Press roll for treating a material shaped in the form of a web

Details Press roll for treating a material shaped in the form of a web Press roll for treating a material shaped in the form of a web

1997-12-16

1999-08-31

Gerrity, Stephen F.

Presses

Methods

With separation from material of liquid expressed

100118, 100153, 100155R, 162205, 1623584, 162901, 198847, 492 7, 492 20, 492 27, 492 48, 492 50, D21F 302, B30B 300

Patent

active

059439513

ABSTRACT:
Flexible press sleeve for a press roll for treating a web includes an inside surface including a longitudinal press area adapted to be pressurized with a press shoe by directing pressure radially outward, and a flexible section on at least one end of the press area having a greater flexibility than a flexibility of the press sleeve outside the flexible section, without causing a significant weakening of the press sleeve within the flexible section. A press shoe includes the press roll and a mating roll forming a press opening with the press roll. A method of treating a web includes draining a fibrous pulp web by using the press shoe.

REFERENCES:
patent: 2651256 (1953-09-01), Huck
patent: 3710470 (1973-01-01), Krake
patent: 4330023 (1982-05-01), Cronin
patent: 5342277 (1994-08-01), Steiner et al.
patent: 5766421 (1998-06-01), Aufrecht

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