Coke oven door with wraparound gas channel and membrane

Details Coke oven door with wraparound gas channel and membrane Coke oven door with wraparound gas channel and membrane

2007-01-23

2007-01-23

Caldarola, Glenn (Department: 1764)

Distillation: apparatus

Apparatus

Elements

C202S242000, C202S244000, C202S247000, C202S248000, C202S269000, C202S270000

Reexamination Certificate

active

10498677

ABSTRACT:
A coke-oven door has an annular periphery normally juxtaposed with an annular door frame. A seal assembly for the door has at least two flexible, relatively displaceable, metallic, and annular membranes each having an annular inner periphery and an annular outer periphery and a U-section channel fixed to the outer periphery of only one of the membranes, open toward the door, and having annular inner and outer edges. The other membrane bears on the one membrane and therethrough on the channel. A mount secures the inner peripheries of the membranes to the periphery of the door. A spring urges the edges of the channel with a spring force against the door frame.

REFERENCES:
patent: 4016045 (1977-04-01), Van Ackeren
patent: 4400240 (1983-08-01), Abendroth
patent: 4486271 (1984-12-01), Lorenz
patent: RE34184 (1993-02-01), Baird et al.
patent: 5395485 (1995-03-01), Nashan et al.
patent: 0 417 610 (1991-03-01), None
patent: WO 01/30939 (2001-05-01), None

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