Polyethylene fiber
US-2025270739-A1 · Aug 28, 2025 · US
US9334587B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9334587-B2 |
| Application number | US-72007410-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 9, 2010 |
| Priority date | Feb 11, 2005 |
| Publication date | May 10, 2016 |
| Grant date | May 10, 2016 |
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A fishing line having (a) multiple UHMWPE fibers and (b) at least one fluoropolymer fiber comprising expanded polytetrafluoroethylene. Also disclosed is a method of making a braided fishing line comprising the steps, in order, of forming a braided fiber by braiding UHMWPE fibers with expanded polytetrafluoroethylene fibers; heating the braided fiber; stretching the braided fiber while still heated; and cooling the stretched braided fiber.
Opening claim text (preview).
The invention claimed is: 1. An article comprising a fishing line having a multifilament braid construction, said braid comprising: (a) multiple UHMWPE fibers; and (b) at least one fluoropolymer fiber comprising a filament of expanded polytetrafluoroethylene. 2. An article as defined in claim 1 wherein said fluoropolymer fiber is present in an amount of between about 10% and 30% by weight. 3. An article as defined in claim 1 wherein said fluoropolymer fiber is present in an amount of between about 12.5% and 25% by weight. 4. An article as defined in claim 2 wherein said fishing line has a break force subsequent to abrasion testing of at least 40% of the break force prior to abrasion testing. 5. An article as defined in claim 4 wherein said fishing line has a break force subsequent to abrasion testing of at least 50% of the break force prior to abrasion testing. 6. An article as defined in claim 4 wherein said fishing line has a break force subsequent to abrasion testing of at least 60% of the break force prior to abrasion testing. 7. An article as defined in claim 1 herein the ratio of the number of said fluoropolymer fibers to the total number of fibers is 12.5%. 8. An article as defined in claim 1 wherein the ratio of the number of said fluoropolymer fibers to the total number of fibers is 25%. 9. An article as defined in claim 1 wherein said fishing line has a tenacity of at least 10 g/d. 10. An article as defined in claim 1 wherein said fishing line has a tenacity of at least 15 g/d. 11. An article as defined in claim 1 wherein said fishing line has a tenacity of at least 20 g/d. 12. An article as defined in claim 1 wherein said fishing line has a break force of at least 13 kg subsequent to abrasion testing. 13. An article as defined in claim 1 wherein said fishing line has a break force of at least 14.5 kg subsequent to abrasion testing. 14. An article as defined in claim 1 wherein said fishing line has a break force of at least 16 kg subsequent to abrasion testing.
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