Metal Mold Patents (Class 427/135)
  • Patent number: 10002727
    Abstract: An illuminated metal keycap having a legend diffuser material that may diffuse light through a legend opened in a background layer. The background layer may be opaque and the legend may be transparent. The metal keycap is adhered to a scissor mechanism positioned above electrical switch circuitry. Included within, below, or adjacent to the scissor mechanism may be one or more light sources positioned to emit light through the metal keycap, around the perimeter of the metal keycap, and/or through the background layer.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: June 19, 2018
    Assignee: APPLE INC.
    Inventors: Hilbert T. Kwan, Jeffrey L. Yen, Craig C. Leong, James J. Niu, Keith J. Hendren, Yanyang Yuan, Feng Zhao, Wanshan Li, Derrick T. Jue, Ze Hong
  • Patent number: 9604390
    Abstract: Disclosed herein, amongst other things, is a component of a molding system, and a related method for the manufacture thereof, that has a body with a support matrix defined in at least a portion thereof.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: March 28, 2017
    Assignee: Husky Injection Molding Systems Ltd.
    Inventors: Adrian Peter Looije, Sami Samuel Arsan, James Osborn Plumpton
  • Patent number: 9347135
    Abstract: A method for rust-proofing a mold, which is capable of reducing the time and the cost required for rust-proofing the mold. The method includes an iron hydroxide-forming step for forming iron hydroxide on a predetermined part of the surface of the mold, and a surface-treating step for forming a film covering the molding surface of the mold, and for changing the iron hydroxide formed on the mold into black rust, by heating the mold, under an oxygen-deficiency atmosphere, on which the iron hydroxide is formed in the iron hydroxide-forming step.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: May 24, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ikuo Yamauchi, Yuichi Furukawa
  • Patent number: 9034567
    Abstract: Provided is a method for manufacturing a liquid crystal display device that includes a photoalignment film. The photoalignment film is formed from a liquid crystal alignment agent, and aligns liquid crystal molecules horizontally to the main face of the at least one of the substrates. The liquid crystal alignment agent contains a solvent and at least two kinds of polyamic acids or their derivatives obtained by reacting diamine and tetracarboxylic dianhydride. At least two of the diamines and at least one of the tetracarboxylic dianhydrides are compounds represented by predetermined formulas. The method includes the steps of: (1) forming the film of the liquid crystal alignment agent; (2) pre-baking the film; (3) irradiating the pre-baked film with light; and (4) post-baking the irradiated film, the step (4) including an operation of post-baking the film multiple times at temperatures ranging from low to high temperatures.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: May 19, 2015
    Assignees: Sharp Kabushiki Kaisha, JNC Corporation
    Inventors: Isamu Miyake, Hiroaki Asagi, Toshihiro Matsumoto, Koichi Miyachi, Youichiro Ooki, Fumitaka Kondo
  • Publication number: 20150102202
    Abstract: The present invention provides a heat insulated mold having a zirconia insulated layer, the deterioration of which is effectively limited or prevented. The present invention relates to a heat insulated mold having a heat insulating layer between a metal mold base material and a metal film forming a molding surface, wherein: (1) the insulating layer contains zirconia; and (2) a water-blocking layer for blocking entrance of water from the metal film to the heat insulating layer is provided between the heat insulating layer and the metal film.
    Type: Application
    Filed: May 19, 2014
    Publication date: April 16, 2015
    Applicant: KOBE CERAMICS CORPORATION
    Inventors: Hideo Torii, Takayoshi Suzuki
  • Patent number: 9005500
    Abstract: When extrusion of a molten resin by means of an extruder is started, a simple polyetherimide resin is melt extruded from a lip portion 7a of a T-die 7, and a film of the simple polyetherimide resin is molded. The molding material is then switched to a resin composition including the polyetherimide resin and a fluorine resin and then a film of the resin composition is continuously extruded and molded from the T-die 7. Having been covered with a very thin film 8a of the simple polyetherimide resin, on a flow passage face of the lip portion 7a of the T-die 7, a resin composition layer 8b including a polyetherimide resin and a fluorine resin, which has affinity with the film 8a, is then formed at a center part.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: April 14, 2015
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Michimasa Ote, Takashi Gonda, Junya Ishida, Kenro Takizawa, Kazuhiro Suzuki, Yuzo Morioka
  • Publication number: 20150064049
    Abstract: A method and apparatus for removing a canister 12 from a component 18 by forming an opening 30 in the canister wall thickness 14, 16 and introducing a pressurised fluid into the opening 14, 16 causing hydrostatic pressure build up between an internal canister surface 14 and the component 18, leading to the removal of the canister 12. This method and apparatus obviates the need to expend significant machining or chemical processing to remove the canister 12.
