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:
Oct. 08, 1985
Filed:
Dec. 02, 1983
Applicant:
Inventors:
David B Bozoarth, St. Joseph Township, Berrien County, MI (US);
William R Rickel, Royalton Township, Berrien County, MI (US);
Assignee:
Whirlpool Corporation, Benton Harbor, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29D / ;
U.S. Cl.
CPC ...
264150 ; 2642092 ; 2642093 ; 264234 ; 264339 ; 264345 ;
Abstract
A method of treating polypropylene hose to increase its strength and durability is provided by flexing the hose through a plurality of 360 degree rotations while in a bent form to alternately axially compress and extend portions of the hose to increase the molecular alignment of the polypropylene.