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. 29, 2003

Filed:

Nov. 20, 2000
Applicant:
Inventor:

Harald Schmidt, Georgetown, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/523 ;
U.S. Cl.
CPC ...
B29C 4/523 ;
Abstract

In an injection molding machine, an apparatus for automatically controlling the movement of two or more valve pins wherein each valve pin is driven by a separately controlled fluid driven cylinder each cylinder being mounted on a heated manifold and being interconnected to a separate valve pin for effecting reciprocal movement of the valve pin wherein the reciprocal movement of the valve pin controls the flow of molten plastic being delivered through a nozzle which delivers molten plastic to a gate of a mold.


Find Patent Forward Citations

Schmidt, Harald. (2003). System for individual control of multiple valve gates (U.S. Patent No. 6554604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6554604

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

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