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:
Jul. 13, 1993

Filed:

Sep. 13, 1991
Applicant:
Inventor:

Isao Okamura, Sagamihara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B05B / ;
U.S. Cl.
CPC ...
239-1 ; 239133 ; 239135 ; 219421 ; 392480 ; 425549 ;
Abstract

The heat of a heater sheath wire is both the heat that is directly transmitted to a heated nozzle main body, and the heat that is indirectly transmitted to the heated nozzle main body via a metal strip and both provide the effect of efficiently heating the heated nozzle main body and producing a significant increase in the performance. The heated nozzle for plastic injection molding according to the present invention is configured so as to have a spiral-shaped groove on its outer periphery, the heater sheath wire that is pressed into the spiral-shaped groove and the metal strip that is wound around the surface of the outer periphery of the heated nozzle main body and is welded to the heated nozzle main body.


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