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:
Aug. 21, 1979
Filed:
May. 31, 1978
Applicant:
Inventors:
Fumio Tanae, Iyo, JP;
Hirokazu Matsuoka, Matsuyama, JP;
Assignee:
Teijin Seiki Company Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ; D02G / ;
U.S. Cl.
CPC ...
57-2 ; 57284 ; 57289 ; 57339 ; 57350 ;
Abstract
Herein disclosed is an apparatus for producing a bulky yarn like natural fibers. The apparatus comprises a twist mechanism provided on a yarn travelling path for twisting and untwisting a yarn; a rubbing mechanism provided on the yarn travelling path of the yarn which is twisted by the twist mechanism and having a rough surface so as to rub filaments constituting the yarn for imparting scratches thereto; and a stretching mechanism provided on the downstream of the rubbing mechanism along the yarn travelling path of the untwisted yarn to stretch the yarn so that the filaments are severed at their scratches to produce a bulky yarn.