Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool
Patent
1981-06-19
1985-05-14
Parrish, John A.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to heat or cool
425564, 425566, 425568, B29F 103
Patent
active
045169276
ABSTRACT:
This invention relates to a pointed heat-generating device for molds of injection molding machines. It comprises a metal casing, a pointed projectile heat-generating means fixed with the metal casing, and a gate formed at the pointed heat-generating means and communicated to a cavity of the molds, characterized in that a heat-generating wire is penetrated wholly into a passage which is bored in a non-processed cylindrical material and an alloy portion is formed in an inert gas between an end of the heat-generating wire and the non-processed cylindrical material, thereby the alloy portion being formed as a pointed part of the heat-generating means by machining.
REFERENCES:
patent: 3800027 (1974-03-01), Tsutsumi
patent: 3952927 (1976-04-01), Schaumburg
patent: 4373132 (1983-02-01), Vartanian
patent: 4376244 (1983-03-01), Gellert
Parrish John A.
Seiki Engineering & Research Co. Ltd.
Striker Michael J.
Tsutsume Shigeru
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