Apparatus for profile control of a sheet having a removable scre

Details Apparatus for profile control of a sheet having a removable scre Apparatus for profile control of a sheet having a removable scre

1996-03-22

1998-01-27

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34115, 34122, 34568, F26B 1102

Patent

active

057110875

ABSTRACT:
Apparatus for distributing a heating medium, such as steam or hot air, to a paper web or calendar roll in sheet making machinery includes a removable profile screen to permit easy cleaning and maintenance. The apparatus comprises an elongated chamber to receive steam or hot air from a supply source with a front wall adapted to receive a removable screen. The removable screen is flexible and defines at least a portion of the front wall conforming generally to the shape of the adjacent surface to be heated. The screen member has a plurality of apertures through which the heating medium is forced to heat the surface. The screen is removably mounted to the apparatus by clip members.

REFERENCES:
patent: 4263824 (1981-04-01), Vits
patent: 4351700 (1982-09-01), Dove
patent: 4398355 (1983-08-01), Dove
patent: 4662398 (1987-05-01), Wywailowski et al.
patent: 4738196 (1988-04-01), Boissevain

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