Ply-twisted yarn for cut resistant fabrics
First Claim
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1. A process for making a cut-resistant ply-twisted yarn comprising:
- a) providing a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, said first yarn having a twist in a first direction of from 0.5 to 10 turns per inch;
b) providing a second yarn comprising 1 to 5 continuous inorganic filament(s); and
c) ply-twisting the first yarn and the second yarn about each other 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn to form a ply-twisted yarn having an overall effective twist of +/−
5 turns per inch.
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Abstract
A ply-twisted yarn useful in cut resistant fabrics is made by providing a first multifilament yarn of continuous organic filaments having a tensile strength of at least 4 grams per denier and having a twist in a first direction of from 0.5 to 10 turns per inch; providing a second yarn comprising 1 to 5 continuous inorganic filament(s); and ply-twisting the first yarn and the second yarn about each other 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn to form a ply-twisted yarn having an overall effective twist of +/−5 turns per inch.
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Citations
21 Claims
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1. A process for making a cut-resistant ply-twisted yarn comprising:
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a) providing a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, said first yarn having a twist in a first direction of from 0.5 to 10 turns per inch; b) providing a second yarn comprising 1 to 5 continuous inorganic filament(s); and c) ply-twisting the first yarn and the second yarn about each other 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn to form a ply-twisted yarn having an overall effective twist of +/−
5 turns per inch. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cut-resistant ply-twisted yarn comprising:
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a) a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, said first yarn having twist in a first direction of from 0.5 to 10 turns per inch; b) a second yarn comprising 1 to 5 continuous inorganic filament(s); and c) the first yarn and the second yarn having a ply-twist about each other of 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn, said cut-resistant ply-twisted having an overall effective twist of +/−
5 turns per inch. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A woven fabric useful in protective apparel made from yarn components comprising:
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a body fabric yarn component, a cut-resistant yarn component comprising a ply-twisted yarn comprising a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, and a second yarn comprising 1 to 5 continuous inorganic filament(s);
said ply-twisted yarn having an overall effective twist of +/−
5 turns per inch,the body fabric yarn component and the cut-resistant yarn component each being comprised of at least one yarn and each yarn component distinguished from the adjacent yarn component by interweaving orthogonal yarn components. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification