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:
Jun. 14, 1983
Filed:
Oct. 14, 1980
Applicant:
Inventors:
Teiji Nakahara, Ujishi, JP;
Toshifumi Morihashi, Ohtsushi, JP;
Teruo Nakayama, Ohtsushi, JP;
Shinichi Nishimura, Ohtsushi, JP;
Hisaaki Kato, Shigaken, JP;
Ikuzo Uematsu, Kyotoshi, JP;
Takashi Yoshioka, Kyotofu, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
19249 ; 19252 ; 19256 ; 57315 ; 57328 ;
Abstract
A high draft apparatus in a spinning machine for forming a spun yarn from a roving or sliver. The draft apparatus comprises back rollers, apron-provided middle rollers and front rollers and a gripping and a pressing means for a sliver disposed on the front end portion of the apron so that the arrangement of fibers in the drafted sliver is regulated and a high draft ratio can be attained.