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:
Apr. 19, 1988
Filed:
Mar. 04, 1987
Applicant:
Inventor:
Milton Briggs, York, PA (US);
Assignee:
Graham Engineering Corporation, York, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425461 ; 264173 ; 2642098 ; 4251311 ; 425467 ; 425532 ;
Abstract
A cross head die for extruding an annular layer of thermoplastic resin on a mandril includes a resin flow path having an inlet, a cardioid shaped primary distribution channel, a gate passage, an equilibration chamber and a transfer channel surrounding the mandril and a mouth at the downstream end of the transfer channel opening into a resin extrusion channel surrounding the mandrel.
Briggs, Milton. (1988). Cross head die (U.S. Patent No. 4738611). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4738611
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile