US2007079695A1PendingUtilityA1

Fluoropolymer Fiber Composite Bundle

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Individually held — no corporate assignee on recordPriority: Feb 11, 2005Filed: Nov 7, 2006Published: Apr 12, 2007
Est. expiryFeb 11, 2025(expired)· nominal 20-yr term from priority
Inventors:Richard BucherNorman E. CloughTahi EgresRobert L. Sassa
Y10T428/2933D07B 1/025D07B 2201/2036D07B 2201/2041D07B 2205/205D07B 2205/2071D07B 2205/2096D02G 3/047D07B 2205/2014Y10T428/2913D07B 2201/2014
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Claims

Abstract

A composite bundle for repeated stress applications comprising at least one fiber of a high strength material, at least one fiber of fluoropolymer, wherein the fluoropolymer fiber is present in an amount of about 40% by weight or less.

Claims

exact text as granted — not AI-modified
1 . A method of reducing abrasion- or friction-related wear of a fiber bundle in repeated stress applications while substantially maintaining the strength of the fiber bundle comprising the step of including in the fiber bundle at least one filament of fluoropolymer.  
   
   
       2 . A method as defined in  claim 1  wherein said fluoropolymer filament is a monofilament.  
   
   
       3 . A method as defined in  claim 1  wherein said fluoropolymer filament is low density of less than about 1 g/cc.  
   
   
       4 . A method as defined in  claim 1  wherein said fluoropolymer filament is a multifilament.  
   
   
       5 . A method as defined in  claim 1  wherein said fluoropolymer filament comprises a filler.  
   
   
       6 . A method as defined in  claim 5  wherein said filler comprises carbon.  
   
   
       7 . A method as defined in  claim 5  wherein said filler is selected from the group consisting of molybdenum disulfide, graphite, hydrocarbon, and silicone base fluid.  
   
   
       8 . A method as defined in  claim 1  wherein the fiber bundle comprises para-aramid.  
   
   
       9 . A method as defined in  claim 1  wherein the fiber bundle comprises liquid crystal polymer (LCP).  
   
   
       10 . A method as defined in  claim 1  wherein the fiber bundle comprises polybenzoxazole (PBO).  
   
   
       11 . A method as defined in  claim 1  wherein the fiber bundle comprises ultrahigh molecular weight polyethylene (UHMWPE).  
   
   
       12 . A method as defined in  claim 1  wherein the fiber bundle is present and comprises a combination of UHMWPE and LCP.  
   
   
       13 . A method as defined in  claim 1  wherein the fiber bundle comprises high tenacity metal.  
   
   
       14 . A method as defined in  claim 1  wherein the fiber bundle comprises high tenacity mineral.  
   
   
       15 . A method as defined in  claim 1  wherein said fluoropolymer filament is PTFE.  
   
   
       16 . A method as defined in  claim 1  wherein said fluoropolymer filament is ePTFE.

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