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. 14, 1979
Filed:
Dec. 08, 1977
Applicant:
Inventors:
Assignee:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29F / ; B29F / ;
U.S. Cl.
CPC ...
264115 ; 264328 ;
Abstract
Process for injection molding ultra high molecular weight polyethylene by injecting the ultra high molecular weight polyethylene into a cavity having a volume 1.5-3.0 times that of the injected polyethylene at a shear rate of at least 50,000 sec..sup.-1 measured at the gate of the injection nozzle and then compressing the cavity to a volume less than 1.5 times that of the injected polyethylene.
Quick Actions:
Shiraki, Takeshi. (1979). Injection molding of ultra high molecular weight polyethylene (U.S. Patent No. 4164531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4164531
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile