Apparatus and method for injection moulding with ventilation...

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding

Reexamination Certificate

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C264S041000

Reexamination Certificate

active

07850883

ABSTRACT:
An apparatus for injection molding products from a mass including at least natural mono or polymers, provided with at least one mold cavity (2) and a deaeration channel (10) at least partly surrounding the mold cavity (2), wherein, between the deaeration channel and the mold cavity an overflow (8) space is provided which, on the one side, is in communication with the deaeration channel and, on the other side, with the mold cavity (2).

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patent: 1 110 694 (2001-06-01), None
patent: 2000-176956 (2000-06-01), None

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