Abstract: A method of manufacturing a decorative object made of colorless transparent or colored semi-transparent synthetic resin is provided wherein a film, on which letters, patterns or the like are displayed, is bonded to a notch-cut back side of the object. The steps of the method include setting the film onto a notch-cut and engraved surface of a die half, closing the die half with another die half, and injecting the transparent or semi-transparent synthetic resin into the closed die halves to mold the decorative object and to closely bond the film to the notch-cut surface of the decorative object thus molded.

Abstract: A method of moulding racquets to define stringing holes in the moulded frame. The method includes forming at least one approximately ladder-shaped member having two side pieces interconnected by rung pieces, with the side pieces substantially conforming to the curved shape of at least part of the frame of the racquet; entrapping the ladder-shaped member between two mould plates defining a mould cavity; injecting a plastic material into the mould cavity to mould the frame around the rung pieces; and forming the ladder-shaped member in two parts and separating the two parts after the frame has been moulded to remove the ladder-shaped member from the moulded frame.

Abstract: A method for forming soft, resilient, smooth, energy dissipating articles from foamed partially cross-linked polyolefins wherein sheet stock is cut into a preform and the preform while at room temperature is positioned within a mold cavity formed by partible mold halves. The preforms and the cavity of the molds are so arranged and constructed that after molding there is no flashing needing trimming because the polyolefin is substantially confined within the cavity without any lateral projection into the parting surfaces of the mold.

Abstract: A support element supports the integrated circuit chip of an electronic memory card. The support element is used for positioning the chip inside a mold cavity and the card body is formed by injecting plastic material (e.g., ABS) into the cavity so that the chip is embedded in the plastic. The support element may be constituted of a film which is peeled off the finished card or it may be constituted of a sheet which remains as an integral part of the card. The support element may include graphics elements for decorating the card face. If the support element is a peel-off film, then the graphics elements are transferred and remain visible on the card. If the support element remains as an integral part of the card, then the graphics elements are formed on a face thereof which is visible in the finished card.

Abstract: A blade of an exposure control such as an iris control device or a shutter control device is provided for use in cameras. A sheet of a resin or metallic material configured as desired into the final blade form is placed in an injection molding machine which has a pin-forming cavity on one side of the sheet. The sheet is broken and penetrated at its portions where pins are to be formed and fixed, such that portions of the material of the sheet are deformed to project into the cavity. A molten resin is injected through a sprue formed on the opposite side of the sheet to the cavity so that the injected resin fills the cavity to form a pin in such a manner that the deformed and projected portion of the material of the sheet is embedded in the pin-forming resin. Another pin is formed on the other side of the sheet simultaneously with the first-mentioned pin in the same manner in the same die apparatus.

Abstract: An apparatus for making multi-sectioned and multi-colored products having a predetermined geometric or other shape from different slurry mixtures requires a carrier with a predetermined sized and shaped peripheral wall optionally used with a flat or a contoured support surface, the carrier has; a latticed grid formed by intersecting and interconnected members which define random openings, and at least one or more dividing blade slots so connected in the carrier that the latticed grid is divided into spaced slurry receiving sections, and dividing blades adapted to be removably positioned and repositioned in said dividing blade slots provide means for alternatively and selectively isolating the respective spaced slurry receiving sections so that different slurry mixtures can be poured into each of the isolated spaced slurry receiving sections to harden therein about the carrier to form a furnished integral product.

Abstract: The method includes printing a decorative design on a surface of a suitable support using a transferable ink; introducing this support into an injection mould in such a manner that, during injection, its surface carrying the decorative design faces the inside of the mould; and injecting into the mould a heated thermoplastics material for forming an object. To prevent the printed design from being deformed by molten thermoplastics material during injection, the method further includes introducing a separate film into the mould, before injection, in such a manner that it is applied against the surface of the support printed with the decorative design. The film is made of a material which bonds with the injected thermoplastics material and receives and retains the ink forming the decorative design, which separates from the support and deposits on the film during injection.

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: The body of a magnetic tape cassette is formed by injection molding of plastic material or the like, and is provided with a protecting film layer on at least a part of the outer surface thereof. The protecting film layer is bonded to the surface of the cassette body simultaneously with the molding of the cassette body by injecting molding material into a cavity of a plastic injection mold with a protecting film material being inserted into the cavity before injection.

