Kiln

Details Kiln Kiln

1998-03-12

2000-10-17

Walberg, Teresa

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

432123, 432142, A21B 100

Patent

active

061335517

ABSTRACT:
A gas or electrically heated kiln furnace in which the hearth is stationary and an outer shell or wall with a door for access rotates around a stationary hearth. Loading and unloading is accomplished by rotating the outer shell to align the door with a position where a workpiece is to be inserted or removed. The kiln can be used as an up draft or down draft kiln, as a single chamber or a progressive chamber kiln. This kiln uses minimum floor space in that a circular shell is not rolled back but rotated about a hearth, around a vertical axis.

REFERENCES:
patent: 313698 (1885-03-01), Weaver
patent: 1280889 (1918-10-01), Spang
patent: 2622861 (1952-12-01), Talley
patent: 3443931 (1969-05-01), Beggs et al.
patent: 4020322 (1977-04-01), Muse
patent: 4412813 (1983-11-01), Wulf
patent: 4622006 (1986-11-01), Hohne
patent: 4622905 (1986-11-01), MacDougall et al.

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