall, a circumferential groove in said side wall, and a second sheet of synthetic resin having edge portions pressure fitted into said circumferential groove.

Abstract: A self-supporting roof plate for motor vehicles and the like is disclosed, characterized in that said roof plate consists essentially of a composite structure comprising a plate of rigid thermoplastic material bonded to a layer of foamed plastic material having a thermo-acoustical insulating function, and a layer of an aesthetically pleasing plastic material, said multi-layer structure being so shaped as to include on opposite sides two hook-like or S-shaped arcuate strips forming elastically yielding strips, adapted for the assemblage of the structure against the roof body of the car, by snap-fitting said arcuate strips into grooves prearranged between the roof ceiling and the body sides of the vehicle. The rigid plate may be a box-type or similar structure. The arcuate strips may be obtained by the thermo-forming of the composite structure.

Abstract: This elastic composite assembly intended especially for upholstering or lining instrument panels or inner walls of passenger compartments of motor vehicles comprises at least one rigid support, a cellular padding and a covering plastic sheet, the sheet being formed integrally with a great number of studs on its inner face so as to constitute an equal number of anchoring points for the sheet in said padding, the padding consisting preferably of polyurethane and the rigid support of metal or molded plastic.

Abstract: Insulation comprising a multiplicity of small chips of corrugated cardboard. The chips have varying external configurations and varying orientation of the long axis of the flute(s) with a side of the chip. The chips may be utilized as loose, bagged or block insulation.

Abstract: The invention discloses a prefabricated partition having high acoustical insulation value and comprising two parts which are symmetrical on either side of a plane parallel to and between the outer facings. The frame members of one part being adhered to the frame members of the opposite part by an adhesive over at least a portion of the adjoining frame surfaces. To reduce the area of contact between the rigid frames they may be recessed along a portion of their adjoining surfaces and the recesses filled with an elastic foam. The frames are preferably of a rigid foam material.