Patents Examined by Richard C. Weisheiger
  • Patent number: 5304422
    Abstract: A polyamide resin composition comprising: (a) 100 parts by weight of a polyamide; (b) from about 1 part to about 80 parts by weight of an aromatic polyamide fiber; (c) from about 3 parts to about 80 parts by weight of a polytetrafluoroethylene; and (d) from about 1 part to about 20 parts by weight of high-density polyethylene is disclosed. The polyamide resin composition can be molded into sliding members, like bearings, bushings and slide rails, that demonstrate excellent mechanical and physical properties, like low frictional force, low self-abrasion, and low abrasion to metals.
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: April 19, 1994
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Takayoshi Tanabe, Takatoshi Ishigaki, Shuji Tsuchikawa, Shinichi Kimura