Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Bulk deposition of particles by differential fluid pressure
Patent
1989-01-20
1990-04-10
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Bulk deposition of particles by differential fluid pressure
264113, 264116, 425 811, 425 821, D04H 172
Patent
active
049158970
ABSTRACT:
A pad is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumulated in pocket molds moving on a conveying screen that is moved parallel to the axes of the lickerins. A baffle plate may be inserted into the mixing zone and acts to control the lateral or cross-sectional composition of a web formed by the fibers accumulated in the molds. When different fibrous materials are fed to the lickerin along their length, the vertical composition of the web is altered. Because of the pocket molds the pads are formed as individually shaped products.
REFERENCES:
patent: 1695327 (1928-12-01), Goldston
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patent: 3740797 (1973-06-01), Farrington
patent: 3772739 (1973-11-01), Lovgren
patent: 3857657 (1974-12-01), Teed
patent: 3963392 (1976-06-01), Goyal
patent: 4666647 (1987-05-01), Enloe et al.
patent: 4701294 (1987-10-01), Radwanski et al.
Farrington Allan P.
Marshall Gerald M.
Wereson Nicholas
Chicopee
Fertig Mary Lynn
Shirtz Joseph F.
Silbaugh Jan H.
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