Calender for treating a material web particularly a paper web

Details Calender for treating a material web particularly a paper web Calender for treating a material web particularly a paper web

1994-02-08

1995-02-28

Gerrity, Stephen F.

Presses

With additional treatment of material

Cutting, breaking, piercing, or comminuting

34 68, 34640, 100161, 118101, 162206, 219469, 427366, 432 60, B30B 1534, D21G 102

Patent

active

053927010

ABSTRACT:
A calender for treating a material web, particularly a paper web, with at least two rolls forming with each other a roll gap for passage of the web, with a heating system and with a removable cover system. The cover system comprises a foil which is tightened at least around part of the circumference of at least one of the rolls while forming a machine-wide gap between itself and the shell surface of the respective roll, and extending in planes situated parallel to the roll axes.

REFERENCES:
patent: 3632984 (1972-01-01), Brownscombe
patent: 3952696 (1976-04-01), Saupe
patent: 4064933 (1977-12-01), Schuman
patent: 4112280 (1978-09-01), Salsich et al.
patent: 4114021 (1978-09-01), Nishide et al.
patent: 4518845 (1985-05-01), Svendsen
patent: 4605366 (1986-08-01), Lehmann et al.
patent: 4610617 (1986-09-01), Christ et al.
patent: 4653395 (1987-03-01), Verkasalo
R. H. Crotogino, "Das Glatten von ungestrichenen holzhaltigen Papieren", Das Papier 38, Jahrgang, Heft 10A, 1984, pp. V203-V210.

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