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.

Date of Patent:
Feb. 07, 1984

Filed:

May. 22, 1978
Applicant:
Inventor:

Leroy C Lin, Richmond, VA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
264 22 ; 2641 / ; 264237 ;
Abstract

Large diameter filaments are produced by increasing the cooling efficiency of a molten polymer as it exits a spinnerette orifice. The cooling is accomplished in a collar configuration having means for directing cooling air and an ionic discharge in a direction transverse to the axis of the filament as it passes through the collar.


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