Rotating chains or rings carry vertically hanging trays for...

Details Rotating chains or rings carry vertically hanging trays for... Rotating chains or rings carry vertically hanging trays for...

2006-02-14

2006-02-14

Wilson, Gregory (Department: 3749)

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

C099S427000, C126S04100R, C126S02100R

Reexamination Certificate

active

06997705

ABSTRACT:
A furnace for energy saving and space reduction used in electronic industry assembly, medical sterilization, or food process application is provided. In the furnace there is a number of trays hinged on a pair of continuous chains which movement is in a circle or oval trajectory, or on the rotating beam mechanism constituting as spider web form. A pair of rings is added to restrain the swing movement of each tray via the mechanical linkage during rotation. A dome formed at the top portion inside the furnace is used as an enclosure where the heated inert gas is almost kept. The electric power for heater and blower can be reduced by the natural convection. An opening is located at the lower portion of the furnace; so the operator can do loading and unloading performance.

REFERENCES:
patent: 1399750 (1921-12-01), Dalton et al.
patent: 2032751 (1936-03-01), Hatch
patent: 2637283 (1953-05-01), Klein et al.
patent: 3074360 (1963-01-01), Vaughan
patent: 4184420 (1980-01-01), Podaras et al.
patent: 5393039 (1995-02-01), Smith
patent: 5570627 (1996-11-01), Dahlstrom et al.
patent: 5704278 (1998-01-01), Cross
patent: 6796301 (2004-09-01), Haas et al.

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