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:
Mar. 22, 1994
Filed:
Feb. 18, 1992
Applicant:
Inventors:
Kurt F O'Connor, Carmel, IN (US);
James P Hoff, Greenfield, IN (US);
Donald J Frasier, Greenwood, IN (US);
Ralph E Peeler, Reelsville, IN (US);
Heidi Mueller-Largent, Indianapolis, IN (US);
Floyd F Trees, Bloomington, IN (US);
James R Whetstone, Indianapolis, IN (US);
John H Lane, Indianapolis, IN (US);
Ralph E Jeffries, Indianapolis, IN (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ; B22D / ;
U.S. Cl.
CPC ...
164516 ; 164133 ; 164 34 ; 164137 ;
Abstract
Disclosed is a single-cast, thin wall structure capable of withstanding impinging gases at temperatures of 4300.degree. F. and higher, and method of making the same. Using a bleed line of the instant invention allows for a decreasing metal pressure with respect to time which prevents any damage to the thin outer mold wall.