Stretchable strap with gripper and method of making the same
DC
First Claim
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1. A method for making a strap on a loom, comprising:
- weaving a frictionally enhanced layer in a plain weave from a plurality of upper warp threads and a first plurality of weft threads, said upper warp threads comprising frictionally enhanced threads under a first tension and non-frictionally enhanced threads under a second tension;
simultaneously weaving a non-frictionally enhanced layer in a plain weave from a plurality of lower warp threads and a second plurality of weft threads, said lower warp threads comprising non-frictionally enhanced threads under said second tension;
simultaneously weaving a connection between said frictionally enhanced layer and said non-frictionally enhanced layer by weaving a plurality of internal elastomeric warp threads under a third tension and a plurality of binder warp threads both woven over and under each of a complete set of weft threads, wherein every other warp thread of said connection belongs to said plurality of internally located elastomeric warp threads, and wherein said complete set of weft threads comprises said first plurality of weft threads and said second plurality of weft threads, wherein every other weft thread belongs to said first plurality of weft threads; and
causing said first, second, and third tensions to relax after said weaving steps wherein;
i.) said plurality of internal elastomeric threads contracts causing said plurality of weft threads to draw together;
ii.) at least a portion of said plurality of frictionally enhanced upper warp threads remain visible on a surface of said strap, and substantially coplanar with said surface; and
iii.) said plurality of frictionally enhanced upper warp threads remains operable to provide friction enhancement along said surface.
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Abstract
A stretchable strap includes a side containing regions woven with frictionally enhancing material. Warp threads of both frictionally enhancing and non-frictionally enhancing material are woven to form a two-layer strap. Internal elastomeric threads provide a connection between the two layers as well as allow the strap to stretch. A method of making the strap is also provided wherein all elements are simultaneously woven on a loom.
38 Citations
8 Claims
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1. A method for making a strap on a loom, comprising:
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weaving a frictionally enhanced layer in a plain weave from a plurality of upper warp threads and a first plurality of weft threads, said upper warp threads comprising frictionally enhanced threads under a first tension and non-frictionally enhanced threads under a second tension; simultaneously weaving a non-frictionally enhanced layer in a plain weave from a plurality of lower warp threads and a second plurality of weft threads, said lower warp threads comprising non-frictionally enhanced threads under said second tension; simultaneously weaving a connection between said frictionally enhanced layer and said non-frictionally enhanced layer by weaving a plurality of internal elastomeric warp threads under a third tension and a plurality of binder warp threads both woven over and under each of a complete set of weft threads, wherein every other warp thread of said connection belongs to said plurality of internally located elastomeric warp threads, and wherein said complete set of weft threads comprises said first plurality of weft threads and said second plurality of weft threads, wherein every other weft thread belongs to said first plurality of weft threads; and causing said first, second, and third tensions to relax after said weaving steps wherein; i.) said plurality of internal elastomeric threads contracts causing said plurality of weft threads to draw together; ii.) at least a portion of said plurality of frictionally enhanced upper warp threads remain visible on a surface of said strap, and substantially coplanar with said surface; and iii.) said plurality of frictionally enhanced upper warp threads remains operable to provide friction enhancement along said surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification
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Litigation Data
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Current AssigneeTextile Network Incorporated
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Original AssigneeTextile Network Incorporated
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InventorsResendez, Pamela, Pereira, Abel
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Primary Examiner(s)MUROMOTO JR, ROBERT H
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Application NumberUS11/625,745Publication NumberTime in Patent Office757 DaysField of SearchNoneUS Class Current139/423CPC Class CodesD03D 1/00 Woven fabrics designed to m...D03D 11/00 Double or multi-ply fabrics...D03D 15/56 elasticD03D 3/005 Tapes or ribbons not otherw...D10B 2403/031 Narrow fabric of constant w...
