Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1978-01-13
1980-01-15
Moore, Christopher K.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34160, 15306A, 15345, F26B 504
Patent
active
041831470
ABSTRACT:
A fabric drying method is disclosed in which compressed air or vapor is blown at high or supersonic speed from a slit toward a fabric sheet passing over the curved surface of a back-up roll or bar. By the impact pressure of said high speed air, moisture in the fabric sheet is blown out with a part of said high speed air passing through the fabric sheet and, when necessary, the remaining moisture is suctioned through ports in said back-up roll or bar. Apparatus for dehydrating fabrics, including a compressed air chamber with a slit discharge and a fabric support and back-up roll having a point of tangency with the fabric offset downstream from the slit with respect to the direction of fabric movement is also disclosed. The apparatus has means for exposing the fabric to negative air pressure at a point offset upstream from the slit with respect to the direction of movement of the fabric.
REFERENCES:
patent: 1375663 (1921-04-01), Ainsworth
patent: 2875846 (1959-03-01), Yonkers
patent: 3037557 (1962-06-01), Faeber et al.
patent: 3420710 (1969-01-01), Wollman
patent: 3574261 (1971-04-01), Bailey et al.
patent: 3917888 (1975-11-01), Beam et al.
patent: 3992746 (1976-11-01), Rhodes
Kabushiki Kaisha San Giken
Moore Christopher K.
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