Jet pipe seal

Details Jet pipe seal Jet pipe seal

1977-07-07

1979-01-16

Dority, Jr., Carroll B.

Heating

Work chamber having heating means

Heating tube, element, or flue traverses work space

126 91A, F23B 514

Patent

active

041347200

ABSTRACT:
A jet pipe containing a burner extends through the interior of an industrial furnace. A seal for sealing the interior of the jet pipe from the interior of the industrial furnace, is positioned between an end face of the jet pipe and a flange having a recess in which the end face of the jet pipe seats. The seal is made of a material, preferably a lead-copper alloy, which is in the solid state when the temperature of the furnace is below a predetermined operating range and which changes into the plastic state as the temperature of the furnace increases and reaches the operating range of the furnace. Preferably, the seal is shaped as an annular member with a cylindrical extension having an outside diameter corresponding to the inside diameter of the jet pipe.

REFERENCES:
patent: 2822798 (1958-02-01), Ipsen
patent: 3154133 (1964-10-01), Launder

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