Abstract: A process for producing a synthetic resin molded article having a pattern formed on its uneven surface, which comprises fitting a patterned film or sheet to a mold and injecting a thermoplastic resin, wherein said mold has engraved therein such an unevenness that said patterned film or sheet undergoes extension of from 5 to 120% upon resin injection, and said patterned film or sheet is a polycarbonate film or sheet having a thickness of from 0.1 to 1 mm. The resulting molded article has a clearly outlined pattern on the uneven surface.

Abstract: A molding process of a molding compound containing an ingredient such as a binder, e.g., pitch or a thermosetting resin which generate gas before being set, is disclosed, wherein the molding compound is heated and molded under pressure according to a special temperature pattern. First, the molding compound may be preheated substantially uniformly to a temperature at which the binder melts and generates reaction gas. Next, temperature gradient in the direction of thickness of the molding is created while raising the temperature of the molding to an upper limit temperature so that the setting of the molding progressively advances from the higher temperature to the lower temperature side of the molding.

Abstract: The present invention relates to a method for hot curing thermosetting resins and vulcanizable elastomers, based on the use of perfluoropolyethers in the liquid state as heat transfer media.

Abstract: A wheel having a hub and a tire mounted on the hub in which the hub is molded with a central bearing surface for an axle and a circumferential rim for a tire, and the tire is molded with a circumferential tread having a side wall at one edge and a formed lip at the opposite edge. The hub rim is molded with notches on its opposite edges and is allowed to become dimensionally stable after molding while the tire is, after being molded, joined to the hub by passing the formed lip over the hub rim to engage one of the hub rim notches for securing the tire to the hub and allowing the tire to cool and become dimensionally stable while on the hub.

Abstract: An insert which forms the show or finish surface (the surface exposed to the weather) for an elastomeric gasket in an encapsulated window assembly is thermoformed from a sheet of plastic and placed in the lower half of a mold. A sheet of glazing material is also placed in the lower mold half and an upper mold half is utilized to close the mold cavity. Gasket forming material is injected into the mold cavity to form a gasket in situ which adheres to both the peripheral marginal areas of the transparent sheet and the insert. The insert can be formed with a gate portion which extends into the gate area of the mold and prevents the gasket forming material from flowing onto the surface of the insert which is to be exposed in the final glazing. In one embodiment, the insert can be formed in its final configuration with a central opening leaving the transparent sheet exposed. In an alternate embodiment, the insert is formed with a centrally disposed portion which covers the transparent sheet material to protect it.

Abstract: Novel composite products formed by bonding a flowable elastomer, such as silicone rubber, to a transparent or translucent silicone rubber preform are described. These products have utility in the field of electromechanical devices such as an illuminated switch or key or as a transparent rubber window permitting view of an underlying display device. The bond between the preformed elastomer and the flowable elastomeric material is improved by post-curing the preform for about 4 hours at about 200.degree. C. prior to contact of the flowable material with the preform. Methods of fabrication of the novel composites are also disclosed.

Abstract: A method of making a facing panel including on its visible side a portion of moquette, a portion of fabric, a portion consisting of a layer of compact polyurethane of a first color and a portion consisting of compact polyurethane of a second color, these portions being fastened to a wall or backing and the whole being made by positioning at first fragments of moquette and fabric on a die, then projecting layers of compact polyurethane and applying a lining backing.

Abstract: A crowned, domed garment button for use with a garment. The garment button comprises a generally cylindrical base member, a generally disc-like front facing portion, the facing portion, configured in a generally domed convex configuration, includes a periphery, and a generally annular rim portion, the rim portion being adapted to embed the front facing portion periphery, whereby the rim portion accentuates the domed front facing portion.

Abstract: A plastics article, for example a container lid, in which a blank 3 of sheet material is incorporated, as a label or diffusion barrier, as the article is moulded is manufactured in an injection mould the mould cavity of which contains a recess 7 into which the blank is received prior to injection of the plastics material. The blank is dropped from holder means externally of the mould cavity, preferably during relative closing movement between the mould halves 5, 6 and is caused to enter into the recess as it falls. The blank may be held in a guide track 12 or chute directed down into the mould cavity and be restrained by a stop 13 from falling until required to do so. Air may be applied to the blank as it falls to direct it into the recess.

