Heated platen

Details Heated platen Heated platen

1980-01-25

1981-05-26

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Including both heating and cooling means

425384, 425445, 425817R, 249 79, 249141, B29C 500

Patent

active

042695864

ABSTRACT:
A platen capable of being heated is disclosed wherein fluid flow zones containing heat exchange channels are individually sealed. The heat exchange channels in the platen are connected by a connecting channel sized so that the distance from the connecting channel to a vent passage or a vented opening in the platen is not less than the distance from the vent passage or vented opening to the heat exchange channel. The sealing of the fluid flow zones is accomplished with plugs and end plates which are welded to the platen and then welded together with a fillet weld.

REFERENCES:
patent: Re15608 (1923-05-01), Burroughs
patent: 2613395 (1952-10-01), Massler
patent: 2976571 (1961-03-01), Moslo
patent: 3358061 (1967-12-01), Gidge et al.
patent: 3577843 (1971-05-01), Kutik et al.
patent: 3765810 (1973-10-01), Smarook
patent: 3830459 (1974-08-01), Straufeld
patent: 3854852 (1974-12-01), Carter
patent: 3871811 (1975-03-01), Barry et al.
patent: 4003687 (1977-01-01), Hedin
patent: 4113909 (1978-09-01), Beasley

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