US2003163907A1PendingUtilityA1

Pile product

Assignee: KANEKA CORPPriority: May 31, 1996Filed: Jan 23, 2003Published: Sep 4, 2003
Est. expiryMay 31, 2016(expired)· nominal 20-yr term from priority
D04B 1/025D06M 15/643D02G 1/12D02G 1/20
34
PatentIndex Score
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Claims

Abstract

A pile product, wherein shrinkable staple fibers and non-shrinkable staple fibers are mixed to prepare a sliver, and the sliver is subjected to pile-processing to constitute a pile portion. The sliver contains 20 to 98% by weight of the shrinkable staple fiber having a shrinkage percentage of 15% or more, 0.300 or less of statical friction coefficient between fiber-fiber after shrinkage, an average fiber length of 15 to 25 mm, and larger waves, including primary crimps, of 1 to 3/inch, and has a sliver strength of 3 g/g/m or more. The shrinkable staple fiber preferably has an organopolysiloxane deposited on the surface thereof. The sliver is subjected to pile-processing to constitute a pile portion. Operating property is good in spinning fibers which constitute a pile portion, and fiber loss in pile-processing is less. The pile product is excellent in a drape property, and has an appearance- and a feeling, very similar to those of a natural fur.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A process for producing a pile product, which comprises mixing shrinkable staple fibers and non-shrinkable staple fibers to form sliver having a sliver strength of 3 g/g/m or more, and weaving or knitting ground fibers and the sliver to form a pile portion of shrinkable staple fibers and non-shrinkable staple fibers on a surface of a ground fabric of said ground fibers, wherein the sliver is obtained by passing preheated tow of shrinkable synthetic fibers through a push-in crimper, fixing the crimp form by drying the tow discharged from a crimper stuffing box of the push-in crimper in a dry heat treating machine while maintaining the density of the tow as filled in the crimper stuffing box, thereby obtaining a crimp tow, cutting the crimp tow, thereby obtaining crimp form-fixed shrinkable staple fibers having a shrinkage percent of 15% or more, having an average fiber length of 15 to 25 mm and containing 1 to 3/inch of secondary crimp, including primary crimps, mixing the crimp form-fixed shrinkable staple fibers and non-shrinkable staple fibers to form sliver containing 20 to 98% by weight of the crimp form-fixed shrinkable fibers, and subjecting the sliver to pile-processing to form a pile portion.  
     
     
         2 . The process for producing a pile product as claimed in  claim 1 , wherein the number of the primary crimps in the crimp form-fixed shrinkable staple fiber prior to pile-processing is 6 to 17/inch.  
     
     
         3 . The process for producing a pile product as claimed in  claim 1 , wherein the crimp form-fixed shrinkable staple fiber after pile-processing has 0.300 or less statical friction coefficient between fiber and fiber after shrinkage.  
     
     
         4 . The process for producing a pile product as claimed in  claim 3 , wherein the crimp form-fixed shrinkable staple fiber has an organopolysiloxane deposited on a surface thereof.  
     
     
         5 . The process for producing a pile product as claimed in  claim 1 , wherein the treatment temperature of the dry heat treating machine is 70 to 100° C.

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