Abstract: Hybrid contact lenses and other composite polymeric articles of precise dimensions are made by placing a first monomer composition in a mold and irradiating and polymerizing a central portion only with ultraviolet radiation. Unpolymerized monomer is removed, a second monomer composition is placed in contact with the polymer formed from the first monomer composition and the latter is polymerized by ultraviolet irradiation or by other means to obtain a composite article which is then machined to form a hybrid lens.

Abstract: A sectional liner for use on the interior of a ball mill liner or rotary pulverizer. The sectional liner has a rubber base that is undulating or sinuate in contour. Means are provided in the rubber base to facilitate the securing of the base to the shell of a ball mill. The rubber base may or may not be covered with a layer of fiberglass which in turn is covered with an exterior surface of polyurethane. Ceramic tiles are embedded in the polyurethane being aligned in rows with a clearance space between the tiles filled with polurethane. The ceramic tiles, polyurethane, and rubber are all bonded together during the cure cycle to form a one piece replaceable sectional liner for ball mills.

Abstract: A plastic molding, such as a key top with signals or letters appearing on its face, has a first part molding having projections formed at its top defined an enclosed area. A second part molding of a color other than that of the first part molding is adhered to the surface of the first part molding in a manner permitting the ends of the projections to be exposed. The first part molding has a plurality of through holes formed in mesh configuration. At least one of the projections corresponds to at least one of the through holes. The second part molding is adhered to the first part molding to be buried in the plastic material of the second part molding. Part of the plastic material of the first part molding is filled into the enclosed area via the through holes. In a method of making such plastic molding, an inner member of the mold die may be used commonly regardless of the sign or letter provided in the plastic molding.

Abstract: Resin pieces having a fat color corresponding to fat meats are molded and placed in a female mold. Resin having a lean meat color is pured in the female mold, and solidified resin is taken out from the mold.

Abstract: An information carrier such as a push-button switch consists of a silicone elastomer. The information carrier has an a label-carrying surface in which there is embedded a printing ink having a vulcanizing mechanism similar to that of the silicone elastomer. The ink and silicone elastomer are vulcanized to form the ink into a pattern on the label-carrying surface. The label-carrying surface having the pattern embedded therein constitutes a non-glossy surface of a predetermined roughness. Also disclosed are a method and apparatus for manufacturing the information carrier by printing the printing ink on a transfer plate, which has a roughness of several microns, followed by half vulcanization to embed a pattern which is manifested by the printing ink into the label-carrying surface of the information carrier.

Abstract: A process of making slabs for use as table tops, or other decorative purposes, comprising an array of individual stones arranged in mosaic patterns. A base of hard, essentially nonwarping wood is cut to the desired outline of the final slab and supported on a spacer member in a horizontal position above the level of a work surface. Border stones are placed upon the work surface to extend upwardly therefrom a predetermined, uniform distance essentially even with the surface of the base about the periphery thereof, and mosaic stones are arranged in a desired pattern within the border stones. A flexible constraining member is placed about the border stones and a layer of polyester resin in liquid state is poured over the mosaic and border stones to fill the interstices and to bond the stones to the wood base. After the resin hardens the exposed surfaces of the stones are polished and excess resin removed by buffing.

Abstract: A process for the manufacture of an optically transparent device of a selected size and shape and thickness, and having a first distinct portion (44) which is colorless, and a second distinct portion (46) which is of a selected color is disclosed. The process includes providing an injected molding cavity (14) of the selected size, shape and thickness, which cavity may be selectively opened and closed. The cavity is opened (10), and while in the open state, a sheet or film of material (48) is secured (52) to a distinct portion (46) of the cavity (14). The cavity is then closed (54) and a body material is then injected into cavity (14) at a selected temperature and pressure such that the device is formed. The body material has a characteristic such that when injected in the cavity (14) the first portion (44) of the device is formed colorless and transparent, and the second portion (46) of the device is formed and bonded to sheet (48) such that the second portion ( 46) is transparent and has the selected color.

