Bell furnance and hardening vat arrangement

Details Bell furnance and hardening vat arrangement Bell furnance and hardening vat arrangement

1988-05-31

1989-08-22

Brody, Christopher W.

Metallurgical apparatus

Means treating solid metal

266274, 266287, 266253, C21D 900

Patent

active

048588938

ABSTRACT:
A bell furnace (2) and hardening vat (3) arrangement comprises charge (4) supporting means (14, resp. 29, 32, 33) connected to the bell and extending toward the center of the bell. It comprises means (18, 18', resp. 28) for imparting solely to the bell either a vertical and rotary movement or only solely a vertical movement, while the vat (3) is under the furnace (1), in such a way that the bell can be brought against the top plane of the vat, the bell/vat unit forming a tight enclosure at the time of hardening. A lift can introduce into the bell, and the means (18, 18;, resp. 31, 34, 37) co-operate at the same time in the release of the charge and in the placing of the latter on the supporting means (14).

REFERENCES:
patent: 1481338 (1924-01-01), Baldwin
patent: 1838015 (1927-06-01), Forster et al.
patent: 1876960 (1929-01-01), Kenworthy
patent: 3381947 (1968-05-01), Beggs
patent: 4415145 (1983-11-01), Herdieckerhoff

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