    Type: Application
    Filed: September 3, 2014
    Publication date: March 5, 2015
    Inventors: John Harold BOSWELL, Daniel CLARK
  • Publication number: 20150021826
    Abstract: A method of preparing an aluminum mold for injection molding is provided, the method comprises the steps of providing an aluminum mold having a least one surface, subjecting the at least one surface to a gas or liquid phase silane to thereby form an anti-stiction coating, the anti-stiction coating comprising a chemically bonded monolayer of silane compounds on the at least one surface wherein the silane is a halogenated silane. The at least one surface coated with the anti-stiction coating may be configured to withstand an injection molding process at a pressure above 100 MPa. Furthermore, a mold having at least one closed cavity is provided, at least one surface of the at least one cavity being an aluminium surface coated with a silane based coating layer. The resistance of the coated aluminium mold is significantly improved by applying a silane-based coating layer.
    Type: Application
    Filed: March 8, 2013
    Publication date: January 22, 2015
    Inventors: Rafael Taboryski, Jiri Cech
  • Publication number: 20150017323
    Abstract: Railcar coupling knuckles having areas of improved structure, improved surface characteristics, and reduced stress under loading, and systems and methods for shot peening railcar components such as, but not limited to, coupling knuckles. Such shot-peening systems and methods may include robotic and/or fixed-position shot-peening devices equipped with shot-emitting mechanisms for expelling shot media against desired areas of a railcar component.
    Type: Application
    Filed: July 12, 2013
    Publication date: January 15, 2015
    Applicant: Columbus Steel Castings Company
    Inventors: Richard Ruebusch, Joseph Patterson
  • Publication number: 20140370138
    Abstract: A method of reducing the friction between the wall(s) of a mold and the outer wall(s) of a metal container fitting snugly in the mold and containing a metal ammine complex salt which is uniaxially compacted within the container, comprises a) treating or covering the inner wall(s) of the container with a lubricant before the metal ammine salt is filled into the container, or b) mixing a solid lubricant with the metal ammine salt to be filled into the container is, or c) treating or covering a gas-permeable enclosure made of a flexible material and wrapped around the solid metal ammine salt with a lubricant before the solid metal ammine salt wrapped into the envelope is filled into the container, or a combination of a) and b) or a) and c). A lubricated container and a lubricated enclosure each containing a metal ammine salt is also disclosed.
    Type: Application
    Filed: January 23, 2013
    Publication date: December 18, 2014
    Applicant: AMMINEX EMISSIONS TECHNOLOGY A/S
    Inventors: Ulrich Joachim Quaade, Louise Møller Borregaard
  • Patent number: 8895102
    Abstract: A method of treating a surface of a mold that includes supplying a fullerene into an amorphous carbon layer that covers the surface of the mold and heating the amorphous carbon layer to at least 400° C. while covering a surface of the amorphous carbon layer with a covering member.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: November 25, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Yuichi Furukawa
  • Publication number: 20140328967
    Abstract: A method for creating a mold for an optical connector includes a main body and a film, the film is a compound of aluminum oxide and hexamethyldisilazane providing a non-stick and hard surface. The main body defines a cavity therein and the surfaces of the cavity are coated with the film.
    Type: Application
    Filed: April 30, 2014
    Publication date: November 6, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIA-LING HSU
  • Publication number: 20140308384
    Abstract: A molding roller includes a cylindrical main body and a film. The main body includes a circumferential surface. A number of microstructures formed on the circumferential surface. The film is formed on the circumferential surface and the microstructures. The film is made of silicon carbide mixed with Diamond-like Carbon. The contact angle of water droplet of the film is larger than 120 degrees.
