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:
Aug. 16, 1977
Filed:
Mar. 18, 1974
Applicant:
Inventors:
Thomas F Corbin, Jr, Asheville, NC (US);
Brewster B Eskridge, Asheville, NC (US);
Boyce M Lyon, Asheville, NC (US);
Assignee:
Akzona Incorporated, Asheville, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; D01F / ; D06M / ;
U.S. Cl.
CPC ...
2642 / ; 106245 ; 2642 / ;
Abstract
The present process and apparatus are directed to the continuous spinning and drawing of polyamide yarn wherein an aqueous emulsion spin finish is applied to undrawn yarn and the yarn liveliness on the first or winding godet is significantly reduced by use of a first and substantially unheated godet having an increase in diameter from the first to at least the second yarn wrap prior to drawing and take-up.