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. 31, 1987
Filed:
Dec. 09, 1985
Applicant:
Inventor:
Joseph Ward, Wisconsin Dells, WI (US);
Assignee:
Superior Die Set Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425190 ; 4251 / ; 425567 ; 425569 ;
Abstract
A locking ring for use in an injection molding machine and for securing a sprue bushing in place with respect to a mold plate assembly such that the sprue bushing is retained in place with respect to movement in the direction of the longitudinal axis of the sprue bushing bore, and from rotating in the bore.