Title of Invention

A METHOD FOR PRODUCING A HEAT-RESISTANT CRIMPED YARN

Abstract This invention relates to a method for producing a heat-resistant crimped yarn comprising twisting yarn of a heat-resistant high functional fiber wound on a heat resistant bobbin to form one of a yarn cheese and a yarn corn; twist-setting the twisted yarn by heat treatment; and untwisting the twist-set yarn, wherein a snarl value of the twist-set yarn is not more than 6.5.
Full Text

Documents:

237-kolnp-2003-granted-abstract.pdf

237-kolnp-2003-granted-claims.pdf

237-kolnp-2003-granted-correspondence.pdf

237-kolnp-2003-granted-description (complete).pdf

237-kolnp-2003-granted-drawings.pdf

237-kolnp-2003-granted-examination report.pdf

237-kolnp-2003-granted-form 1.pdf

237-kolnp-2003-granted-form 18.pdf

237-kolnp-2003-granted-form 2.pdf

237-kolnp-2003-granted-form 26.pdf

237-kolnp-2003-granted-form 3.pdf

237-kolnp-2003-granted-form 5.pdf

237-kolnp-2003-granted-letter patent.pdf

237-kolnp-2003-granted-priority document.pdf

237-kolnp-2003-granted-reply to examination report.pdf

237-kolnp-2003-granted-specification.pdf

237-kolnp-2003-granted-translated copy of priority document.pdf


Patent Number 214628
Indian Patent Application Number 237/KOLNP/2003
PG Journal Number 07/2008
Publication Date 15-Feb-2008
Grant Date 13-Feb-2008
Date of Filing 24-Feb-2003
Name of Patentee DU-PONT TORAY CO. LTD.
Applicant Address 5-6 NIHONBASHI HONCHO, 1-CHOME, CHUO-KU, TOKYO 103-0023
Inventors:
# Inventor's Name Inventor's Address
1 KOSUGE KAZUHIKO -DO-
2 HATANO TAKESHI C/O DU PONT-TORAY CO. LTD. HEAD OFFICE, 5-6, NIHONBASHI HONCHO 1-CHOME, CHUO-KU, TOKYO 103-0023
3 TANAHASHI MITSUHIKO TOUWA CITY HOMES SHINGIFU 1002, 2-3, HAKUSANCHO 3-CHOME, GIFU-SHI, FIFU 500-8172
4 NAKABAYASHI IORI C/O TORAY INDUSTRIES, INC. SETA PLANT 1-1, OE 1-CHOME, OTSU-SHI, SHIGA 520-2141
5 KONAKA TAKU C/O TOKAI SENKO K.K. TECHNO CENTER 1-2, NESHINDEN, NISHIBIWAJIMA-CHO, NISHIKASUGAI-GUN, AICHI 452-0068
6 ITO TAKAHIRO -DO-
7 YAMADA MINORU -DO-
PCT International Classification Number D 02 G 3/26
PCT International Application Number PCT/JP01/07971
PCT International Filing date 2001-09-13
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 2000-279922 2000-09-14 Japan