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:
Mar. 02, 1976
Filed:
Nov. 26, 1974
Applicant:
Inventor:
Paul Bryce Welsh, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Co., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06B / ; D06B / ;
U.S. Cl.
CPC ...
68 20 ; 28-14 ; 68DI / ; 6818 / ; 68183 ;
Abstract
A yarn extraction and washing apparatus in which a particular arrangement of the yarn passage through the apparatus and fluid conduits connected to the yarn passage for washing and stripping liquid from the yarn and its method of use permits the stripped yarn to travel at a very low tension level.