    Type: Application
    Filed: February 28, 2014
    Publication date: October 16, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIA-LING HSU
  • Publication number: 20140302233
    Abstract: A molding roller includes a roller body and a molding film. The roller body includes a substantially cylindrical surface. The molding film is coated onto the cylindrical surface and includes a molding surface facing away from the cylindrical surface. A micro-structure pattern is formed on the molding surface. The molding film is made of a polymer material including a PDMS and a number of SiO2 nano-particles permeating in a network structure of the PDMS.
    Type: Application
    Filed: October 31, 2013
    Publication date: October 9, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIA-LING HSU
  • Patent number: 8851442
    Abstract: The invention is directed to a patterned aerogel-based layer that serves as a mold for at least part of a microelectromechanical feature. The density of an aerogel is less than that of typical materials used in MEMS fabrication, such as poly-silicon, silicon oxide, single-crystal silicon, metals, metal alloys, and the like. Therefore, one may form structural features in an aerogel-based layer at rates significantly higher than the rates at which structural features can be formed in denser materials. The invention further includes a method of patterning an aerogel-based layer to produce such an aerogel-based mold. The invention further includes a method of fabricating a microelectromechanical feature using an aerogel-based mold. This method includes depositing a dense material layer directly onto the outline of at least part of a microelectromechanical feature that has been formed in the aerogel-based layer.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: October 7, 2014
    Assignee: Honeywell International Inc.
    Inventor: Robert J. Carlson
  • Publication number: 20140287137
    Abstract: A method for rust-proofing a mold, which is capable of reducing the time and the cost required for rust-proofing the mold. The method includes an iron hydroxide-forming step for forming iron hydroxide on a predetermined part of the surface of the mold, and a surface-treating step for forming a film covering the molding surface of the mold, and for changing the iron hydroxide formed on the mold into black rust, by heating the mold, under an oxygen-deficiency atmosphere, on which the iron hydroxide is formed in the iron hydroxide-forming step.
    Type: Application
    Filed: October 18, 2011
    Publication date: September 25, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ikuo Yamauchi, Yuichi Furukawa
  • Patent number: 8808794
    Abstract: The present invention relates in general to a method of manufacturing fibre-reinforced parts for a wind power plant, such as a blade, in an open mould. More specifically the invention relates to a process step of applying at least one layer of gelcoat on a interior surface of said open mould prior to arranging at least one layer of material comprising fibre and to an arrangement that can be used in performing said method. The process step comprises to apply the gelcoat from a first end portion of the mould and to a second end portion of the mould and to cover the open mould from said first end portion to said second end portion gradually as gelcoat is applied. The arrangement comprises means for applying gelcoat to the interior surface of the mould (1) and a covering means (6) arranged to gradually cover the open mould (1) as gelcoat is applied.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: August 19, 2014
    Assignee: LM Glasfiber A/S
    Inventors: Dennis A. Børsting, Qinyin Zhou, Jacobus Johannes Van Der Zee, Rajkumar Rajamani
  • Publication number: 20140212689
    Abstract: Disclosed are a film with high strength which does not easily deteriorate, and a method for manufacturing the film. A step for manufacturing a film formed on the molding surface of a die, includes an initial film-forming step for forming, on the molding surface of the die, an initial film having a carbon film which has a plurality of nano-carbons, and to which a plurality of fullerenes are applied, and a nitrogen compound layer and a sulfurized layer which are situated between the carbon film and the die, and an intermittent heating step for intermittently heating the initial film formed in the initial film-forming step under a non-oxidizing atmosphere.
    Type: Application
    Filed: September 13, 2011
    Publication date: July 31, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuichi Furukawa, Shuji Sotozaki
  • Publication number: 20140202211
    Abstract: A mold for shaping glass can be made by a method that includes providing a mold body having a shaping surface comprising at least about 90% nickel and modifying the composition of the shaping surface of the mold body by exposing the shaping surface to an oxidizing heat treatment. The oxidizing heat treatment may include a ramping heat treatment, a fixed heat treatment, or both the ramping heat treatment and the fixed heat treatment. The ramping heat treatment may include increasing a heating temperature at a rate from about 20° C./hour to about 500° C./hour to a temperature from about 700° C. to about 1000° C. The fixed heat treatment may include holding the heating temperature from about 700° C. to about 1000° C. for a holding time of at least about 5 minutes.
