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. 24, 1998
Filed:
Mar. 31, 1995
Applicant:
Inventor:
Richard G Hall, Hiram, OH (US);
Assignee:
North American Refractories Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264234 ; 264236 ; 264266 ; 264319 ; 264320 ;
Abstract
The present invention is directed to a co-molding process for producing co-molded, chemical bonded, canned refractory articles which eliminates the costly and problematic firing or sintering steps and which eliminates the time consuming separate canning and sizing of the refractory articles as required by conventional methods. The co-molding process of the present invention comprises the steps of: