Heat treatment furnace and heat treatment facility...

Details Heat treatment furnace and heat treatment facility... Heat treatment furnace and heat treatment facility...

2011-07-19

2011-07-19

Wilson, Gregory A (Department: 3749)

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

C432S145000

Reexamination Certificate

active

07980851

ABSTRACT:
With regard to a heat treatment furnace (a solution furnace1and an ageing furnace3), a furnace chamber15comprises a furnace body12opening downward and a floor body14closing the lower opening of the furnace body12and rotatably driven, and one or plural stages of mounting shelves16on which work pieces8are mounted are provided in the furnace chamber15. Hot-air circulation equipments20A and20B circulating hot air in the furnace chamber15along the peripheral direction when viewed in plan are provided in the furnace body12. The mounting shelves16are fixed to a prop17standingly provided on the floor body14and are rotated integrally with the floor body14.

REFERENCES:
patent: 4591337 (1986-05-01), Gillhaus
patent: 7210990 (2007-05-01), Buchmann et al.
patent: 63-177952 (1988-11-01), None
patent: 02-050080 (1990-02-01), None
patent: 05-172464 (1993-07-01), None
patent: 2819292 (1998-08-01), None
patent: 11-156528 (1999-06-01), None
patent: 2003-183725 (2003-07-01), None

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