Venting device

Details Venting device Venting device

2010-01-22

2011-10-18

Heitbrink, Timothy (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With coupling between charger and mold

C264S102000, C425S577000, C425S812000

Reexamination Certificate

active

08038435

ABSTRACT:
A venting device for venting a cavity of an injection mold via a venting opening of the injection mold which cavity can be filled with an injection molding material is provided. The venting device comprising a housing which has a through-opening and is designed and intended for an arrangement on an injection mold in such a way that air which is present in the cavity and which escapes from a venting opening of the injection mold when injection molding material is introduced into the cavity can exhaust through the through-opening of the housing into an exterior space surrounding the injection mold. A valve pin extending longitudinally along a direction of extent and being mounted in the housing movably along its direction of extent. The valve pin is designed for being moved from a venting position, in the direction of the cavity into a first cleaning position.

REFERENCES:
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patent: 5397230 (1995-03-01), Brew
patent: 5460510 (1995-10-01), Gellert
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patent: 2 857 898 (2005-01-01), None
patent: WO 94/05486 (1994-03-01), None

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