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:
Oct. 30, 1979
Filed:
Mar. 12, 1975
Applicant:
Inventor:
William E Whitchurch, Des Plaines, IL (US);
Assignee:
Millmaster Onyx Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B28B / ; B29C / ;
U.S. Cl.
CPC ...
264 51 ; 106 3822 ; 156289 ; 249115 ; 264213 ; 264299 ; 264300 ; 264331 ; 264338 ; 264D / ;
Abstract
A method of releasing molded articles from a mold by coating the mold with zero grain soft water prior to insertion of the material to be molded into the mold, zero grain soft water meaning the substantially total absence of divalent ions, such as calcium or magnesium, in the water.