Patents Assigned to Fujikura Rubber Works, Ltd.
  • Patent number: 4425395
    Abstract: A base fabric for polyurethane-coated fabics which comprises a layer of polyurethane prepolymer under half cross-linked conditions partially formed on at least one surface of the water repellent-unfinished fabric. A process for the production of a base fabric for polyurethane-coated fabrics, which comprises partially coating a solution of polyurethane prepolymer containing a cross-linking agent on at least one surface of the water repellent-unfinished fabric, drying and aging until the polyurethane prepolymer is caused to be under half cross-linked conditions. A polyurethane-coated fabric, which comprises a one-pack polyurethane layer with fine air-permeable pores formed on a water repellent-unfinished base fabric having partially formed on at least one surface thereof a layer of a two-pack polyurethane resin, the fabric and one-pack polyurethane layer being adhered to the layer of the two-pack polyurethane resin as a result of a cross-linking reaction of the polyurethane prepolymer.
    Type: Grant
    Filed: March 30, 1982
    Date of Patent: January 10, 1984
    Assignee: Fujikura Rubber Works, Ltd.
    Inventors: Isamu Negishi, Kazumi Hunyu
  • Patent number: 4302848
    Abstract: A method for wearing and taking off a protective suit which is used when entering the inside of a working zone segregated from the outside thereof. The protective suit has a cylindrical portion made of a film-like fusible material and is designed so that one can get into or out of the suit by passing through the cylindrical portion. When wearing the protective suit, one gets into the suit by passing through the cylindrical portion, with the protective suit being kept joined to an entrance/exit section of the working zone, and then part of the cylindrical portion is fused and closed to segregate the inside of the suit from the outside thereof while sealing the entrance/exit section with a pouch-like member.
    Type: Grant
    Filed: April 8, 1980
    Date of Patent: December 1, 1981
    Assignees: Doryokuro Kakunenryo Kaihatsu Jigyodan, Fujikura Rubber Works, Ltd.
    Inventors: Katsuyuki Otsuka, Jin Ohuchi, Shizuo Arita