The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 2007
Filed:
Sep. 13, 2001
Takeshi Hatano, Tokyo, JP;
Kazuhiko Kosuge, Tokyo, JP;
Mitsuhiko Tanahashi, Gifu, JP;
Iori Nakabayashi, Otsu, JP;
Taku Konaka, Nishikasugai-gun, JP;
Takahiro Ito, Nishikasugai-gun, JP;
Minoru Yamada, Nishikasugai-gun, JP;
Takeshi Hatano, Tokyo, JP;
Kazuhiko Kosuge, Tokyo, JP;
Mitsuhiko Tanahashi, Gifu, JP;
Iori Nakabayashi, Otsu, JP;
Taku Konaka, Nishikasugai-gun, JP;
Takahiro Ito, Nishikasugai-gun, JP;
Minoru Yamada, Nishikasugai-gun, JP;
Du Pont-Toray Co., Ltd., Aichi, JP;
Tokai Senko K.K., Aichi, JP;
Abstract
The present invention relates to a method for producing a heat-resistant crimped yarn comprising: twisting yarn of a heat-resistant high functional fiber; twist-setting this twisted yarn by heat treatment; and untwisting this twist-set yarn, wherein a snarl value of the twist-set yarn is not more than 6.5.