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Patent Searching and Data


Title:
CORE YARN SEWING THREAD
Document Type and Number:
WIPO Patent Application WO/2006/043342
Kind Code:
A1
Abstract:
A core yarn sewing thread produced by twisting together multiple substantially zero-twist core yarns, these substantially zero-twist core yarns each obtained by effecting swivel winding of staple fiber yarn (2) as a sheath yarn around the entire circumferential surface of fiber yarn (1) as a core yarn along its longitudinal direction at a winding rate of 20 to 60% in terms of whole yarn weight ratio. Thus, there can be provided a core yarn sewing thread that in sewing with the use of an industrial lock stitch sewing machine, attains improvement in the dyeing difference between core yarn and sheath yarn, exposure of core yarn portion, stitch puckering, stitch appearance, etc. having been regarded as drawbacks and excels in high-speed sewability, automatic sewability according to computer control and high sewability of buttonhole, etc.

Inventors:
KIMURA TOSHIHIKO (JP)
SHINTAKU TOMONORI (JP)
YAMAGA NAOKI (JP)
Application Number:
PCT/JP2005/000745
Publication Date:
April 27, 2006
Filing Date:
January 21, 2005
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
KIMURA TOSHIHIKO (JP)
SHINTAKU TOMONORI (JP)
YAMAGA NAOKI (JP)
International Classes:
D02G3/38; D02G3/26; D02G3/28; D02G3/46; (IPC1-7): D02G3/38; D02G3/26; D02G3/28; D02G3/46
Foreign References:
JPS5512814A1980-01-29
JPH0633330A1994-02-08
Attorney, Agent or Firm:
Iwami, Tomonori c/o Intellectual Property Department Toray (Industries Inc., 1-1, Sonoyama 1-chom, Otsu-shi Shiga 58, JP)
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