Machine for producing a material web

Details Machine for producing a material web Machine for producing a material web

1997-05-14

1999-07-27

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34119, 34123, 34124, D21F 500

Patent

active

059269715

ABSTRACT:
Machine for producing a material web, e.g., paper or cardboard, that may include a dryer section with at least one dryer group and the at least one dryer group may have at least one dryer cylinder, a dryer screen, and a metal belt. The machine may also include a cooling device associated with the metal belt. The material web, the dryer screen and the metal belt may be guided in a meandering path around an outside of the at least one dryer cylinder, and the dryer screen may be positioned between the material web and the metal belt. Further, at least one of the metal belt and the dryer screen may be intensely prestressed.

REFERENCES:
patent: 3503139 (1970-03-01), Mahoney
patent: 3925906 (1975-12-01), Chance et al.
patent: 4461095 (1984-07-01), Lehtinen et al.
patent: 4622758 (1986-11-01), Lehtinen et al.
patent: 5291666 (1994-03-01), Babinsky et al.
patent: 5572801 (1996-11-01), Ahokas et al.
patent: 5649371 (1997-07-01), Loser et al.
patent: 5799409 (1998-09-01), Chau-Huu et al.
patent: 5813136 (1998-09-01), Meschenmoser

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