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
1991-01-18
1992-04-14
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...
251315, 425566, B29C 4523
Patent
active
051043076
ABSTRACT:
Injection nozzle for use in a device for moulding an object of a thermoplastic material in an injection mould, comprising a nozzle with a feed channel (4) running through it which connects at the bottom end to a jet passage (7) and at this end has a ball-shaped closing element (9) which can be turned by means of control means (11, 12, 13) from a position in which the inlet aperture of the jet passage extending through the member (9) coincides with the end aperture at the bottom end of the feed channel to a position in which said inlet aperture lies entirely outside the above-mentioned end aperture, so that the end aperture of the feed channel is blocked by the member.
REFERENCES:
patent: Re28721 (1976-02-01), Farrell
patent: 2637073 (1953-05-01), Walther
patent: 2770842 (1956-11-01), Hahn et al.
patent: 3743465 (1973-07-01), Asner
patent: 3758248 (1973-09-01), Drazick
patent: 4330258 (1982-05-01), Gellert
patent: 4832593 (1989-05-01), Brown
Eurotool B.V.
Heitbrink Tim
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