Drying and gas or vapor contact with solids – Apparatus – Gravity flow type
Patent
1996-10-24
1998-09-08
Bennett, Henry A..
Drying and gas or vapor contact with solids
Apparatus
Gravity flow type
34175, 34194, 34196, 433 77, 433 79, F26B 1712
Patent
active
058027351
ABSTRACT:
A dryer for drying dental models includes a solid base member, a top member, a variable plurality of modular drying units, each of which includes a frame and a slidable, foraminous tray, an air blower and an articulated support arm. In use, the modular drying units are positioned in an over-and-under stacked relation, such that the slidable trays therein form a column of trays. Each slidable tray contains a central aperture and a duct extending upward from the perimeter of the central aperture. The aperture and duct in the center of each tray collectively form a channel running through the center of the column of trays. The base member is fixedly connected to the articulated support arm, which supports the dryer. The top member, which is positioned on top of the uppermost modular drying unit, includes a central aperture with an inlet tube inserted therein and exhaust vents around the perimeter of its top surface for the release of air. The air blower is inserted into the inlet tube in the central aperture of the top member. The air blower propels heated air downward through the channel in the center of the column of trays towards the base member. When the air reaches the solid base member, it is deflected outward and upward through the foraminous trays, passes over and quickly dries the dental models and then exits through the exhaust vents.
REFERENCES:
patent: 1001660 (1911-08-01), Macklind
patent: 1409915 (1922-03-01), Barducci
patent: 2911732 (1959-11-01), Webb
patent: 3936937 (1976-02-01), Gordon
patent: 4190965 (1980-03-01), Erickson
patent: 4236063 (1980-11-01), Glucksman
patent: 4445859 (1984-05-01), Hoffmeister et al.
Bennett Henry A..
Gravini Steve
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