Process for obtaining a copy disk from an original recording car

Details Process for obtaining a copy disk from an original recording car Process for obtaining a copy disk from an original recording car

1982-09-23

1984-06-05

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264107, 425810, B29C 2700

Patent

active

044527489

ABSTRACT:
The invention relates to a process for obtaining information-carrying disks by moulding from a recorded matrix. The invention makes it possible to obtain a disk having a recording area and intact areas, which are separated by stop areas. The invention more particularly applies to the production of video disks and disks useable in information technology. It facilitates the installation of covers on the disks.

REFERENCES:
patent: 2346760 (1944-04-01), Kleber
patent: 4315723 (1982-02-01), Antoine

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