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. 29, 1976
Filed:
Apr. 18, 1974
Applicant:
Inventor:
Yoshiaki Yoshida, Kariya, JA;
Assignees:
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Osaka, JA;
Daiwa Boseki Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ;
U.S. Cl.
CPC ...
57 5889 ; 57 774 ; 57106 ;
Abstract
In a spinning apparatus comprising a spinning rotor and a centrally arranged thread drawoff tube for drawing off thread from the spinning chamber, an improved thread drawoff tube having a thread passage for delivering the thread from the tube is provided, the thread passage being provided with a combination of a curved ring shaped friction surface and a flat ring shaped friction surface formed outside of the curved ring shaped surface, the friction resistance of the thread passage decreasing toward the outer edge of the flat ring shaped surface.