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:
Sep. 03, 1985
Filed:
Sep. 26, 1983
Applicant:
Inventor:
James W Hare, Martinsville, VA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
2641 / ; 2642101 ; 2642893 ; 425 66 ;
Abstract
An improved high-speed spinning process for making steam-conditioned partially-oriented polyamide draw-texturing feed yarns involves controlling the wall temperature of the lower portion of a steam conditioning tube independently of the steam flow and temperature in the upper tube.