Sewing – Products – Sewn web or sheet
Patent
1982-11-12
1984-06-05
Mackey, Robert
Sewing
Products
Sewn web or sheet
57205, 57247, 57251, 57284, 57290, 57293, D02G 102, D06C 2700, D05C 1702
Patent
active
044521600
ABSTRACT:
A pile yarn for a carpet and a cut pile carpet.
A bulky yarn of a polyamide multifilament is fed to a false twisting and heat setting device where filaments in the yarn are thermally and partially adhered to each other while the yarn is false twisted. A bulky cohesive continuous multifilament yarn thus obtained has alternate twists therein along the lengthwise direction thereof and a latent torque therein, and after it is heat treated under a constrained condition, preferably by means of saturated or superheated steam, so that the torque in the yarn is lowered, it is tufted on a substrate of a carpet as a pile yarn and the piles are cut.
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Maruo Kiyoshi
Oohara Mikio
Tajiri Koji
Mackey Robert
Teijin Limited
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