Patents Assigned to Thermo-Foam, Inc.
  • Foaming putty plug repair composition and method
    Patent number: 4994501
    Abstract: A hole repair method and composition suitable for mufflers, and engine exhaust systems, and any situation where high temperature resistance is needed. A putty like mass of polyimide resin and from 28% to 35% of low boiling alcohol is used to fill the hole, then foamed by heating into a mechanically seated and adherent plug which is high temperature resistant and securely in place.
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: February 19, 1991
    Assignee: Thermo-Foam, Inc.
    Inventor: Garson P. Shulman
  • Foaming putty plug repair composition and method
    Patent number: 4933375
    Abstract: A hole repair method and composition suitable for mufflers, and engine exhaust systems, and any situation where high temperature resistance is needed. A putty like mass of polyimide resin and from 28% to 35% of low boiling alcohol is used to fill the hole, then foamed by heating into a mechnically seated and adherent plug which is high temperature resistant and securely in place.
    Type: Grant
    Filed: December 7, 1988
    Date of Patent: June 12, 1990
    Assignee: Thermo-Foam, Inc.
    Inventor: Garson P. Shulman