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:
Feb. 28, 1978
Filed:
Aug. 01, 1975
Applicant:
Inventor:
Rudolph A Skriletz, Marysville, OH (US);
Assignee:
Wallace-Murray Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
264 39 ; 134-3 ; 264233 ; 264335 ; 264344 ;
Abstract
A method of restoring the fluid permeability of the surface of the mold face of a used, ceramic, fluid-release mold body which has become fouled with accumulated silicate material from the plastic clay composition formed by the mold, comprising treating the fouled surface with a fluorine containing acid such as fluosilicic acid, or hydrofluoric acid.