Abstract: A mold includes relatively movable mold sections which defines multiple cavities and a space between two of the mold sections when the mold is open. The plurality of flexible strips each carrying a heat responsive transfer material are directed through the space and are clamped adjacent the mold cavities when the mold is closed. A plastics material is injected into the cavities to form the articles and to engage the transfer material to form predetermined artwork on the articles within the cavities. When the mold is open, the articles are removed, the strips are pulled through the space to advance new transfer material to the mold cavities, and the cycle is repeated. In one embodiment, the strips carry the transfer material at longitudinally spaced intervals in the form of the desired artwork, and in another embodiment, the artwork is formed by a template attached to the movable mold section adjacent the cavities.

Abstract: In production of artificial material for keys of musical instruments from two or more sorts of casein compositions of different colors, an oriented sheet including linear bodies made of at least one sort of casein composition and arranged in a given orientation is subjected to heat pressing followed by folmalin hardening in order to develop flowing deep stripes and massy impression on the product very close to natural ivory.

Abstract: The invention discloses a method for injection molding a composite parison comprising the following first and second steps:a first step wherein neck molds mounted on a transport plate and a mold for a parison neck or an outer layer of the neck are brought together at a first molding station and molten resin is injected into a cavity formed in the neck mold to mold the outer layer of the neck of the parison, anda second step wherein said outer layer of the neck together with the neck molds are transported to a second molding station, the neck molds, the mold for the main parison portion and core molds are brought together at said second molding station while holding the outer layer of the neck to form continuous cavities extending over the inside of the outer layer of the neck, and molten resin different from the first mentioned molten resin is injected into said cavity to mold the main parison and at the same time mold an inner layer of a neck which is integral with said main parison portion and deposited wit

Abstract: A process for the preparation of soap articles containing dried shapes also formed of soap, comprises the steps of placing on the bottom of a cylindrical frame a supporting base transparent soap which has been cooled to solidification but has not been dried as yet, said base having a height lower than that of said frame; fixedly placing a dried shape(s) of colored soap on said supporting base; pouring in said frame a dough of transparent soap which may or may not be colored, and put into a molten state by heating, followed by cooling thereof to solidification; and removing the thus solidified transparent soap with said supporting base from said frame, followed by drying thereof. Instead of using the base, use may be made of one or plural needles.

Abstract: A method of molding stone-faced pillars comprising attaching stone pieces onto a wooden base, covering the surface of said base, not covered by the stone pieces, with Plaster-of-Paris, spraying numerous coatings of latex rubber on the entire base and stone pieces of the pillar and spraying numerous coatings of liquid base fiberglass on said coatings, peeling off said coatings, and laying them in right angular relationship in a right angular mold and finally pouring wet cement onto the stone-faced portions to reproduce the stone faced pillar model.

Abstract: A synthetic-resin-made container having ornamentation is formed by forming a flexible and ornamented tubular member and inserting it into an outer sleeve, disposing the sleeve in a molding die to define an annular space inside the tubular member, and injecting molten resin into the space and then solidifying the resin to form an inner sleeve which is fused with the outer sleeve at both ends thereof, thereby hermetically sealing the tubular member therebetween.

Abstract: A decorative emblem is formed by insertion of a decorative foil shape into a preformed bezel and encapsulating and bonding the foil to the bezel with a fluent, curable plastic material. After an initial casting of a measured amount of plastic onto the base of the bezel, the foil is inserted and seated. A second cast of plastic forms a cap contiguous with the sides of the bezel and encapsulates the foil and bonds it within the bezel. Upon curing, the plastic cap gives a lens effect to the decorative emblem. The emblem may be equipped with attachment means for fastening it to an automobile, appliance, or other object. In alternative embodiments, a decorative foil shape is placed directly onto the base of the bezel, and a fluent, curable plastic material is cast thereon. As the plastic material cures, it migrates around the edges and under the foil to at least partially encapsulate the foil and bond it within the bezel.

Abstract: An improved apparatus and method are disclosed for forming molded plastic articles, such as support devices, having wooden or otherwise fibrous backing members bonded thereto. The apparatus includes an injection molding machine within which the molded plastic articles are formed. Continuous strips of backing material are provided, and are drawn through the apparatus by a novel feed roller mechanism which is intermittently operated in synchronization with the cyclical operation of the injection molding machine. A punch and die mechanism associated with the molding die assembly of the injection molding machine severs discrete backing members from the continuous strip of material, and thereafter advances the severed backing members to a portion of the periphery of the one or more molding cavities defined by the molding die assembly of the machine.

