Disc record press

Details Disc record press Disc record press

1977-01-28

1979-02-27

Flint, Jr., J. Howard

Static molds

Including means within surface to confine heat exchange medium

Mold part of particular material

249 79, 425116, 425810, 425407, B29D 1700, B29C 1700

Patent

active

041415310

ABSTRACT:
A press element for a disc record press which is heated and cooled by the passage of hot and cold fluids is made from materials of different thermal conductivity so that parts of a surface on which a matrix is attached in use which are further from a fluid channel are related to material of higher thermal conductivity than those parts of the surface which are nearer to a fluid channel.

REFERENCES:
patent: 1307812 (1919-06-01), Errickson
patent: 1576642 (1926-03-01), Bishop
patent: 1943947 (1934-01-01), Bungay
patent: 2501823 (1950-03-01), Leedom
patent: 3474494 (1969-10-01), Damm et al.
patent: 3830459 (1974-08-01), Strausfeld
patent: 3918875 (1975-11-01), Phillipson et al.

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