Belt and drum-type press with supplemental nip loading means

Details Belt and drum-type press with supplemental nip loading means Belt and drum-type press with supplemental nip loading means

1988-07-01

1989-10-31

Hastings, Karen

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

100121, 100153, 100 93RP, 102305, 102359, 34116, 34123, D21F 300

Patent

active

048774871

ABSTRACT:
A belt on drum-type press which provides for utilization of a maximum amount of the drum circumference and provides a wide latitude of choice in the relationship between belt tension and press roll nip forces on the drum. In the preferred embodiments the press has a central drum free of axial bending moments and stresses.

REFERENCES:
patent: 3110612 (1963-11-01), Gottwald et al.
patent: 3319352 (1967-05-01), Haigh
patent: 3354035 (1967-11-01), Gottwald et al.
patent: 3799052 (1974-03-01), Kusters et al.
patent: 3891376 (1975-06-01), Gersbeck et al.
patent: 3938927 (1976-02-01), Brinkmann et al.
patent: 3973483 (1976-08-01), Appenzeller
patent: 4194947 (1980-03-01), Huostila et al.
patent: 4324613 (1982-04-01), Wahren
patent: 4457683 (1984-07-01), Gerhardt et al.
patent: 4461095 (1984-07-01), Lehtinen
patent: 4596633 (1986-06-01), Attwood
patent: 4710271 (1987-12-01), Miller
patent: 4740305 (1988-04-01), Miller
patent: 4758310 (1988-07-01), Miller
Macdonald et al., eds., Paper Making and Paperboard Making, vol. 3, p. 419 (1970).
Anonymous, Hi-I press, Mark III installed at Scott Paper, Mobile, Pulp and Paper Magazine of Canada, Nov. 15, 1968, pp. 56 and 57.

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