Device for molding information-carrying disks

Details Device for molding information-carrying disks Device for molding information-carrying disks

1980-09-04

1982-02-16

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

425810, B29C 2700, B24D 1700

Patent

active

043157238

ABSTRACT:
The device of the invention allows a flexible substrate to be applied against the etched matrix with insertion therebetween of a layer of resin, the application of the substrate on the matrix taking place from the center progressively towards the periphery. It comprises support means in the form of a ring cooperating with a deformable resilient cushion of a convex shape so as to give a curved shape to the substrate at the beginning of molding then to effect the progressive application, while ensuring relative centering of the substrate and the matrix.

REFERENCES:
patent: 2452821 (1948-11-01), Wood
patent: 2998622 (1961-09-01), Renoux
patent: 3112520 (1963-12-01), George et al.
patent: 3918875 (1975-11-01), Phillipson et al.
patent: 4213927 (1980-07-01), Alberti
patent: 4248818 (1981-02-01), Elizabeth

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