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:
Oct. 23, 1990
Filed:
Oct. 25, 1989
Applicant:
Inventors:
Assignee:
Maschinenfabrik Rieter AG, Winterthur, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57 22 ; 57261 ; 57350 ; 1915 / ;
Abstract
A reserve feed stock is pieced with a production feed stock, particularly a roving of a ring spinning machine. The piecing operation can be accomplished by applying twist to predetermine portions of the reserve and production feed stocks and then releasing such applied twist upon separation of the reserve and production feed stocks at predeterminate locations thereof.