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. 20, 1982
Filed:
Apr. 20, 1978
Applicant:
Inventor:
Timothy R Bauer, Euclid, OH (US);
Assignee:
Precision Metalsmiths, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ;
U.S. Cl.
CPC ...
164 35 ; 164165 ; 164350 ; 164361 ;
Abstract
Method and apparatus for producing ceramic shell molds characterized in that a plurality of pattern set-ups are arranged with their longitudinal axes transverse to an axis of rotation and are rotated as a group while applying fluent refractory material to produce either a multiple number of molds or a single mold. A ceramic shell mold characterized by a main sprue passage, a plurality of transverse sprue passages extending therefrom, and casting cavities gated into the transverse passages.