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| Number | Title | Issue Date |
| 7784765 | Mold, method for producing the same and magnetic recording medium There is provided a mold which contains at least two electroforming layers, wherein the mold has a concavo-convex pattern on a surface thereof, and the electroforming layers include at least two adjacent layers having the same crystal orientation. ... | 08/31/2010 |
| 7648117 | Injection mold assembly A cavity is formed between stationary and movable mold members, and a runner is connected to a gate to the mold cavity to supply a molten resin material thereto. The stationary and movable mold members have bodies of an aluminum alloy of high heat conductivity and l... | 01/19/2010 |
| 7377477 | Product forming molds and methods to manufacture same Product forming molds have surfaces conformally coated with a coating composite comprising superabrasive particles. In one embodiment, the mold surface is plated (electrolessly or electrolytically) or coated with a metal having superabrasive particles dispersed ther... | 05/27/2008 |
| 7220116 | Injection moulding mould part with wear-resistant coating Injection moulding mould part consisting of a mirror and a venting ring that can be moved with respect thereto. A wear-resistant coating has been applied to the mirror and/or the interface between the two parts that can be moved with respect to one another. This coa... | 05/22/2007 |
| 7178780 | Composite coating for mold insert and method for making a coated mold insert A mold used to form a magnetic member includes a mold body having a mold opening, a mold support that supports the mold cavity, and a mold insert. The mold insert is disposed in the mold opening of the mold body to form a mold cavity. The mold insert is coated with ... | 02/20/2007 |
| 7124994 | Silicon micro-mold The present invention describes a method for rapidly fabricating a robust 3-dimensional silicon-mold for use in preparing complex metal micro-components. The process begins by depositing a conductive metal layer onto one surface of a silicon wafer. A thin photoresis... | 10/24/2006 |
| 6861021 | Molding tool construction and molding method An molding apparatus useful for molding polymer compositions includes a substrate; a first insulating layer having an electrical resistivity of at least about 1010 ohm-centimeters and thermal conductivity of about 0.2 to about 5 watts/(meter-kelvin); a he... | 03/01/2005 |
| 6613266 | Method of manufacturing molds, dies or forming tools having a porous heat exchanging body support member having a defined porosity Described are molds, dies and forming tools comprising: a) a heat exchanging body support member; and b) within the support member, a molding cavity portion formed by thermal spraying metallic particles to a desired configuration in the support member. Al... | 09/02/2003 |
| 6591636 | Material and method for coating glass forming equipment An oxidation and corrosion resistant coating is applied to glass forming equipment by physical vapor deposition. The coating material is preferably aluminum oxide.... | 07/15/2003 |
| 6523804 | Metallic building element for optoelectronics A method of patterning metallic building elements, and also to a metallic building element, where the measuring accuracy achieved can lie in the sub-micrometer range is disclored. Starting from a silicon master or original that can be etched to sub-microm... | 02/25/2003 |
| 6499715 | Resin mold A resin mold has a surface layer formed on the molding surface of a main body from a thermosetting resin and containing fine particles of silicon carbide. The surface layer can be formed simply by thermosetting the resin without calling for any plating, s... | 12/31/2002 |
| 6406732 | Enhanced confectionery molding Methods are disclosed for rapidly molding chocolate products.... | 06/18/2002 |
| 6119485 | Press-molding die, method for manufacturing the same and glass article molded with the same A press-molding die comprises a base material, an intermediate layer formed on a surface of the base material and a protective layer formed on the intermediate layer. The base material comprises an inorganic oxide. The intermediate layer comprises a mater... | 09/19/2000 |
| 6099289 | Forming mold cavities A method for producing a multiplicity of miniature cavities extending from a mold surface for molding a plastic product having features integrally molded with and extending from a product base, and a mold so produced. The mold cavities are formed by depos... | 08/08/2000 |
| 6009728 | Die for press-molding optical elements A die for press-molding glass optical elements comprising (a) a base material having heat resistance and sufficient strength to withstand press-molding of optical glass elements; (b) a film on said base material comprising an alloy film containing B and o... | 01/04/2000 |
| 5958469 | Method for fabricating tools for molding diffractive surfaces on optical lenses A method for producing diffractive optic molding tools with improved durability is accomplished by depositing a layer of chromium carbide on a substrate material. This layer of chromium carbide becomes the receptor for a final machinable coating such as e... | 09/28/1999 |
| 5783259 | Method of manufacturing molds, dies or forming tools having a cavity formed by thermal spraying Described are molds, dies and forming tools comprising: a) a heat exchanging body support member; and b) within the support member, a molding cavity portion formed by thermal spraying metallic particles to a desired configuration in the support member. Al... | 07/21/1998 |
| 5762974 | Die plate for press-molding of refractory bricks A plate for press-moulding dies of refractory bricks and the like, including a bearing metal slab to one face of which a lining of high wear-resistant material, normally hard metal, is applied, which is formed by a number of adjacent tiles arranged in an ... | 06/09/1998 |
| 5756130 | Stamper for producing recording medium There is provided a stamper for producing a recording medium exhibiting excellent durability and capable of stably forming projections and pits and a method of producing the stamper. A stamper for producing a recording medium comprising projections and pi... | 05/26/1998 |
| 5750160 | Nickel shell door molds and method of forming same A method of forming a nickel shell for a mold insert to reproduce an article surface, and a novel nickel shell insert are disclosed. The method comprises securing the article to be reproduced to a base having a perimeter, forming a dam about the perimeter... | 05/12/1998 |
