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:
Jul. 19, 1994
Filed:
Mar. 31, 1993
Applicant:
Inventor:
Wendelin Weimann, Klettgau, DE;
Assignee:
Georg Fischer AG, Schaffhausen, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ;
U.S. Cl.
CPC ...
164229 ; 164-41 ;
Abstract
A method and an apparatus for marking green sand molds are proposed, in which the surface of the sand is individually marked by means of an identification once compacting of the molds in the mold cavity has taken place, in such a way that the marking is transferred from the surface of the sand to the casting by the casting operation.