    Type: Application
    Filed: January 17, 2014
    Publication date: July 24, 2014
    Applicant: CORNING INCORPORATED
    Inventors: Kristen Marie Horn, David Myron Lineman, Kevin Thomas Morris, Wenchao Wang, Kim E. Womer
  • Patent number: 8709315
    Abstract: Provided is a process for making thermoplastic polymer pellets. The process has the following steps: (a) melting a thermoplastic polymer to form a polymer melt; (b) extruding the melt through a die to form a substantially continuous molten polymer extrudate wherein the die has a contact surface bearing a polymer coating having a surface energy of less than 25 mN/m at 20° C.; (c) cooling the extrudate to form a cooled extrudate; and (d) pelletizing the cooled extrudate to form a plurality of polymer pellets. Provided is also a polymer pellet shipping system and a stable thermoplastic polymer pellet.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: April 29, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Andy Haishung Tsou, Mohsen Shahmirzadie Yeganeh, Gregory K. Hall
  • Publication number: 20140093642
    Abstract: Disclosed is a coating material for an aluminum die casting mold and a method of manufacturing the coating material. The coating material includes a CrN bonding layer formed on a surface of a substrate, a TiAlN/CrN nano multi-layer disposed on a surface of the CrN bonding layer, and a TiAlN/CrSi(C)N nano multi-layer disposed on a surface of the TiAlN/CrSiCN nano multi-layer. The coating material for an aluminum die casting mold may maintain the physical properties of a mold under a high temperature environment due to the superior seizure resistance, heat resistance and high-temperature stability of the coating material, thereby extending the lifespan of the mold.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 3, 2014
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Sung-Chul Cha, Dong-Ha Kang
  • Publication number: 20140087067
    Abstract: This invention relates to preparation of a metal mold surface for molding rubber products by plasma jet directed polymer coating, a coated mold for rubber products and production of rubber products. Such rubber products are rubber tires and industrial products, particularly rubber tires.
    Type: Application
    Filed: September 21, 2012
    Publication date: March 27, 2014
    Inventors: Frederic Gerard Auguste Siffer, Jimmy Lee Richards
  • Publication number: 20140085597
    Abstract: A method for producing a mold for a patterned alignment film for three-dimensional display includes: forming a first layer composed of a metal material or an inorganic material; forming a fine linear three-dimensional structure in a surface of the first layer in an approximately constant direction; forming a second layer, composed of a metal material or an inorganic material, on the surface of the first layer after the first three-dimensional structure forming step; a second three-dimensional structure forming step of forming a fine linear three-dimensional structure in a surface of the second layer in an approximately constant direction which differs by 90° from that in the first three-dimensional structure forming step; a resist forming step of forming a resist in a parallel stripe pattern on the surface of the second layer after the second three-dimensional structure forming step.
    Type: Application
    Filed: May 17, 2012
    Publication date: March 27, 2014
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kei Katou, Yosuke Kosaka, Rikiya Yamashita, Mitsumasa Koiwa
  • Publication number: 20140087068
    Abstract: The mold has a mold surface on which is formed as a release film a water-repellent and oil-repellent fluorocarbon-based chemisorbed film having a thickness that is uniform in nanoscale and having a controlled surface energy. As a result, even when a mold has an ultrafine shape on the nanometer scale, the mold allows high precision molding excellent in fluidity and penetrativity of a molding material. In addition, this mold eliminates the application of a release agent and can prevent a release agent from adhering to a molded article.
