Variable heat conduction device to be placed between a heating p

Details Variable heat conduction device to be placed between a heating p Variable heat conduction device to be placed between a heating p

1992-02-04

1992-10-20

Hornsby, Harvey C.

Presses

With additional treatment of material

Cutting, breaking, piercing, or comminuting

425407, 165 32, B30B 1534

Patent

active

051560879

ABSTRACT:
In a machine such as a press having at least one heating platen and one cooling platen, it is proposed to place between the said platens a variable heat conduction device (22a), when the operation of the machine requires a phase of heating the part without the application of pressure, followed by a phase of cooling the part under pressure. This device (22a) has two thermally conductive plates (32a, 34a), normally separated by a space under vacuum (52a) under the action of at least one deformable member (36a), which can be elastic or plastic. The application of the pressure passes the device (22a) from a thermally insulating state to a thermally conductive state.

REFERENCES:
patent: 1942251 (1934-01-01), Mains
patent: 2532501 (1950-12-01), Johnson
patent: 2874751 (1959-02-01), Norton
patent: 3808968 (1974-05-01), Notin
patent: 3957107 (1976-05-01), Altoz
patent: 4190484 (1980-02-01), Pohl
patent: 4550057 (1985-10-01), Kataoka
patent: 4806195 (1989-02-01), Namysl

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