Injection mould with insert piece and injection moulding unit fo

Details Injection mould with insert piece and injection moulding unit fo Injection mould with insert piece and injection moulding unit fo

1985-12-05

1988-04-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

249134, 264107, 264511, 425504, 425556, 425577, 425584, 425810, 425DIG60, B29C 4514

Patent

active

047370963

ABSTRACT:
The molding apparatus for molding compact discs defines an openable mold cavity and the information bearing disc which forms the impression on the compact disc in held in place by vacuum in the mold cavity in order to allow ready and easy removal and replacement of the insert when necessary.

REFERENCES:
patent: 4213927 (1980-07-01), Alberti
patent: 4466934 (1984-08-01), Cane et al.
patent: 4472124 (1984-09-01), Kashihara et al.
patent: 4629487 (1986-12-01), Monji et al.

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