Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including both heating and cooling means
Patent
1997-05-29
1999-08-17
Pyon, Harold
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including both heating and cooling means
264322, 425407, B29C 5142
Patent
active
059391065
ABSTRACT:
A single-station thermoforming apparatus is provided with at least an oven including a heating panel, formed by two panel portions which can be driven on a plane parallel to the laying plane of a plastics material sheet to be thermoformed and which can be mutually coupled at a common coupling line, thereby providing an even distribution of heat through the overall surface of the plastics material sheet being processed, and preventing any thermal differentials among different regions of the material sheet being processed.
REFERENCES:
patent: 3386503 (1968-06-01), Corning et al.
patent: 3466706 (1969-09-01), Asano
patent: 3597799 (1971-08-01), Earle
Leyson Joseph
Pyon Harold
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