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:
Feb. 19, 1980
Filed:
Sep. 20, 1977
Mitsuo Matsumoto, Osaka, JP;
Kazushige Hayashi, Osaka, JP;
Tsutomu Nakamura, Osaka, JP;
Minoru Yamachika, Osaka, JP;
Teijin Limited, Osaka, JP;
Abstract
Process and apparatus for crimping a filament yarn, the process employed comprising forcing a hot fluid entrained filament yarn into a stuffing chamber in one direction, forcing a cold fluid from an opposite direction into a staying control chamber located down stream of said stuffing chamber, exhausting said hot fluid from the stuffing chamber and exhausting said cold fluid from the staying control chamber respectively. The apparatus comprises a hot fluid jet nozzle having a hot fluid supply conduit connected thereto, a stuffing chamber having a hot fluid exit, a staying control chamber having a cold fluid exit, and a cold fluid supply device in said order.