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:
Jan. 13, 1998

Filed:

May. 20, 1996
Applicant:
Inventors:

Paul Philip Brown, Carlsbad, CA (US);

Jens Ole Sorensen, Grand Cayman, KY;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
2643281 ; 2643288 ; 264334 ; 425556 ; 425572 ; 425588 ;
Abstract

In an injection molding apparatus in which first and second mold parts are combined to define therebetween an insulated section of a runner system through which molten plastic material is injected into at least one mold cavity, spring-biased plungers are included in at least one of the first and second mold parts for restraining a shell of plastic material within at least a part of the insulated section of the runner system from contacting any portion of at least one of the mold parts within the insulated section of the runner system other than the plungers when the first and second mold parts are separated from one another.


Find Patent Forward Citations

Brown, Paul. (1998). Method and apparatus for restraining plastic material in insulated (U.S. Patent No. 5707577). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5707577

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

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