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.

Date of Patent:
Apr. 30, 1991

Filed:

Feb. 24, 1989
Applicant:
Inventor:

Rene Bertschi, Toronto, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
2642972 ; 26432811 ; 425572 ; 425574 ; 425588 ;
Abstract

A method and apparatus for injection molding thermoplastic material including a stack mold and an injection unit with a movable sprue bar communicating with the runner system. The sprue bar is releasably engaged with the runner system by relative movement in a direction perpendicular to the horizontal central axis of the stack mold.


Find Patent Forward Citations

Bertschi, Rene. (1991). Method and apparatus for injection molding using a movable sprue bar (U.S. Patent No. 5011646). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5011646

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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