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:
Sep. 07, 1976
Filed:
Sep. 11, 1975
Applicant:
Inventor:
Peter Herbert Lemon, Sherfield, EN;
Assignee:
Borden, Inc., Columbus, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ; B22C / ;
U.S. Cl.
CPC ...
164 39 ; 164 41 ; 164 43 ; 164138 ; 164203 ; 260-3 ;
Abstract
A contact adhesive that is a polymeric material with a major proportion of a tackifier is applied to sand in making a foundry mold. No curing step for the adhesive is required but instead pressure is applied to get the desired bonding together of the sand granules.