Furnace seal

Details Furnace seal Furnace seal

1989-12-28

1991-04-09

Yuen, Henry C.

Heating

Work chamber having heating means

Work chamber having gaseous material supply or removal...

432206, F27B 504

Patent

active

050060643

ABSTRACT:
A gas seal for a bell-type annealing furnace is described. A ring supported by the furnace cover and a resilient pad supported by the base mate to form a gas seal when the cover is rested on the base. A cover-supported cooling jacket and a base-supported cooling jacket cooperate to enclose the seal when the cover is rested on the base. Load bearing structure is provided independent of the seal elements to avoid subjecting the seal elements to the weight of the furnace cover.

REFERENCES:
patent: 3081074 (1963-03-01), Blackman et al.
patent: 3114539 (1963-12-01), Wilson et al.
patent: 3179394 (1965-04-01), Sims et al.
patent: 3184225 (1965-05-01), Wilson
patent: 3411763 (1968-11-01), Blackman et al.
patent: 3554511 (1971-01-01), Wald
patent: 3572666 (1971-03-01), Fehr
patent: 3596891 (1971-08-01), Hill
patent: 4813654 (1989-03-01), Singler
patent: 4846675 (1989-07-01), Soliman
patent: 4867675 (1989-09-01), Blackman

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