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:
Nov. 10, 1992

Filed:

Jan. 23, 1992
Applicant:
Inventor:

Norman S Loren, Warren, MI (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425130 ; 264572 ; 425573 ; 425812 ;
Abstract

A unitary nozzle for use in a gas assisted injection molding process wherein the nozzle includes a central axial resin passageway, a land portion of the nozzle extends radially into the resin passageway proximate the downstream or discharge end of the nozzle to define a generally U-shaped resin passageway terminating in a U-shaped aperture at the nozzle tip, and a central gas passageway is provided on the central axis of the nozzle within the land portion and exiting the nozzle in a circular aperture embraced within the U-shaped resin aperture at the downstream end of the nozzle so that mixing of the resin and gas during the injection and venting processes is minimized and so that ingestion of resin into the gas passageway during the venting process is minimized.


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