Injection moulding apparatus

Details Injection moulding apparatus Injection moulding apparatus

1974-07-29

1976-10-19

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Dough divider type including trap chamber

Rotating trap chamber pickup

425129R, 425157, 425167, 425324B, 425249, 249 63, 249 68, B29D 2302, B29F 1022

Patent

active

039868060

ABSTRACT:
An injection moulding apparatus having an injection mould and a mandrel insertable within the mould is provided with frustoconical co-operating surfaces on the mandrel and mould respectively which are adapted to engage with one another when the mandrel is inserted in the mould. A sliding connection is provided between the mould and its carrier so that the engagement of the conical surfaces can effect alignment of the axis of the mould with the axis of the mandrel. A locking device is provided for locking the mould to the carrier together with a locking control mechanism which releases the locking device as the conical surfaces approach one another and locks the mould to the carrier when the conical surfaces are fully engaged.

REFERENCES:
patent: 2974362 (1961-03-01), Knowles
patent: 3004291 (1961-10-01), Schod
patent: 3121919 (1964-02-01), Turner
patent: 3159701 (1964-12-01), Herter
patent: 3196483 (1965-07-01), Eyles
patent: 3608133 (1971-09-01), Cyriax et al.
patent: 3647337 (1972-03-01), Dega

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