Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1975-12-09
1978-05-16
Kee Chi, James
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
118415, 156 78, B05C 300, B32B 518
Patent
active
040892964
ABSTRACT:
A process for spreading foam material relatively free of undesirable air bubbles, blisters, and blotches, and substantially uniformly in thickness across the full width of continuously advancing sheet material comprising: supplying foam material having a predetermined density to a chamber for containing foam material: filling the chamber substantially completely with the foam material at the predetermined density; maintaining the predetermined density of the foam material in the chamber substantially constant from point of entry thereto to point of exit therefrom; delivering the foam material from the chamber and spreading it relatively free of undesirable air bubbles, blisters, and blotches, and substantially uniformly in thickness across the full width of continuously advancing sheet material; and regulating and controlling the amount and the thickness of the foam material being spread on the continuously advancing sheet material, the regulating and controlling taking place immediately following the delivering of the foam material. Coating apparatus for spreading the foam material is also included.
REFERENCES:
patent: 2426572 (1947-08-01), Alderper
patent: 2910724 (1959-11-01), Grajeck
patent: 2992627 (1961-07-01), Ring
patent: 3181199 (1965-05-01), Voelker
patent: 3235400 (1966-02-01), Voelker
patent: 3526535 (1970-09-01), Plumat
patent: 3604394 (1971-09-01), Ohno et al.
patent: 3793102 (1974-02-01), Day
patent: 3969780 (1976-07-01), Henderson
IBM Technical Disclosure Bulletin, vol. 16, No. 9, Feb. 1974, Saturated Vapor Doctor Blade Assembly, R. W. Nuper & A. F. Schmeckenbocher.
Chi James Kee
Congoleum Corporation
Laughlin Richard T.
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