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:
Apr. 03, 2001
Filed:
Oct. 01, 1998
Jun Takagi, Otsu, JP;
Katsumi Hasegawa, Kusatsu, JP;
Toray Engineering Co., Ltd., Osaka, JP;
Abstract
An apparatus for producing yarns comprising a first yarn feeding roller, a second yarn feed roller, winders for winding the respective yarns, yarn breakage detectors and detect yarn breakage, and yarn cutting and sucking devices disposed upstream from the yarn feed rollers and operative in response to a yarn breakage detection signal to cut the group of yarns being wound to which the broken yarn belongs. The respective one yarn cutting and sucking device and the respective one winder form winding units, respectively, and at least two such winding units share at least one of the yarn feed rollers. Therefore, it is possible to increase the yield of yarns.