| 5746966 | Molds, dies or forming tools having a cavity formed by thermal spraying and methods of use Described are molds, dies and forming tools comprising: a) a heat exchanging body support member; and b) within the support member, a molding cavity portion formed by thermal spraying metallic particles to a desired configuration in the support member. Al... | 05/05/1998 |
| 5702735 | Molding arrangement to achieve short mold cycle time An apparatus for molding polystyrene mold halves which are used, for subsequent molding of a soft contact lens. The apparatus is designed with superior heat conduction capacity so as to minimize the molding cycle time, while simultaneously producing unifo... | 12/30/1997 |
| 5700307 | Die for press-molding optical elements A die for press-molding glass optical elements which can press-mold glass optical elements having high melting points and various shapes repeatedly, which includes a base material having high strength on which a cutting layer having heat resistance and fr... | 12/23/1997 |
| 5653907 | Lightweight thermally responsive mold for resin transfer molding A lightweight thermally responsive mold for use with a resin transfer molding process is provided. The mold includes first and second support frames including a plurality of upstanding intersecting support ribs. First and second substrates are supported b... | 08/05/1997 |
| 5609922 | Method of manufacturing molds, dies or forming tools having a cavity formed by thermal spraying Described are molds, dies and forming tools comprising: a) a heat exchanging body support member; and b) within the support member, a molding cavity portion formed by thermal spraying metallic particles to a desired configuration in the support member. Al... | 03/11/1997 |
| 5453173 | Process for manufacturing a three-dimensional electroformed mold shell A three-dimensional electroformed shell for a mold consists of a three-dimensional thin-walled body, and an electroformed coating deposited on it. The coating may, or may not close the base holes of the thin-walled body completely. If it does not close th... | 09/26/1995 |
| 5431873 | Tire mold and process for making the mold The tire mold having a surface 5 of open porosity which covers at least in art certain of the molding surfaces 10 and 20 in order to assure the venting of the mold.... | 07/11/1995 |
| 5388803 | Apparatus for producing textured articles A multilayered insulated mold structure for forming textured articles is disclosed. An insulation layer is deposited on the mold core and a multilayered skin layer is deposited on the insulation layer. The skin is formed of a plurality of sublayers, inclu... | 02/14/1995 |
| 5376317 | Precision surface-replicating thermoplastic injection molding method and apparatus, using a heating phase and a cooling phase in each molding cycle Improved optical disks for information storage and holographic imaging, and optical lenses and reflective optical elements are among the difficult-to-mold thermoplastic products which require precision replication of the molding surfaces, in micro detail.... | 12/27/1994 |
| 5246787 | Tool or instrument with a wear-resistant hard coating for working or processing organic materials A coated tool or instrument has a wear-resistant hard coating (7) which is preferably titanium nitride for working organic material which is disposed on a separating layer (9) applied on a basic body (3). The separating layer (9) comprises a ceramic elect... | 09/21/1993 |
| 5234633 | Cast molding die and process for producing information recording medium using the same There is provided a cast molding die for an information recording medium, having a mold surface with a prescribed unevenness pattern including a projection; wherein the projection has at least one pair of opposite side slopes each of which forms an acute ... | 08/10/1993 |
| 5185162 | Corrosion and wear resistant bimetallic cylinder A bimetallic cylinder of steel having an alloy inlay which includes chromium boride in a matrix of iron alloy containing carbon, silicon, nickel and copper. The chromium boride imparts wear resistance to the inlay and relatively high contents of chromium,... | 02/09/1993 |
| 5176839 | Multilayered mold structure for hot surface molding in a short cycle time A multilayered insulated mold structure is provided. An insulation layer provided on each of the mold cores retains heat at the molding surface, thereby increasing surface quality of the finished part. The insulating layer has a varying density across its... | 01/05/1993 |
| 5041247 | Method and apparatus for blow molding parts with smooth surfaces A multilayer mold for use in blow molding parts within short cycle times is provided. The multilayer mold has a hard skin layer, an insulating layer and a base containing cooling means. The transient temperature increase of the skin layer of the mold as a... | 08/20/1991 |
| 4915609 | Sintering device for blanks of foamable plastics with undercuts A sintering device includes separable mould walls which together define a mould cavity and a mould core which is positioned within the cavity to define an undercut mould surface. The core includes a hollow frusto-pyramidal central support formed with guid... | 04/10/1990 |
| 4863661 | Resin molding process employing a mickel-based alloy liner A method of producing cylindrical objects with one or more lobes in which the bore surfaces are completely protected by a surface layer of abrasion resistant and/or corrosion resistant alloy and which protective layer is free of any contamination by the m... | 09/05/1989 |
| 4725034 | Forming mold apparatus A forming mold main body made of a first platelike member defining a forming mold surface of a predetermined shape and a second platelike member joined air-tightly at least at circumferential portions to the first member to define therebetween a jacket fo... | 02/16/1988 |
| 4721518 | Mold for press-molding glass elements A mold for press-molding glass elements comprising a base member made of a super hard alloy or a cermet; at least one intermediate layer made of a nitride, a carbide, an oxide or a metal, provided on the base member; and a noble metal layer provided on th... | 01/26/1988 |
| 4690370 | Rhodium coated mold A novel coating (34) is provided on a member (24) which may be part of a mold (24). Plastic articles (10) which are made by injection molding within such a mold (24) can have a very smooth surface by replication of the surface coating (34). This allows th... | 09/01/1987 |
| 4685948 | Mold for press-molding glass optical elements and a molding method using the same A glass optical element is directly press-molded by a method using a noble mold. The mold comprises a base material and a press surface film formed on the base material. The press surface film is an Ir film, or a Ru film, or an alloy film comprising Ir an... | 08/11/1987 |