    Type: Application
    Filed: November 27, 2013
    Publication date: March 27, 2014
    Applicant: EMPIRE TECHNOLOGY DEVELOPMENT LLC
    Inventor: Kazufumi OGAWA
  • Patent number: 8679583
    Abstract: A method of making an antifouling article includes providing a mold having a mold cavity and a mold surface for defining an article. The method also includes applying a mold release material to the mold surface. The method further includes coating the mold surface with a plurality of metallic powder particles comprising an antifouling agent. Still further, the method includes filling the mold with a curable polymeric material. Yet further, the method includes curing the polymeric material and forming an article having a surface defined by the mold surface, the surface of the article having the plurality of metallic powder particles disposed thereon and comprising an antifouling coating.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: March 25, 2014
    Assignee: The Johns Hopkins University
    Inventors: Charles W. Kerechanin, II, Justin S. Morrison, Craig B. Leese, Paul J. Biermann, Ryan J. Forrest, William R. Setzler
  • Patent number: 8657252
    Abstract: A surface-treated mold that includes a mold, a metal layer that is provided on a surface of the mold and contains at least one metal selected from nickel, chromium, tungsten and brass, and a carbon film that is provided on a surface of the metal layer, wherein the metal layer contains carbon, and the carbon concentration in the metal layer is higher between the boundary with the carbon film and the center of the metal layer than that between the boundary with the mold and the center of the metal layer.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: February 25, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuichi Furukawa, Jun Yaokawa, Yasushi Iwata
  • Publication number: 20140044944
    Abstract: Disclosed is a coating material for an aluminum die casting mold and a method of manufacturing the coating material. The coating material includes a CrN bonding layer formed on a surface of a substrate, a TiAlN/CrN nano multi-layer disposed on a surface of the CrN bonding layer, and a TiAlN/CrSi(C)N nano multi-layer disposed on a surface of the TiAlN/CrSiCN nano multi-layer. The coating material for an aluminum die casting mold may maintain the physical properties of a mold under a high temperature environment due to the superior seizure resistance, heat resistance and high-temperature stability of the coating material, thereby extending the lifespan of the mold.
    Type: Application
    Filed: December 18, 2012
    Publication date: February 13, 2014
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Sung-Chul Cha, Dong-Ha Kang
  • Patent number: 8646745
    Abstract: A mold includes: a base; and a contact surface which is provided on the base and which comes into contact with a molten material. The contact surface is provided with a first surface portion that includes a first fiber layer in which first carbon fibers are raised, and a second surface portion having different surface characteristics from the first surface portion.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: February 11, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Jun Yaokawa, Yasushi Iwata, Yoshio Sugiyama, Hiroaki Iwahori, Shuxin Dong, Yuichi Furukawa
  • Publication number: 20140027270
    Abstract: The present invention develops dies, moulds, tools, workpieces and structures with active protection against corrosion (cathodic protection) in cooling circuits, often internal, independent of its complexity. Moreover, the protection can be renewed if considered appropriate. The protection is achieved through a thin coating layer which contains metallic elements more electronegative than the substrate to be protected and which is properly adhered to the mentioned substrate in order to ensure an efficient cathodic protection.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 30, 2014
    Applicant: ROVALMA, S.A.
    Inventor: Isaac Valls Anglés
  • Publication number: 20140023740
    Abstract: A press-forming mold has a protective film for preventing seizing during press-forming formed on at least a forming surface that comes into contact with a formed body. The protective film is formed by PVD. An arbitrary selection section extracted from the surface of the protective film is divided into a plurality of individual sections; and, when the gradient of the surface at the nth division point is represented by (dZn/dXn), taking N to represent the number of divisions, the root-mean-square R?q calculated by the following numerical expression is no greater than 0.032. R ? ? ? ? ? q = 1 N ? ? n = 1 N ? ? ( ? Z n ? X n ) 2 It is thereby possible to improve the seizing resistance of a press-forming mold having a protective film formed by PVD.
    Type: Application
    Filed: April 3, 2012
    Publication date: January 23, 2014
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD), NIPPON KOSHUHU STEEL CO LTD
    Inventors: Takaharu Kashi, Kenji Yamamoto
  • Publication number: 20140011009
    Abstract: A silicon-based coating composition for a wide range of mold surfaces, which composition is formed from a mixture of constituents comprising appropriate portions of silazane, siloxane, and silane, and optionally organic solvent. The composition, after curing, results in an extreme release product that is non-transferable to the finished part, allowing for proper adhesion of coatings or adhesives to the finished surface without additional surface preparation. The cured coatings are ultrathin, having a thickness between 0.1 ?m and 3 ?m, and having a hardness between about 4H and about 9H.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 9, 2014
    Applicant: BURNING BUSH GROUP, LLC
    Inventor: Chris Fish
  • Publication number: 20130224373
    Abstract: A graft co-polymer is provided comprising a vinyl polymeric backbone with grafts of siloxane monomers and monomers containing an anchoring group. Such co-polymers are well suited for coating metal molds. The siloxane groups provide release to the metal mold, while the anchoring groups provide durability to the coating. The durability and release characteristics may be varied by the number of grafts of each monomer and the molecular weight of the siloxane moiety. The co-polymers may be coated from water or organic solvents.
    Type: Application
    Filed: November 2, 2011
    Publication date: August 29, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwalla, Suresh Iyer, Thomas P. Hanschen
  • Publication number: 20130174968
    Abstract: Systems and methods for synthesizing continuous graphene sheets are provided. The systems and methods include passing a catalyst substrate through a heated chemical vapor deposition chamber and exposing the substrate to a reaction gas mixture of hydrogen and hydrocarbon at a preselected location within the chamber. The reaction gas mixture can include hydrogen having a partial pressure of between about 0 Torr and 20 Torr, hydrocarbon having a partial pressure of between about 20 mTorr and about 10 Torr, and one or more buffer gases. The buffer gases can include argon or other noble gases to maintain atmospheric pressure within the chemical deposition chamber. The resulting graphene can be made with continuous mono and multilayers (up to six layers) and have single crystalline hexagonal grains with a preselected nucleation density and domain size for a range of applications.
    Type: Application
    Filed: January 4, 2013
    Publication date: July 11, 2013
    Applicant: UT-Battelle, LLC
    Inventor: UT-Battelle, LLC
  • Publication number: 20130140428
    Abstract: A method for manufacturing a mold core includes the following steps: providing a body having a forming surface; forming an iridium dioxide layer preform on the forming surface to obtain a mold core preform; and reducing iridium dioxide of a surface of the iridium dioxide layer preform into iridium, so that the iridium dioxide layer preform is converted to an iridium dioxide layer and an iridium layer formed on the iridium dioxide layer to obtain the mold core.
    Type: Application
    Filed: September 25, 2012
    Publication date: June 6, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: HON HAI PRECISION INDUSTRY CO., LTD.
  • Patent number: 8449284
    Abstract: An optical element molding die is designed for molding an optical element having a concave-convex structure. The optical element can be manufactured by a wet system that enables element formation over a large area and a curved surface, without using a lithographic process, and is advantageous in terms of mass production and equipment cost. The optical element molding die includes a substrate having a surface with a negative standard electrode potential in the oxidation reaction and an anodic oxidation layer provided on the substrate. A protective layer with the positive standard electrode potential is provided between the substrate and the anodic oxidation layer.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: May 28, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masanobu Ohgane
  • Publication number: 20130129917
    Abstract: The A process for molding a thermoset sheet- molding composition or bulk-molding composition is provided that includes the exposure of a mold surface to a silsesquioxane monomer or pre-polymer material under conditions to induce polymerization of said material or said monomer to form a mold release coating on the surface. The thermoset sheet-molding composition or bulk-molding composition is then injected into the mold and into contact with said coating under conditions to cure the composition to form an article.
    Type: Application
    Filed: July 23, 2012
    Publication date: May 23, 2013
    Inventors: Probir Kumar Guha, Michael J. Siwajek
  • Publication number: 20130119230
    Abstract: Mould tools (10) particularly for use in moulding curable resinous composite materials, such as fibre-reinforced resinous materials, having a body (14) comprising a foamed ferrous/nickel alloy such as FeNi36, FeNi42 and/or FE-330Ni-4.5Co. The body (14) can be made of a single unit or of a plurality of units that would typically be secured together. A tool surface (12) is declined on a tool surface layer (20) of the body (14). The tool surface layer (20) can comprise a cured resinous material.
    Type: Application
    Filed: March 23, 2011
    Publication date: May 16, 2013
    Applicant: UMECO STRUCTURAL MATERIALS (DERBY) LIMITED
    Inventor: Thomas Corden
  • Publication number: 20130122193
    Abstract: A mold half, especially for blow molding of thermoplastic articles, has a mold body defined at least in part by a single piece of aluminum or aluminum alloy mold material having a cavity and a pinch-off or other feature area and further having a metal-matrix composite (MMC) layer formed integrally in the mold body at the pinch-off or other feature area. A mold is fabricated from two mated mold halves. A process of producing a mold half involves machining a single piece of mold material to provide a mold body having a cavity and a pinch-off or other feature area, the pinch-off or other feature area being of smaller dimension than required for the mold half, integrally forming a metal-matrix composite layer in the pinch-off or other feature area to build up the pinch-off or other feature area to at least a dimension required for the mold half. The metal-matrix composite comprises an aluminum-nickel alloy matrix (e.g. AI-12Si alloy alloyed with Ni) having WC particles embedded therein or a aluminum matrix (e.g.
