Heating – Work chamber having heating means – Externally heated – liquid holding type of work container
Patent
1975-07-18
1977-08-16
Camby, John J.
Heating
Work chamber having heating means
Externally heated, liquid holding type of work container
1263435A, 432212, F27B 1408
Patent
active
040423182
ABSTRACT:
For the continuous melting of salts to be used for modifying the properties of objects of glass or similar materials, an apparatus is provided with inner and outer vessels, an annular chamber between the vessels for containing a heat exchange fluid, ribs on the outer walls of the inner vessel for guiding the heat exchange fluid and assisting heat exchange from the heat exchange fluid to the inner vessel, means for transferring heat to the heat exchange fluid, means for circulating the heat exchange fluid through the chamber, means for admitting the salt to the inner vessel, the inner vessel having an upper portion of a semi-circular profile defining a radiant heating surface for radiating heat downwardly onto the salt and having a lower portion of approximately triangular to parabolic profile defining a conduction heating surface for transferring heat to the salt by conduction, the upper surface to be formed by the salt charged to the inner vessel defining a melting surface and the ratio of the area of the radiant heating surface to the melting surface being in the range of 1.4:1 to 1.57:1 and the ratio of the area of the conduction heating surface to the melting surface being in the range of 2.5:1 to 4:1.
REFERENCES:
patent: 507460 (1893-10-01), Simonds
patent: 1466637 (1923-08-01), Babb
patent: 3804154 (1974-04-01), Asdell et al.
Franke Johannes
Kessler Kurt
Muller Wolfgang
Sauerbier Heinz
Schneider Kurt
Camby John J.
VVB Haushalts- und Verpackungsglas
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