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:
Dec. 25, 1990
Filed:
Apr. 18, 1989
Applicant:
Inventors:
Francis P McCullough, Jr, Lake Jackson, TX (US);
Robert T Patton, Lake Jackson, TX (US);
R Vernon Snelgrove, Damon, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ; D02G / ; D02J / ;
U.S. Cl.
CPC ...
28278 ; 28279 ; 28280 ; 28247 ; 28249 ; 19 661 ; 19 662 ;
Abstract
An apparatus for crimping and permanently heat setting a fiber or tow without stress or tension, comprising a mechanical crimping means, a conveying means which receives the crimped fiber or tow, and a heating or irradiation zone through which the conveying means and fiber or tow passes.