Vertical type heat-treating apparatus

Details Vertical type heat-treating apparatus Vertical type heat-treating apparatus

1992-02-04

1993-07-13

Yuen, Henry C.

Heating

Work feeding, agitating, discharging or conveying...

Removable furnace bottom section or kiln cart

432253, F27D 312

Patent

active

052268128

ABSTRACT:
A vertical type of heat-treating apparatus is provided with a housing that has an opening portion for the carrying in of an object to be processed to the front surface, a heat-treating furnace for performing the required heat-treatment to the object to be processed and which is provided inside the housing, a standby space for the standby of the objects to be processed and carried into the heat-treating apparatus which is provided underneath the heat-treating furnace, a cleaning air introduction opening provided to a lower portion of the housing, a feed path separated from the standby space and connected to the cleaning air introduction opening, a recirculation path which makes one portion of cleaning gas passed the standby space to flow once again to the standby space, and an air exhaust opening for the exhaust to outside the housing of cleaning air which passes through the standby space.

REFERENCES:
patent: 4610628 (1986-09-01), Mizushina
patent: 4976613 (1990-12-01), Watanabe
patent: 4981436 (1991-01-01), Watanabe

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