Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means between charger and mold to cut off flow of...
Patent
1994-06-21
1996-04-30
Heitbrink, Tim
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means between charger and mold to cut off flow of...
2643289, 425566, B29C 4523
Patent
active
055119689
ABSTRACT:
Injection nozzle for a mould, with a straight sprue. The shutoff valve is accommodated in a suitable seat which obliquely intersects the sprue and opens out in the gate. During injection the head of the shutoff valve leaves the sprue clear. After injection the head of the shutoff valve shuts off the gate.
REFERENCES:
patent: 4595552 (1986-06-01), Hahn
patent: 4685881 (1987-08-01), Sasaki
patent: 4810184 (1989-03-01), Gellert et al.
patent: 4923387 (1990-05-01), Gellert
patent: 5052100 (1991-10-01), Trakas
Guzzini Alberto
Guzzini Cherubino
Guzzini Igino
Guzzini Vinicio
Acrilux S.p.A.
Heitbrink Tim
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