Injection moulding mould

Details Injection moulding mould Injection moulding mould

1984-12-13

1987-11-24

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

With product ejector

249 63, 249100, 249152, 249180, 249185, 425442, 425537, 425DIG58, 425DIG218, B29C 4540, B29C 4544

Patent

active

047086327

ABSTRACT:
A mould which is used for the production by injection moulding of fittings which have an inner annular groove includes a divisible outer mould, a mould core and a mould ring. The mould core has a plurality of segments which can be folded together. In order to ensure with absolute reliability that the fitting does not remain clinging to the mould ring during removal of the fitting from the mould, the mould ring is connected to the mould core and is withdrawn together with the mould core from the fitting.

REFERENCES:
patent: 4050505 (1977-09-01), Kemper et al.
patent: 4292269 (1981-09-01), Hock
patent: 4353522 (1982-10-01), Anger
patent: 4412806 (1983-11-01), Gaiser et al.
patent: 4487568 (1984-12-01), Wiatt et al.

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