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. 29, 1992
Filed:
May. 11, 1990
Applicant:
Inventor:
Gordon L Allen, Rugby, GB;
Assignee:
AE Piston Products Limited, Braford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164340 ; 164342 ; 164343 ; 164D / ;
Abstract
The die for the production of piston blanks having high dimensional accuracy comprises an integral body and crown forming part with separate internal and pin boss bore cores and a single runner and feeder. Metal utilisation is greatly increased and fettling costs are greatly reduced.