    Type: Application
    Filed: July 21, 2011
    Publication date: May 16, 2013
    Applicants: GARRTECH INC., NATIONAL RESEARCH COUNCIL OF CANADA
    Inventors: Lijue Xue, Shaodong Wang, Yangsheng Li, Tony Paget
  • Patent number: 8425214
    Abstract: The invention relates to a spraying tool, in particular as part of a mold-spraying device for spraying at least one section of a wall of a mold with working medium. In at least one embodiment, the spraying tool comprises a plurality of spraying elements for dispensing working medium, and at least one working-medium supply line which supplies working medium to the plurality of spraying elements. In accordance with at least one embodiment, at least some of the spraying elements, the spraying nozzles of which point downwards during operation, are equipped with a separate valve unit which is adjacent to the spraying nozzle and the valve element of which is prestressed elastically into a closed position in which it prevents the dispensing of working medium, but can be transferred under the action of a hydraulic and/or pneumatic pressure into an open position in which it permits the dispensing of working medium.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: April 23, 2013
    Assignee: AED Automation GmbH
    Inventor: Karl-Heinrich Keim
  • Patent number: 8418744
    Abstract: A molten metal casting die having a modified surface, a method for making such dies, and a method for making articles of manufacture from such dies is disclosed. The methods are designed to protect die steel surfaces having a protective coating from corrosion by molten metals substantially containing liquid copper.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: April 16, 2013
    Assignee: Nonferrous Materials Technology Development Centre
    Inventors: Krishnamurty Balasubramanian, Radha Madhab Mohanty
  • Publication number: 20130078328
    Abstract: Pelletizing ring extrusion dies comprising a die body having a plurality of holes, wherein each hole has surface at least partially coated with a low-friction coating. The low-friction coatings reduce surface temperatures during operation of the dies, which reduces volatilization and inconsistent flow of the material being extruded. The pelletizing ring extrusion dies possess improved tool life due to the low-friction coatings.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 28, 2013
    Applicant: Kennametal, Inc.
    Inventors: Sudhir Brahmandam, David Richard Siddle, Irene Spitsberg
  • Patent number: 8403024
    Abstract: A metallic, ferriferous permanent mold, especially a permanent steel mold, is provided that can be impinged upon with a liquid or flowable aluminum material, a layer for protecting the permanent form and for obtaining an optimum cast result being producible by means of a mold release agent. The invention also relates to a mold release agent for producing said layer and to a method for producing said layer.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: March 26, 2013
    Assignees: KS Aluminium-Technologie GmbH, Gelita AG
    Inventor: Manfred Laudenklos
  • Patent number: 8394461
    Abstract: A powder-containing oil-based lubricant for die contains 60 to 99% by mass of an oil-based lubricant consisting of oil, 0.3 to 30% by mass of a solubilizing agent, 0.3 to 15% by mass of an inorganic powder and 7.5% by mass or less of water, the lubricant being electrostatically applied to a die. The powder-containing oil-based lubricant may be applied to a die by electrostatic spraying. The electrostatic spray apparatus includes a device that imparts static electricity to the powder-containing oil-based lubricant and an electrostatic spray gun installed on a multi-axis robot.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: March 12, 2013
    Assignees: Aoki Science Institute Co., Ltd., Toyota Motor Corporation, Aisin Seiki Kabushiki Kaisha
    Inventors: Hiroaki Komatsubara, Masanao Kobayashi, Toshiaki Shimizu, Daisuke Serino, Munenori Sugisawa, Tomiyuki Murayama, Noriaki Osawa, Tomohiro Yamaguchi, Ryujiro Aoki, Tatsuya Hattori
  • Patent number: 8376024
    Abstract: Tubular metal articles such as pipe and cylinder liners are produced by centrifugal casting on a permanent metal mold coated by refractory glass on the active surface. A coating suspension mix is evenly distributed onto the mold to form a uniform layer of insulation on the surface of the mold. The material for the coating comprises of essentially a waterborne suspension mix of glass particles. The suspension is given time to dry on the surface of the mold. The glass particles dispersed in the suspension are both non-crystalline and nonporous. The glass particles in the suspension and forming the coating are not dissolved and do not chemically attract the polar water molecule or cause it to bond to the surface of glass in the suspension or to the mold active surface. Articles cast as such are smooth surfaced and require only limited machining.
