Device for heating platelike parts

Details Device for heating platelike parts Device for heating platelike parts

1991-06-19

1993-07-13

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

Including shaping means comprising fluid pressure contacting...

4254051, 425407, B29C 4573

Patent

active

052271773

ABSTRACT:
A device for heating plastic plates using contact heat and hot gases which are supplied to the plastic plate to be heated by carrier plates is provided. Therein, two carrier plates are movable relative to each other vertically with respect to their common contact surface. Gas distribution conduits also open in the contact surface. In order that the plastic plates which are to be heated can be removed properly from the carrier plates, so that damage to the heating device is avoided, each contact surface of both carrier plates is surrounded by a frame-like, closed outer edge without mouth openings for the gas distributions conduits.

REFERENCES:
patent: 3353217 (1967-11-01), Snyder
patent: 4397804 (1983-08-01), Medwed
patent: 4607826 (1986-08-01), Ron
patent: 4689004 (1987-08-01), Kunkel

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