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. 21, 1978
Filed:
Oct. 20, 1976
Applicant:
Inventors:
John W Wirtz, Port Huron, MI (US);
Jack E McLane, Port Huron, MI (US);
Assignee:
Wirtz Manufacturing Company, Inc., Port Huron, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
249 78 ; 164D / ; 1643 / ; 164348 ; 249 79 ; 264327 ;
Abstract
The two half sections of a battery grid mold are provided with means for cooling the portions of the mold sections directly adjacent the grid cavity and for heating the larger rear portions of the mold sections. The means for cooling the mold sections comprise a plurality of coolant passageways disposed forwardly of the vertical mid-plane of each mold section.