Curtain door for metal reheating furnace

Details Curtain door for metal reheating furnace Curtain door for metal reheating furnace

1989-05-03

1989-09-19

Bennet, Henry A.

Heating

Work feeding, agitating, discharging or conveying...

Having distinct heat shield, conductor, director or...

432250, F27D 300

Patent

active

048676772

ABSTRACT:
A curtain door for use at the charge or discharge openings of a metal reheating furnace the curtain door comprising a horizontal support bar extending across the furnace opening, a horizontal curtain hanger member removably attached to the horizontal support bar and supporting at least two spaced apart metal mesh curtains of unequal length, an insulation means depending from the horizontal support bar adjacent the furnace side of the metal mesh curtain nearest the furnace opening and means to vertically raise or lower the horizontal support bar.

REFERENCES:
patent: 2200619 (1940-05-01), Fallon
patent: 3391658 (1968-07-01), Williams
patent: 3415503 (1968-12-01), Beck
patent: 3467366 (1969-09-01), Westeren et al.
patent: 3561080 (1971-02-01), Hans-Karl Weinlein
patent: 3904355 (1975-09-01), Takahashi
Vol. 1, Industrial Furnaces 5th Edition by W. Trinks and M. H. Mawhinney-Section No. 7, Doors-16 pages of text.

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