Patents Assigned to Backer Rod Manufacturing & Supply Co.
  • Non-combustible filler rod for providing fire tight joint packing
    Patent number: 4622251
    Abstract: A non-combustible construction product for sealing a joint formed between adjoined building panels for blocking the passage of flame therethrough including non-combustible, flexibly compressible packing material encased within a porous, non-combustible, flexible, tubular sheath. A method of producing and installing such a construction product is described. Various packing materials including ceramic fibers and a combination of ceramic fibers and heat expandable mineral particles are described.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: November 11, 1986
    Assignee: Backer Rod Manufacturing & Supply Co.
    Inventor: John F. Gibb