Heating – Heating or heat retaining work chamber structure – Door – cover or port
Patent
1991-06-05
1993-03-16
Chambers, A. Michael
Heating
Heating or heat retaining work chamber structure
Door, cover or port
432205, 110173R, F23M 700
Patent
active
051939983
ABSTRACT:
A heat treatment apparatus for vacuum and high pressure operation includes a container within a vessel separated by thermal insulation. The vessel has a door for access to the container. Both the container and thermal insulation have separate doors mounted on a common frame pivotally mounted inwardly of the vessel door. The container door can be opened and closed from otuside the vessel when the thermal insulation and vessel doors are closed. Normally the container door is kept open in case of failure of the closing mechanism or in the event of a power failure.
REFERENCES:
patent: Re18668 (1932-11-01), Cope
patent: 1432591 (1922-10-01), Carll
patent: 2262960 (1941-11-01), Osterman
patent: 4883002 (1989-11-01), Schuster
Hack Robert
Lindemann Jens
Netz Erhard
Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
Chambers A. Michael
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