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:
Mar. 18, 2008

Filed:

Oct. 31, 2003
Applicants:

Thomas Y-t. Tam, Richmond, VA (US);

Chok Bin Tan, Richmond, VA (US);

Lori L. Wagner, Richmond, VA (US);

Charles R. Arnett, Richmond, VA (US);

Inventors:

Thomas Y-T. Tam, Richmond, VA (US);

Chok Bin Tan, Richmond, VA (US);

Lori L. Wagner, Richmond, VA (US);

Charles R. Arnett, Richmond, VA (US);

Assignee:

Honeywell International Inc., Morristown, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 47/88 (2006.01); D01F 6/04 (2006.01); D01D 5/12 (2006.01); D01D 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for drawing essentially diluent-free gel-spun polyethylene multi-filament yarns in a forced convection air oven and the drawn yarns produced thereby, The process conditions of draw ratio, stretch rate, residence time, oven length and feed speed are selected in specific relation to one another so as to achieve enhanced efficiency and productivity. The drawn yarns are useful in armor, composites, fishing line, ropes, sutures, fabrics and other applications.


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