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. 30, 1976
Filed:
Sep. 29, 1971
Applicant:
Inventors:
Geoffrey Marshall, Harrogate, EN;
Eric Ivan Riseley, Harrogate, EN;
Assignee:
Imperial Chemical Industries, Ltd., London, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
2642 / ;
Abstract
Uniformly drawing tows of synthetic linear thermoplastic polymer filaments between sets of feed rolls and draw rolls by saturating a tow while on the feed rolls with water at a temperature of Tg .+-. 10.degree.C and ensuring that drawing is substantially complete before the tow leaves the last feed roll.