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US 6,581,366 B1Granted
Cut-resistant stretch yarn fabric and apparel
AssigneeWorld Fibers, Inc.
InventorGregory V. Andrews
Life of this patent
Estimating the term…
Abstract
A cut-resistant stretch yarn having a first elastic core yarn with a first wrapper yarn spirally-wrapped around the elastic core yarn in a first twist direction. The first wrapper yarn is a highly cut-resistant yarn. A second wrapper yarn is spirally-wrapped around the elastic core yarn and the first wrapper yarn in a second twist direction. The second wrapper yarn is a highly cut-resistant yarn. The elastic core yarn may be an elastomeric yarn, neoprene or rubber.
Claims23
A cut-resistant stretch yarn, comprising:
- (a) a first elastic core yarn,
- (b) a first wrapper yarn spirally-wrapped around the elastic core yarn in a first twist direction, said first wrapper yarn comprising a highly cut-resistant yarn;
- (c) a second wrapper yarn spirally-wrapped around the elastic core yarn and the first wrapper yarn in a second twist direction, said second wrapper yarn comprising a highly cut-resistant yarn;
- and
- (d) wherein one of said first and second wrapper yarns comprises a composite yarn which includes an ultrahigh molecular weight polyethylene fiber having high tensile strength, and one of said first and second wrapper yarns comprises a composite yarn which includes a particle-filled fiber comprising a semi-crystalline polymer containing hard particles having a Mohs Hardness Value greater than 3.
2 more elements
A cut-resistant stretch yarn, comprising:
- (a) at least one elastic core yarn;
- (b) a plurality of wrapper yarns spirally-wrapped around the at least one elastic core yarn in alternating twist directions, at least one of said plurality of wrapper yarns comprising a highly cut-resistant yarn selected from the group consisting of a composite yarn which includes an ultrahigh molecular weight polyethylene fiber having high tensile strength, and at least one of said plurality of wrapper yarns comprising a composite yarn which includes a particle-filled fiber comprising a semi-crystalline polymer containing hard particles having a Mohs Hardness Value greater than 3.
A cut-resistant stretch yarn, comprising:
- (a) a first elastic core yarn selected from the group consisting of an elastomeric yarn, neoprene and rubber;
- (b) a first wrapper yarn spirally-wrapped around the elastic core yarn in a first twist direction, said first wrapper yarn comprising a highly cut-resistant yarn having a denier of between 20 and 1000 denier;
- (c) a second wrapper yarn spirally-wrapped around the elastic core yarn and the first wrapper yarn in a second twist direction, said second wrapper yarn comprising a highly cut-resistant yarn having a denier of between 20 and 1000 denier;
- and
- (d) wherein at least one of said first and second wrapper yarns comprises a composite yarn which includes an ultrahigh molecular weight polyethylene fiber having high tensile strength, and at least one of said first and second wrapper yarns comprises a composite yarn which includes a particle-filled fiber comprising a semi-crystalline polymer containing hard particles having a Mohs Hardness Value greater than 3.
2 more elements
Dependencies are inferred from the claim text.