Plastic and nonmetallic article shaping or treating: processes – Disparate treatment of article subsequent to working,... – Effecting temperature change
Patent
1982-05-07
1984-07-17
Czaja, Donald E.
Plastic and nonmetallic article shaping or treating: processes
Disparate treatment of article subsequent to working,...
Effecting temperature change
165126, 165169, 264347, B29C 2500
Patent
active
044605331
ABSTRACT:
An apparatus and method for the heat treatment of a product such as in the curing of rubber-like materials and the thermoforming of plastics materials. A metallic heat transfer member is provided for contacting the product to transmit heat thereto. In order to obtain a uniform temperature distribution over the heat transfer member/product interface, one or more gas distribution passageways receive hot gas from a hot gas source such as a gas burner and lead the hot gas to the heat transfer member. One or more heat transfer passageways contiguous with the heat transfer member communicate with the gas distribution passageway so as to receive hot gas from the latter passageway and lead same to an exhaust outlet.
REFERENCES:
patent: 1397209 (1921-11-01), Hawkinson
patent: 1895564 (1933-01-01), Beu
patent: 3690796 (1972-09-01), Borsvold
patent: 4098331 (1978-07-01), Ford et al.
Cox Robert W.
Hands David
Janikowski Herbert E.
Walker David L.
Becker Mary A.
British Gas Corporation
Czaja Donald E.
Rubber & Plastics Research Assoc. of G. Britain
Zegeer Jim
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