    Type: Grant
    Filed: December 31, 2011
    Date of Patent: February 19, 2013
    Inventor: Charles Earl Bates
  • Patent number: 8361375
    Abstract: A forming mold or electroforming mother die including a mold or mother die, and a release layer composed of an organic thin film on a mold surface or mother die surface which is formed by contacting the mold or mother die with an organic solvent solution including a silane surfactant represented by formula [1] Rn—Si—X4-n??[1] where R represents an optionally substituted hydrocarbon group or halogenated hydrocarbon having 1 to 20 carbon atoms, or a hydrocarbon group or a halogenated hydrocarbon group having a linking group which has 1 to 20 carbon atoms, X represents a hydroxyl group, a halogen atom, an alkoxy group having 1 to 6 carbon atoms, or an acyloxy group, and n represents an integer of 1 to 3; and a catalyst capable of interacting with the silane surfactant, and a production method thereof.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: January 29, 2013
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Tomoya Hidaka, Norifumi Nakamoto, Yoshitaka Fujita
  • Patent number: 8262382
    Abstract: A stamper, used for fabricating an antireflective member, has an uneven surface pattern, which includes a plurality of very small recessed portions, each having a stepped side surface.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: September 11, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tokio Taguchi, Shun Ueki, Kozo Nakamura, Kazuhiko Tsuda
  • Publication number: 20120200932
    Abstract: A mold includes an anodized porous alumina layer over its surface. The anodized porous alumina layer has a plurality of first and second recessed portions. The plurality of second recessed portions have a two-dimensional size of not less than 190 nm and not more than 50 ?m when viewed in a direction normal to the mold surface and have a plurality of minute recessed portions over its inner surface. The plurality of minute recessed portions have a two-dimensional size of not less than 10 nm and not more than 200 nm; and have a two-dimensional size of not less than 10 nm and not more than 200 nm. The plurality of first recessed portions are provided between the plurality of second recessed portions. The average value of the two-dimensional size of the plurality of second recessed portions is greater than that of the plurality of first recessed portions.
    Type: Application
    Filed: October 12, 2010
    Publication date: August 9, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Chiaki Minari, Tokio Taguchi
  • Patent number: 8216631
    Abstract: A cardiac valve prosthesis having a frame and two or more leaflets (preferably three) attached to the frame. The leaflets are attached to the frame between posts, with a free edge which can seal the leaflets together when the valve is closed under back pressure. The leaflets are created in a mathematically defined shape allowing good wash-out of the whole leaflet orifice, including the area close to the frame posts, thereby relieving the problem of thrombus deposition under clinical implant conditions.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: July 10, 2012
    Assignee: Aortech International PLC
    Inventors: Bernard O'Connor, David John Wheatley, Gillian Maureen Bernacca, William Stafford Haworth
  • Publication number: 20120165502
    Abstract: In a molded body production device, a release agent injection means applies a release agent onto an upper punch surface by injecting the release agent toward the upper punch surface in a state that an upper punch is located above an upper end surface of a molding die, and applies the release agent onto a lower punch surface and an inner circumferential surface exposing above the lower punch surface by injecting the release agent toward the lower punch surface in a state that the lower punch surface is located into the cavity and below the upper end surface of the molding die, before the molding material is filled into the cavity. This makes it possible to prevent the molding material from bonding to the upper punch surface, the lower punch surface and the inner circumferential surface defining the cavity.
    Type: Application
    Filed: July 9, 2010
    Publication date: June 28, 2012
    Inventors: Daisuke Hirokane, Akiharu Satoh, Masami Yamazaki
  • Patent number: 8202452
    Abstract: A mold for processing optical film includes a substrate, a copper oxide film, and a hydrophobic fluorinated self-assembled monolayer film. The substrate has a copper surface. The copper oxide film is formed on the copper surface. The hydrophobic fluorinated self-assembled monolayer film is formed on the surface of the copper oxide film. The mold provides easy release of the hydrophobic fluorinated self-assembled monolayer film.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: June 19, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chia-Ling Hsu