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. 05, 1978
Filed:
Aug. 03, 1976
Applicant:
Inventor:
John Helge Haglund, Danbury, CT (US);
Assignee:
The Kanthal Corporation, Bethel, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164138 ; 164363 ; 164409 ; 249112 ; 249137 ; 249174 ;
Abstract
A high melting temperature metal, casting mold is made of sheet metal embedded in a supporting mass of refractory particles preventing deformation of the sheet metal under the weight of the cast metal and conducting heat from the sheet metal at a rate preventing complete melting of the sheet metal.