Abstract: A decorative high pressure laminate having registered color and embossing is produced by effecting a simultaneous embossing and laminating using a three-dimensional press plate acting against an overlay sheet containing high flow melamine resin and pigment beneath which lies a melamine resin impregnated print sheet and below that an underlay sheet containing high flow melamine resin and pigment of another color. During the pressing operation the resin and pigment in the overlay flow laterally from the high pressure areas to the low pressure areas with the result that the underlying print sheet is visible through the overlay sheet in the high pressure areas while the pigment in the overlay sheet in the low pressure areas masks the print sheet. In areas of even lower pressure the color from the underlay sheet strikes through to the surface to provide a third color.

Abstract: A decorative high pressure laminate having registered color and embossing is produced by effecting simultaneous embossing and laminating using a three dimensional press plate acting against an overlay sheet containing high flow melamine resin and pigment, so that during the pressing operation the resin and pigment flows laterally from the high pressure areas to the low pressure areas with the result that the underlying print sheet is visible through the overlay sheet in the high pressure areas while the pigment in the overlay sheet in the low pressure areas mask the print sheet.

Abstract: A decorative high pressure laminate having registered color and embossing is produced by effecting simultaneous embossing and laminating using a three-dimensional sculptured press plate acting against an overlay sheet having therebeneath a print sheet having a coating containing a high flow melamine resin and pigment, so that during the pressing operation the resin and pigment coating flows laterally from the high pressure areas to the low pressure areas with the result that the underlying print sheet is visible through the overlay sheet in the high pressure areas while the pigment in the coating on the print sheet in the low pressure areas mask the print sheet.

Abstract: Curved sandwich panels having a plastic foam core are prepared by providing a flexibilized foam core, laminating inner and outer skins to the core. The outer skin is laminated to the core at locations other than where the panel will be curved, bending the panel to the desired shape and laminating the outer layer to the core.

Abstract: Apparatus and method for forming a bead on the border of a swimming pool liner or similar article of plastic sheet material. The plastic sheet is located so that a portion of the border thereof underlies the elongate heat sealing member of a heat sealing apparatus. An elongate strip of bead material is dispensed beneath the heat sealing member and underneath the border of the plastic sheet underlying the member so that the border overlaps the strip. The outer edge of the bead material is compressed by engaging it with a transverse moving member adjacent the edge of the border to provide curvature to the material. The heat sealing member is then motivated downwardly into contact with the portion of the border of the plastic sheet underlying the member to heat seal the border to the bead material. The curvature of the bead material provides excess sheet material where the heat sealing takes place to minimize the formation of a tear line between the bead material and the plastic sheet.

Abstract: Pharmaceutical dosage forms comprising an edible web having deposited thereon or at least partially thereon a particulate medicament, the webs being thereafter fabricated and finished to pharmaceutically elegant solid dosage forms having no medicament exposed on an exterior surface. The dosage forms have a consistency of release of medicament which can be controlled to exacting specifications. The disclosed solid dosage forms are prepared by high speed automated equipment and the process by which they are made is characterized by non-destructive quality control analysis and performance evaluation both conducted on-line and integrated into the manufacturing operation. Included in the scope of the disclosed invention are certain apparatus and methods of manufacture.

Abstract: The postformability of laminates particularly decorative laminates, having resin-impregnated paper layers is improved by resin treating at least one of the core layers near the surface of the laminate to render the fibers therein less yielding than those of the other layers.

Abstract: A method of assembling and embossing a multiple layer workpiece has, in a most complete conception, a first die having die surfaces for defining periphery of an area portion to be embossed on the workpiece which engages a blank to mark the blank with the die surfaces. Means are then located on the blank relative to the mark for operating on the blank to make a model of the desired workpiece from the blank. A second die is made conformably with the model. Workpiece layers are then assembled in overlapping relation and welded together by the first die along the periphery of the area porton defined by the die surfaces. Portions of one layer outside the welded periphery are then removed to leave the area portion covered by the one layer and secured to the other about the periphery of the area portion.

Abstract: A structure is described which consists of a corrugated and a flat sheet or film of thermoplastic material, which sheets are positively connected by matching depressions with undercuts arranged along the grooves of the corrugated sheet and at corresponding points of the flat sheets. The structure is especially suited to make inserts for trickling-filter towers.

