Heating – Work feeding – agitating – discharging or conveying... – Removable furnace bottom section or kiln cart
Patent
1988-09-26
1990-12-11
Bennet, Henry A.
Heating
Work feeding, agitating, discharging or conveying...
Removable furnace bottom section or kiln cart
432253, 432 11, F27D 312
Patent
active
049766139
ABSTRACT:
Disclosed is a heat treatment apparatus comprises a body having an opening section on the clear room side, a furance disposed in the body, a process tube arranged elevatably relative to the furnace, and a preventing plate arranged closably at the opening section for shutting off the opening section when it is closed, thereby it is possible to prevent dust from entering into the clean room by closing the opening section with the preventing plate. Further, disclosed is an heat treatment apparatus wherein the process tube is supported by arms, these arms being horizontally receiprocated between the space section below the furnace and position outside of the space section, where the process tube is located, while the arms are elevated and lowered so that the process tube supported on the arms is delivered to and received from the elevaotr, and the process tube is supported, elevated and lowered by the elevator, relative to the furnace, thereby it is possible to move the process tube and to mount and remove the same to and from the body without relying upon human hands, thereby it is possible to facilitate the movement operation of the process tube and enhance the economy of operation and the safety of working.
REFERENCES:
patent: 4543059 (1985-09-01), Whang et al.
patent: 4610628 (1986-09-01), Mizushina
patent: 4738618 (1988-04-01), Massey et al.
patent: 4770590 (1988-09-01), Hugues et al.
Bennet Henry A.
Kilner C.
Tel Sagani Limited
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