Abstract: A plastic molding, such as a key top with signs or letters appearing on its face has a first part molding having projections formed at its top defining an enclosed area. A second part molding of a color other than that of the first part molding is adhered to the surface of the first part molding in a manner permitting the ends of the projections to be exposed. The first part molding has a plurality of through holes formed in mesh configuration. At least one of the projections corresponds to at least one of the through holes. The second part molding is adhered to the first part molding to be buried in the plastic material of the second part molding. Part of the plastic material of the first part molding is filled into the enclosed area via the through holes. In a method of making such plastic molding, an inner member of the mold die may be used commonly regardless of the sign or letter provided in the plastic molding.

Abstract: Novel thin flexible decorative colored cementitious veneers of about 5 to 60 mils in thickness, useful in wall coverings, floor coverings and on ceilings; and methods of producing said thin decorative cementitious veneers wherein printing, embossing and casting are performed simultaneously. The basic method comprises the steps of placing a wet cloth on a mold engraved with a design followed by placing a plastic cement mix on said wet cloth to simultaneously form a casting and a temporary cloth mold which is the exact copy of the original mold, immediately removing the plastic cement casting together with the temporary cloth mold from the original engraved mold before it sets, thereby making the original mold immediately available for the next casting, removing the temporary cloth mold from said plastic cement casting before it sets, and air curing said casting while being stored.

Abstract: A method of manufacturing a raised relief, illuminated globe includes printing a hemispherical map design on a flat vinyl plastic sheet, forming the vinyl plastic sheet into a substantially hemispherical shape, positioning the hemispherically formed sheet in a mold cavity, positioning a mold core on the back side of the sheet, injection molding a styrene backing for the hemispherical shaped sheet to conform the sheet with the mold cavity including relief areas defined in the cavity wall, and removing the molded hemisphere from the mold. A second molded hemisphere is produced in substantially the same manner and is attached to the first hemisphere to form a complete globe. The printed map design of the globe is positioned in the mold cavity to insure that the relief areas are properly positioned with respect to the design.

Abstract: Disclosed is a transparency, a method for forming it and a photographic mask having variations in optical density corresponding to deviations of a surface contour from a plane of an original surface. The transparency is a composite two layer, transparent, preferably resinous structure with a contoured interface between the layers. The transparency may be made by forming a first conformed transparent layer on the contoured surface of a substrate. A second conformed transparent layer is then formed on the contoured surface of the first transparent layer. One of said first or second transparent layers is uniformly colored, the other of said layers may be uncolored, or have a less intense, uniform, similar, or different color. Each of the layers has a refractive index substantially equal to that of the other layer at all points. Light may be passed through the transparency in substantially unrefracted rays, and in amounts related to the thickness of the most intensely colored layer.

Abstract: Decorations resembling stained glass miniatures which release perfume into the atmosphere are manufactured from perfume-containing thermoplastic resin compositions and multiple-opening frames. The method of filling the resin composition into the openings of the frames provides a secure interlock between the filled resin and the ribs of the frames, and in a preferred procedure, the bottom surface of the filled resin is clarified to improve the transparency of the filled resin, which is preferably employed in multiple colors.

Abstract: Method for making a wheel composed of a rigid plastic inner section forming the wheel hub and rim and a resilient plastic tire section encircling the rim. A key formed integrally with the rim extends radially outward therefrom and interlockingly projects into the tire so as to mechanically connect the tire to the rim all around the wheel. The key can be formed with axially extending portions spaced radially outboard of the rim and terminating flush with the outer surface of the tire section so as to provide colored side wall decorations at one or both sides of the wheel. A method of molding the tire directly onto the discoid section is also disclosed.

Abstract: An article of manufacture, including a substrate provided on its top surface with an integrally formed, raised, peripheral edge providing at least a portion of a mold; and a body of substantially transparent composition received within said mold and adhered to the substrate, the composition formed into a dome shape to provide a magnifying lens effect to the top surface. A method of manufacturing an article of manufacture, including the steps of: providing a substrate on its top surface with an integrally formed, raised, peripheral edge providing at least a portion of a mold; depositing an amount of substantially transparent composition in substantially liquid form into the mold and allowing the composition to flow outwardly to the peripheral edge to form a positive meniscus; and curing the composition to harden the composition into a dome shape to provide a magnifying lens effect to the top surface.

