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US 11,939,702 B2Granted
Method of manufacturing highly elastic fabric including latent crimped yarn
OwnerKyung Taek Gilinventor
Life of this patent
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Abstract
A method of manufacturing an elastic fabric including a latent crimped yarn according to an embodiment includes forming a raw fabric by knitting the latent crimped yarn and a polyester yarn, reducing the raw fabric, removing oil from the raw fabric, removing wrinkles of the raw fabric, followed by drying, dyeing the raw fabric, and removing wrinkles of the raw fabric, followed by drying to form the elastic fabric. The method can manufacture a highly elastic fabric having excellent recovery and color fastness to washing.
Claims11
A method of manufacturing an elastic fabric including a latent crimped yarn, the method comprising:
- forming a raw fabric by knitting the latent crimped yarn and a polyester yarn;
- reducing the raw fabric;
- removing oil from the raw fabric;
- removing wrinkles of the raw fabric, followed by drying;
- dyeing the raw fabric;
- and
- removing wrinkles of the raw fabric, followed by drying to form the elastic fabric,
- wherein the dyeing of the raw fabric comprises:
- dyeing the raw fabric with a disperse dye;
- subjecting the dyed raw fabric to a primary heat treatment at 35 to 45° C.;
- subjecting the raw fabric subjected to the primary heat treatment to a secondary heat treatment at 75 to 85° C.;
- subjecting the raw fabric subjected to the secondary heat treatment to a tertiary heat treatment at 120 to 130° C.;
- and
- cooling the raw fabric subjected to the tertiary heat treatment to 50 to 70° C.
11 more elements
Dependencies are inferred from the claim text.