Patents Assigned to Asahi Glass Company Ltd.
  • Apparatus for Bend-shaping a glass plate
    Patent number: 6363751
    Abstract: A method and apparatus for manufacturing a curved sheet of glass which includes a heating furnace for heating a sheet of glass therein, the heating furnace having an outlet opening for discharging a curved sheet of glass, and an array of beds housed in the furnace for transferring a sheet of glass successively over the beds in the furnace in a first direction toward the outlet opening while shaping the sheet of glass complementarily to an upper surface of the beds, each of the beds having a plurality of hot air ejecting holes for ejecting hot air to keep the sheet of glass out of contact with the beds, the beds including a final bed disposed near the outlet opening and inclined upwardly toward the outlet opening, the final bed having an upper panel including at least a portion curved in the first direction near the outlet opening to curve the sheet of glass in the first direction.
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: April 2, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Takashi Hirotsu, Kazuyoshi Ohtani, Teruji Nagaoka
  • Glazing panel
    Publication number: 20020034641
    Abstract: A glazing panel carrying a coating stack comprises in sequence at least:
    Type: Application
    Filed: June 18, 2001
    Publication date: March 21, 2002
    Applicant: Asahi Glass Company, Ltd.
    Inventors: Junichi Ebisawa, Nobutaka Aomine, Satoshi Takeda, Kazuyoshi Noda, Daniel Decroupet
  • Method for bending a glass sheet, a ring mold for bending a glass sheet, and apparatus using the ring mold
    Patent number: 6357263
    Abstract: In bending a glass sheet, the load applied to an intermediate glass sheet can be equalized to improve the quality of a final glass sheet. For this purpose, a forming ring 1 comprises a first forming frame 15 and a second forming frame 16, and the swingable center of each of swingable frames 19, 20, which forms right and left portions of a second forming frame 16, is located at an intermediate position apart from a separation position from each of fixed frames 17, 18. By such arrangement, the intermediate glass sheet can be equally supported when the swingable frames 19, 20 are moved along the intermediate glass sheet and the intermediate glass sheet is transferred from the first forming frame 15 onto the second forming frame 16.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: March 19, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Toshimi Yajima, Masahiro Tsuchiya, Hiroshi Yamakawa, Masahiko Kobayashi, Katsuki Saito
  • Target and process for its production, and method for forming a film having a high refractive index
    Publication number: 20020027817
    Abstract: A sputtering target comprising a substrate and a target material formed on the substrate, wherein the target material comprises a metal oxide of the chemical formula MOx as the main component, wherein MOx is a metal oxide which is deficient in oxygen as compared with the stoichiometric composition, and M is at least one metal selected from the group consisting of Ti, Nb, Ta, Mo, W, Zr and Hf, a process for its production, and a method for forming a film having a high refractive index.
    Type: Application
    Filed: September 28, 2001
    Publication date: March 7, 2002
    Applicant: Asahi Glass Company Ltd.
    Inventors: Otojiro Kida, Akira Mitsui, Eri Suzuki, Hisashi Osaki, Atsushi Hayashi, Takuji Oyama, Kenichi Sasaki
  • Electric double layer capacitor
    Patent number: 6352565
    Abstract: An electric double layer capacitor having an element impregnated with a non-aqueous electrolyte, said element comprising positive and negative electrodes made of carbonaceous electrodes, and a separator interposed between the electrodes, wherein said separator is made of paper prepared to contain at least 50 wt % of fibers obtained by beating regenerated cellulose fibers.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: March 5, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Manabu Suhara, Kazuya Hiratsuka, Takeshi Kawasato, Katsuji Ikeda
  • Acid component-removing agent, method for producing it and method for removing acid components
    Patent number: 6352653
    Abstract: An acid component-removing agent which comprises sodium hydrogencarbonate having a volume-based mean particle diameter of from 1 to 9 &mgr;m as measured by a laser diffraction and scattering method.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: March 5, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Hachiro Hirano, Makoto Yoshida, Hiroaki Noda, Shigeru Sakurai, Makoto Kusaka, Masaharu Tanaka
  • Glazing panel
    Publication number: 20020022132
    Abstract: A glazing panel carrying a solar control coating stack comprising in sequence at least:
    Type: Application
    Filed: June 18, 2001
    Publication date: February 21, 2002
    Applicant: Asahi Glass Company, Ltd.
    Inventors: Junichi Ebisawa, Nobutaka Aomine, Satoshi Takeda, Kazuyoshi Noda, Daniel Decroupet
  • Electric double layer capacitor
    Patent number: 6349027
    Abstract: An electric double layer capacitor including a positive electrode assembly and a negative electrode assembly, each electrode assembly having a porous layer including a carbonaceous powder and a fluorine-containing polymer formed on at least one side of an aluminum foil current collector, the positive electrode and the negative electrode being disposed so that the porous layer of the positive electrode assembly and the porous layer of the negative electrode assembly face each other with a separator interposed therebetween to form an element, the element being impregnated with a non-aqueous electrolyte and accommodated in a sealed container, wherein the thickness of the porous layer is from 80 to 200 &mgr;m, the thickness of the aluminum foil current collector is from 20 to 80 &mgr;m, the thickness of the separator is from 30 to 170 &mgr;m, and the density of the porous layer is from 0.50 to 0.80 g/cm3.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: February 19, 2002
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Manabu Suhara, Kazuya Hiratsuka, Katsuji Ikeda, Takeshi Kawasato, Yoshiaki Higuchi, Takamichi Ishikawa, Satoru Kuroki, Sadao Kanetoku, Naoki Yoshida, Naruaki Tomita
  • Ink jet recording medium and recorded product
    Patent number: 6344262
    Abstract: An ink jet recording medium which comprises a substrate and a porous layer containing an alumina hydrate formed on the substrate, wherein Mg ions and SCN ions are contained in said porous layer.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: February 5, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventor: Shinichi Suzuki
  • Alumina sol, alumina hydrate powder and processes for their production
    Patent number: 6342293
    Abstract: A process for producing an alumina sol, which comprises stirring a dispersion of an alumina hydrate having a solid content of from 1 to 40 wt % at a pH of from 7 to 12 with an effective consumptive power of at least 0.5 kW/m3 for aggregation treatment, and then adding an acid thereto for peptization treatment.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: January 29, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Katsumasa Nakahara, Kenji Yamada, Hachiro Hirano, Toshiya Matsubara
  • Resin composition for building material and insulating glass
    Publication number: 20020009557
    Abstract: An insulating glass comprising two or more glass sheets which are arranged to face one another to form an air space layer therebetween by a spacer made of a resin having a JIS A hardness of from 10 to 90 at 25° C., prepared by using a thermoplastic resin composition comprising a butyl type rubber and a crystalline polyolefin, wherein the proportion of the butyl type rubber is from 50 to 98 wt %, and the proportion of the crystalline polyolefin is from 2 to 50 wt %, based on the total amount of the two.
    Type: Application
    Filed: April 12, 2001
    Publication date: January 24, 2002
    Applicant: Asahi Glass Company Ltd.
    Inventors: Takashi Shibuya, Seigo Kotera, Hideki Nakagawa, Yoshitaka Matsuyama
  • Glazing panel
    Patent number: 6340529
    Abstract: A glazing panel carrying a solar control coating stack comprising in sequence at least: a glass substrate; a base antireflective layer comprises at least one layer comprising a nitride of aluminum an infra-red reflecting layer; and a top antireflective layer. The nitride of aluminum confers, inter alia, good thermal stability on the coating, particularly during heat treatment.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: January 22, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Junichi Ebisawa, Nobutaka Aomine, Satoshi Takeda, Kazuyoshi Noda, Daniel Decroupet
  • Cement admixture, concrete, and process for producing fluorooxyalylene compounds
    Patent number: 6340779
    Abstract: The present invention is directed to a method for producing fluorine-containing oxyalkylene compounds used in a cement admixture represented by the formula (4), which comprises ring opening polymerization of at least one cyclic ether represented by the formula (3) in the presence of an acid catalyst and a fluorine-containing hydroxyl compound represented by the formula (2): Rf—Q2—OH  (2)  Rf—Q2—O—(A2—O)k—H  (4) wherein Rf is a C1-22 polyfluoroaliphatic hydrocarbon group which may contain ethereal oxygen atoms or thioethereal sulfur atoms, Q2 is a C3-5 linear or branched alkylene group, k is an integer of from 1 to 100, and A2 is a C2-4 linear alkylene group or a group having at least one hydrogen atom of said alkylene group substituted by a hydrocarbon group which may contain ethereal oxygen atoms.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: January 22, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Genichirou Enna, Hiroki Fukuda, Yoshihiro Ohtsuka
  • Electric double layer capacitor
    Publication number: 20020004973
    Abstract: An electric double layer capacitor having an element impregnated with a non-aqueous electrolyte, said element comprising positive and negative electrodes made of carbonaceous electrodes, and a separator interposed between the electrodes, wherein said separator is made of paper prepared to contain at least 50 wt % of fibers obtained by beating regenerated cellulose fibers.