Abstract: A method of manufacturing hollow pieces comprising the steps of forming a blank of single sheets each having a layer of gluing substance applied thereto; placing the blank onto an appropriate mandrel and subjecting it to a preliminary compression so as to impart to the blank a stiffness and to shape it into an unclosed profile as required for subsequent steps. Then the blank ends are brought together so as to define a cavity accommodating an elastic bag. The resulting blank is placed into a mould, and pressure is fed into the elastic bag to perform a final pressing.The above-described method is preferably used to manufacture helicopter rotor blades of glass plastic, which have variable cross-sectional shape over their length and exhibit higher strength and longer service life as compared with metal blades.

Abstract: Tandem operations for manufacturing coaxial cable units include new and unobvious methods and apparatus for laminating an outer conductor, for drawing an inner conductor, for applying plastic discs to the inner conductor and for corrugating the outer conductor. Laminating the outer conductor is accomplished by passing a copper, copolymer adhesive, steel sandwich through three pairs of heated rolls. The heated laminate is passed over a roller designed to impart a three-dimensional curvature to the laminate. Then, the laminate is advanced in the manufacturing atmosphere and over another roller to remove the three dimensional curvature while the heat is removed. This produces a laminate which is essentially stress-free although composed of dissimilar materials. The inner conductor is drawn to a final diameter by an ultrasonically vibrating drawing die within a liquid medium which acts as a lubricant and as a cleaner to form a clean, smooth inner conductor.

Abstract: This invention relates to a laminated metal-based facing constructed in the manner that a metal sheet as a construction member and a facing veneer of natural wood as a facing member are formed by heating under pressure into one body with nonwoven cloth of nonbinder construction placed therebetween as a medium for an adhesive layer to thereby bond said metal sheet with said facing veneer firmly and to make the sheets thus laminated adapted for bending work, said cloth being impregnated with a thermoplastic resin modified phenol resin adhesive or elastomer modified phenol resin adhesive.

Abstract: As a laminated film formed by continuously melt extruding an .alpha.-olefin polymer as a covering film on a traveling, continuous substrate film of an .alpha.-olefin polymer is being cooled by means of a cooling roll contacting the covering film side, pressing rolls are pressed against the laminated film on the substrate film side, along the lateral edge parts thereof, and toward the cooling roll thereby to cause local plastic deformation and thinning of the cover film, which has not fully solidified, due to elastic deflection without appreciably thinning the substrate film, and then the pressing rolls are retracted away from the laminated film, whereby thin-film regions for ensuring positive gripping by tentering clips for lateral stretching are formed along the lateral edge parts.

Abstract: An embossing assembly, for use in making high pressure decorative laminates, contains at least one metal sheet 0.0003-0.05 inch thick, having a patterned embossing side and a support side, the support side having indentations therein which form the pattern on the embossing side, and an accompanying fibrous support having a thickness of from about 0.5-7 times the deepness of the indentations per metal sheet, disposed next to the support side of the metal sheet.

Abstract: A plastic laminate and shaped article having a polyurethane film substrate, a fabric superstrate and an intermediate layer of polyurethane foam. The polyurethane foam layer is cast upon the polyurethane film to provide a substantially integral laminate. The fabric layer is also bonded to the foam layer, preferably prior to complete curing, permitting the use of unnapped fabrics.

Abstract: A laminated decorative sheet is prepared by applying a coating layer consisting of a thermo-setting resin composition on a base paper for a decorative laminate which has been prepared by incorporating a composition the whole or a major part of which is composed of a synthetic rubber and/or a thermo-plastic synthetic resin substance into the base paper during the paper making thereof or by impregnating the base paper with the thermo-plastic synthetic resin composition or with the mixture thereof; or alternatively is prepared by laminating another base paper for a decorative laminate which has been impregnated with the thermosetting resin composition on the above mentioned base paper containing the thermo-plastic synthetic resin composition, and the thus prepared layers are laminated under heat and pressure to form a laminated decorative sheet having smooth surface which is subjected to emboss-processing under a heating condition of at least 100.degree.