Pressing device for manufacturing of storage substrates

Details Pressing device for manufacturing of storage substrates Pressing device for manufacturing of storage substrates

1973-12-04

1976-03-23

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Surface deformation means only

425383, 425406, 425411, 425810, 264107, B29C 300

Patent

active

039457907

ABSTRACT:
A device for pressing storage substrates made of thermoplastic material. It comprises: a press having two plates, a matrix attached to one of the plates, the matrix carrying the data to be stored in said substrate, and, arranged between the plates, one rubber sheet, on polyethyleneterephtalate sheet and a metal film. The superimposition of these different materials ensuring a properly uniform pressure over the substrate.

REFERENCES:
patent: 2609568 (1952-09-01), Getchell
patent: 2985910 (1961-05-01), Van Houten
patent: 3019482 (1962-02-01), Van Houten
patent: 3052586 (1962-09-01), Brown
patent: 3072519 (1963-01-01), Salzman
patent: 3534440 (1970-10-01), Roberts
patent: 3737276 (1973-06-01), Hill et al.

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