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Wrapped yarns for use in ropes having predetermined surface characteristics
   
Document Number
US Patent 7134267
Issued Date
November 14, 2006
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Abstract
A rope and method of making the same. The rope comprises a plurality of yarns. At least one of the yarns comprises first and second sets of fibers. The first fibers are formed of a first material, and the second set of second fibers at least partly surrounds the first fibers. The second fibers are formed of a second material. The first material defines a set of operating characteristics adapted to bear tension loads on the rope. The second material defines a set of operating characteristics adapted to affect at least one surface characteristic of the rope.
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Wrapped yarns for use in ropes having predetermined surface characteristics - US Patent 7134267 Drawing
Drawing from US Patent 7134267
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Number of Claims:
21
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Published
November 14, 2006
Application Number
10/903,130
Filed
July 30, 2004
US Classification
57/237  
Int'l Classification
D02G   3/02   (20060101)  
Examiner
Parent Case
RELATED APPLICATIONS This application claims priority of U.S. Provisional Application Ser. No. 60/530,132, which was filed on Dec. 16, 2003.
USPTO Field of Search
57/287   57/210   57/244  
Related Patents
7367176 - Wrapped yarns for use in ropes having predetermined surface characteristics - Owned by Samson Rope Technologies (Ferndale, WA)

A rope and method of making the same. The rope is adapted to engage a structural member and comprises a plurality of yarns. At least one of the yarns comprises a first set of first fibers and a second set of fibers. The first and second sets of fibers are combined using a false twisting process such that the second fibers do not extend the length of the rope and the second fibers indirectly bear tension loads on the rope. The first fibers substantially determine load bearing properties of the rope. The second fibers substantially determine abrasion resistance properties and a coefficient of friction of the rope. Abrasion resistance properties of the second fibers are greater than abrasion resistance properties of the first fibers. A coefficient of friction of the second fibers is less than a coefficient of friction of the first fibers.

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