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:
May. 16, 1995
Filed:
Jul. 20, 1993
Applicant:
Inventors:
Reinhold Wiedenmann, Lippstadt, DE;
Karl-Christoph Berger, Bad Sassendorf, DE;
Eberhard Nann, Soest/Westfalen, DE;
Assignee:
Hagen Batterie AG, Soest/Westfalen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ;
U.S. Cl.
CPC ...
164138 ; 164 17 ; 164 72 ; 164D / ; 249 80 ;
Abstract
A grid casting mold for the casting of accumulator lead grids has two plates (11, 12) which can be placed against one another with a casting profile (13) or mold cavity complementary to the lead grid which is to be manufactured being formed in their confronting mold surfaces. The plates (11, 12) moreover have a base body (14, 15) which is provided at the profile side with a thermally insulating layer (16, 17) of high temperature fiber ceramic material which is coated on the side remote from the base body (14, 15) with a high wear resistant metal oxide (18, 19).