×

Fire resistant barrier for dynamic expansion joints

  • US 6,128,874 A
  • Filed: 03/26/1999
  • Issued: 10/10/2000
  • Est. Priority Date: 03/26/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A fire resistant barrier for architectural expansion joints comprising a plurality of fire resistant material layers comprising:

  • a first mechanical support layer having a first and second major surface;

    a second layer having a first and second major surface, wherein said second layer provides protection and mechanical support to said fire barrier;

    at least one layer of intumescent sheet having a first and second major surface, wherein said at least one layer of intumescent sheet is disposed between said first mechanical support layer and said second layer; and

    wherein said first mechanical, said second, and said intumescent sheet layers are locally bonded together only substantially along a longitudinal center and substantially continuously along the length of said layers.

View all claims
  • 12 Assignments
Timeline View
Assignment View
    ×
    ×