Presses – Concurrent pressing and conveying – Endless conveyer type
Patent
1985-12-13
1987-12-08
Feldman, Peter
Presses
Concurrent pressing and conveying
Endless conveyer type
100 93RP, 1565835, 277 27, 277 71, 277 73, 277181, 277235A, B30B 506
Patent
active
047111682
ABSTRACT:
A double band press is used for processing a continuous sheet material passing through the press. The press includes a rigid press frame including reversing drums mounted in bearing supports on the frame. An upper and a lower endless press belt run over different ones of the drums and each press belt in combination with a pressure plate and sliding seal form a pressure chamber for exerting pressure against a reaction zone located between adjacent runs of the press belts. The sliding seal is positioned within a groove in the pressure plate and is displaceable and is pressed toward the inner surface of the press belt. A fluid pressure medium in the pressure chamber provides the pressing action on the press belt. The sliding seal includes a metal body with a surface facing the inner surface of the press belt and a dry surface layer is provided in the surface facing the press belt so that the dry surface layer is in sliding frictional contact with the press belt.
REFERENCES:
patent: 684617 (1901-10-01), Rathbun
patent: 3615099 (1971-10-01), Prasse
patent: 3620158 (1971-11-01), Torelli et al.
patent: 4285525 (1981-08-01), Held
patent: 4541889 (1985-09-01), Held
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