    Type: Application
    Filed: September 7, 2001
    Publication date: January 17, 2002
    Applicant: ASAHI GLASS COMPANY LTD.
    Inventors: Manabu Suhara, Kazuya Hiratsuka, Takeshi Kawasato, Katsuji Ikeda
  • Apparatus for producing deionized water
    Patent number: 6338784
    Abstract: An apparatus for producing deionized water, comprising an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged to form demineralizing compartments and concentrating compartments and having ion exchangers accommodated in the demineralizing compartments, and designed to conduct an electric current while supplying water to be treated to the demineralizing compartments, wherein a spacer is arranged in each concentrating compartment to maintain the thickness of the concentrating compartment, and the cation exchange membranes or the anion exchange membranes are incorporated in their dry state in the electrodialyzer, whereby water is supplied to the electrodialyzer, while each ion exchange membrane is brought in contact with the spacer by a pressure from the demineralizing compartment side.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: January 15, 2002
    Assignees: Asahi Glass Company Ltd., Glegg Water Conditioning, Incorporated
    Inventors: Ichiro Terada, Hiroshi Toda, Kazuo Umemura, Mark Philip Huehnergard, David Florian Tessier, Ian Glenn Towe
  • Glass bulb for a cathode ray tube and a method for producing a cathode ray tube
    Patent number: 6338416
    Abstract: Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the two-dimensional matrix code 3 containing the information which can identify individually glass bulbs, and the manufacturing steps are conducted by using a computer and the particulars specified by the serial information.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: January 15, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventor: Masayuki Shinoda
  • Fluorine-containing polymer composition
    Patent number: 6337379
    Abstract: A fluorine-containing polymer composition comprising a fluorine-containing solvent of the formula R1—O—R2 wherein R1 is a C5-12 linear or branched polyfluoroalkyl group which may have an ether bond, and R2 is a C1-5 linear or branched alkyl group, and a fluorine-containing amorphous polymer having a fluorine-containing ring structure in its main chain, dissolved in the solvent.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: January 8, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Ikuo Matsukura, Naoko Shirota
  • Vacuum degassing apparatus for molten glass and method for building it
    Patent number: 6334336
    Abstract: A vacuum degassing apparatus comprises a path made of dense refractory bricks, the path including an inner surface brick layer, the refractory bricks in the inner surface brick layer having a flatness of 0.5 mm on contacting surfaces with one anther, and the path including a backup brick layer and a ramming material filling layer besides the inner surface brick layer.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: January 1, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Yusuke Takei, Michito Sasaki, Masataka Matsuwaki, Shigekuni Inoue, Atsushi Tanigaki, Mitsuo Sugimoto
  • Electric double layer capacitor and electrode therefor
    Patent number: 6335857
    Abstract: An electrode for an electric double layer capacitor, which is a sheet electrode comprising a carbonaceous material and a polytetrafluoroethylene and having a K value_which is calculated by formula 1 from X-ray diffraction peak intensities measured by means of CuK&agr;-radiation of at most 20: K=IPTFE/(ICARBON×(CPTFE/CCARBON)) where IPTFE is the X-ray diffraction peak intensity of the polytetrafluoroethylene in the vicinity of 2&thgr;=18°, ICARBON is the X-ray diffraction peak intensity of the carbonaceous material in the vicinity of 2&thgr;=43°, CPTFE is the concentration by weight of the polytetrafluoroethylene in the electrode, and CCARBON is the concentration by weight of the carbonaceous material in the electrode.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: January 1, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Yasuyuki Takimoto, Manabu Suhara, Takamichi Ishikawa
  • Dark gray colored glass
    Patent number: RE37514
    Abstract: A dark gray colored glass comprising 100 parts by weight of a soda lime silicate glass as a matrix component and coloring components consisting essentially of from 0.8 to 1.5 parts by weight of total iron calculated as Fe2O3, from 0.1 to 0.3 part by weight of FeO, from 0 to 1.0 part by weight of TiO2, from 0.0005 to 0.015 part by weight of Se, from 0.02 to 0.05 part be weight of CoO and from 0.002 to 0.05 part by weight of Cr2O3.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: January 15, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Mizuki Sasage, Takashi Kijima