Press for the injection moulding of plastic materials with a dou

Details Press for the injection moulding of plastic materials with a dou Press for the injection moulding of plastic materials with a dou

1995-04-24

1997-02-18

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

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

With means to close mold

100272, 100286, 4254516, B29C 4568

Patent

active

056039697

ABSTRACT:
A press for the moulding of plastic materials (or for die-casting) of the type with a double-toggle closing unit, having an additional mobile plate (20) which is guided on columns (14) and can be moved between the closing plate (11) and the mobile mould-holder plate (13) and which has two opposing wings (20') outside the guiding columns (14) turned towards the closing plate (11) and such as to pass outside this when the additional plate (20) is moved towards the closing plate (11) to open the press. The toggles (18) are connected to said wings (20') of the additional plate (20) and turn folding themselves back towards the outside of the columns and towards the closing plate (11) when the additional plate moves from the press closing position to the opening position.

REFERENCES:
patent: 3914087 (1975-10-01), Brocchi
patent: 5252286 (1993-10-01), Bugatti

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