Patents Assigned to Aron Kasei Co., Ltd.
  • Method for producing a molded foam article with an integral skin
    Patent number: 5665285
    Abstract: A molded foam article with an integral skin is produced by blow-molding a parison in a cavity of a metal mold to form a hollow member, filling the hollow member with pre-expanded thermoplastic resin besides before cooling and solidification of the hollow member, and heating the pre-expanded beads to cause the beads to expand further and fuse together. A filler for the pre-expanded thermoplastic resin beads is provided with a cutter for making a hole in the hollow member before introducing the resin beads into the hollow member.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: September 9, 1997
    Assignees: Mitsubishi Yuka Badische Co., Ltd., Sanko Sogyo Co., Ltd., Aron Kasei Co., Ltd.
    Inventors: Kazuhide Hattori, Hiroyuki Yamaji, Yoshikazu Hatakeyama, Yoshiyuki Shida, Atsushi Tamura, Takumi Kitaoka, Takashi Kohama
  • Two-layer structure molded by using thermoplastic resin
    Patent number: 4585686
    Abstract: A two-layer structure molded by using thermoplastic resin is provided in the instant invention. Said two-layer structure comprises one layer (a) of thermoplastic resin in which no electroconductive filler is mixed, and the other layer (b) of thermoplastic resin in which electroconductive filler is mixed wherein one or more projections which penetrate said layer (b) are formed on said layer (a).
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: April 29, 1986
    Assignee: Aron Kasei Co., Ltd.
    Inventors: Tadashi Hasegawa, Kazuyuki Izumo, Katsuyuki Enomoto, Nobuyoshi Sugie
  • Sealing agent injecting machine
    Patent number: 4381727
    Abstract: A sealing agent injecting machine which comprises: a base having wheels, a driving system of said wheels installed in said base, a vessel containing sealing agent, connected with a nozzle and mounted on the base, and a pressure apparatus putting pressure into said vessel, is provided in the present invention. Sealing agent is injected into joint of covering materials such as floor covering by using said machine and said machine can rightly follow the joint by providing differential gear in the driving system.
    Type: Grant
    Filed: August 22, 1980
    Date of Patent: May 3, 1983
    Assignee: Aron Kasei Co., Ltd.
    Inventors: Etsuji Yamaguchi, Hideo Hotta