Apparatus for injection-moulding several moulding materials onto

Details Apparatus for injection-moulding several moulding materials onto Apparatus for injection-moulding several moulding materials onto

1978-02-17

1979-08-28

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

425542, 425556, 425574, B29F 100, B29C 500

Patent

active

041659597

ABSTRACT:
The invention provides a universal hydraulic press for injection-moulding where two separate clamping units, each with a respective mould, are arranged in parallel and are adapted to be brought into alternate engagement with each of two injection units in which a different moulding material may be housed. One of the moulding materials may be injected into one of the moulds following which indexing movement brings the other injection unit into register with that mould for injecting the second material onto the first.

REFERENCES:
patent: 2333059 (1943-10-01), Tucker
patent: 2528509 (1950-11-01), Goodrich
patent: 3482284 (1969-12-01), Rees
patent: 3492696 (1970-02-01), Haller
patent: 3807920 (1974-04-01), Aoki
patent: 3850562 (1974-11-01), Takeuchi et al.
patent: 3914081 (1975-10-01), Aoki

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