Drying and gas or vapor contact with solids – Apparatus – Spiral treated material path type
Patent
1978-12-29
1980-12-09
Makay, Albert J.
Drying and gas or vapor contact with solids
Apparatus
Spiral treated material path type
34164, 34171, F26B 1526
Patent
active
042376220
ABSTRACT:
An industrial dryer particularly suited for small parts has a tub to contain the parts and a helical ramp along the interior tub wall. Vibratory motion makes the small parts move along the ramp. The tub has a double wall, the inside space between the walls defining an air plenum. The interior wall of the tub is formed with exit spaces through which the hot air emerges and blows over the parts as they move along the ramp. The plenum is continuously supplied with hot air to replace the losses. A unique method of forming the ramp from stair-step segments and partitions forms special conduits which focus hot air streams upon the parts as they move along the ramp in staircase fashion.
REFERENCES:
patent: 375920 (1888-01-01), Bradley
patent: 2794266 (1957-06-01), Bradfield
patent: 2983051 (1961-05-01), Zimmermann et al.
patent: 3343812 (1967-09-01), Moulton
patent: 3512267 (1970-05-01), Eichholz et al.
patent: 3742614 (1973-07-01), Bettermann et al.
Gerstman George H.
Joyce Harold
Makay Albert J.
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