Abstract: A molded base, for example, a cabinet of a radio receiver, is molded with a synthetic resin and at least one display element made of, for example, a metal, is embedded in the molded base so as to expose one surface of the element. The surface of the display element is then covered with a finish coating to form a substantially uniformly coated layer. The coating on the surface portion of the embedded display element and further at least a portion of the surface of the display element is subjected to mechanical treatment so that the material surface portion is exposed on the display element, whereby the molded base is provided with an aesthetic and decorative display thereon.

Abstract: A process for the production of a compound bar of soap, said bar comprising a primary piece of soap and at least one secondary piece of soap embedded therein, is disclosed. The process comprises (a) extruding the primary piece and each secondary piece at an extrusion temperature, (b) forming at least one cavity in the surface of the primary piece adapted to receive at least one of the secondary pieces, (c) cooling each secondary piece to a cooled temperature, and (d) embedding at least one secondary piece in the cavity. It is a feature of this invention that, under the embedding conditions, the primary piece has a sufficiently low viscosity to permit flow, and the secondary piece has a sufficiently high viscosity to substantially prevent flow.

Abstract: A method for producing a shoe sole, which comprises forming in a bottom surface of a cavity of an outer mold of the sole forming mold a groove for forming a ridge which is to divide said bottom surface into at least two sections, charging a sole forming materials into said cavity such that respective materials will be supplied into the adjoining two sections, closing the cavity with the press plate of said mold, and then compressing and heating the cavity.

Abstract: A process for the reproduction of oil painting and the like, having a relief surface, using a relief mold taken from the original and a thermoplastic foil, imprinted with a color picture corresponding to the original, the foil being molded while being heated and which includes placing the foil upon the relief mold in a fitting alignment and heating the foil essentially homogeneously to its liquefying temperature across its entire surface.

Abstract: A method for forming and selectively decorating a molded resin panel 10 begins with vacuum forming an applique 15 of decorative resin material and fitting applique 15 in an injection molding cavity. Base 11 is then injection molded to applique 15, and a mask 20 is formed to fit over applique 15. A decorative coating 18 is applied over the panel regions not covered by the mask. A resin undercoating 17 is applied under decorative coating 18 which is covered with a top coating 19 of clear resin material.

Abstract: Formation of an optical design pattern in an article of polyethylene terephthalate by utilizing the property of polyethylene terephthalate to become crystallized and whitened upon slow cooling and the fact that cooling of a plastic article molded within a mold advances from the surface portion of the article in contact with the surface of the mold toward the wall of the article. Based on this theory, a desired portion of the wall of an article of polyethylene terephthalate is whitened by properly controlling the degree and speed of cooling of the polyethylene terephthalate article in the mold to cool it slowly. The whitened portion in the wall is developed as an optical design pattern that can be viewed from outside. The whitened optical design pattern developed by the aforesaid technique can be made more distinct by heat treatment and stretching treatment.

Abstract: Lined articles having an outer plastic layer of transparent or translucent plastic and a decorated inner plastic layer so that the decoration is visible through the outer layer. The article is prepared by decorating a plastic liner and molding a transparent or translucent plastic around the decorated liner.

Abstract: A method for labelling a histological specimen, wherein such specimen is embedded in a paraffin block along with an integral set of supported elongated elements identifying such specimen for subsequent sectioning on a microtome. The identification elements are sectioned concurrently with the specimen, so as to form an integral part of the section.

Abstract: A process for making a plastic record including the ordered steps of placing a cake of transparent moldable plastic in a record press having grooves for impressing sound grooves into the plastic, placing on opaque sheet of material having a picture printed thereon on at least one side onto the cake in the record press, placing a transparent moldable plastic on top of the opaque sheet of material and pressing the combined cake, sheet and transparent plastic in the record press whereby a transparent record having a picture and sound grooves contained therein is formed.

Abstract: A process for manufacturing a molded outer covering, comprising the steps of mixing two or more powder resin materials having different colors at a desired mixing ratio to prepare a powder mixture, and then heating the powder mixture in a preheated molded die, so that the powder mixture melts, resulting in a formation of a molded product having a pepper and salt pattern on the outer surface thereof.