IP Library › Granted Patent US 7,445,843
Granted Patent B2
US 7,445,843 · App. 11/865,260 · Granted Nov 4, 2008

Expanded PTFE articles and method of making same

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Quick Facts
Patent No.
US 7,445,843
App. No.
11/865,260
Granted
Nov 4, 2008
Kind
B2
Abstract

Unique PTFE structures comprising islands of PTFE attached to an underlying expanded polytetrafluoroethylene (ePTFE) structure and to methods of making such structures is disclosed. The ePTFE material may or may not have been exposed to amorphous locking temperatures. These unique structures exhibit islands of PTFE attached to and raised above the expanded PTFE structures.

Claims (3)

1. An article comprising a monofilament fluoropolymer fiber having a density greater than 1 g/cc and a fiber fray score of less than about 100.

2. The article of claim 1 , wherein said monofilament fluoropolymer fiber has a fiber fray score of less than about 20.

3. The article of claim 1 , further comprising a plurality of said monofilament fluoropolymer fibers combined in a twisted configuration.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 14, 2012
From: GORE ENTERPRISE HOLDINGS, INC.
To: W. L. GORE & ASSOCIATES, INC.
Reel/Frame 027906/0508 →