Heatable shield for heat treatment of paper-making machine texti

Details Heatable shield for heat treatment of paper-making machine texti Heatable shield for heat treatment of paper-making machine texti

1996-02-22

1997-01-21

Falik, Andy

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34116, 26 51, D21F 100, D06C 300, F26B 1310

Patent

active

055949983

ABSTRACT:
A heat shield which is attached to a heatable roller in a stretching machine for the treatment of felt and wire cloths is designed to have channels for the heating medium extending in the machine direction. The ducts may be grouped in sections having a connection to an inlet and outlet manifold. Each section is attached to a by-pass. In this way a heating medium can be fed into the shield in controlled portions over the longitudinal direction of the shield thus obtaining the possibility of control and regulation of the temperature profile over the cross-section of the band.

REFERENCES:
patent: 2414580 (1947-01-01), Birdseye
patent: 3337968 (1967-08-01), Krikorian et al.
patent: 4513517 (1985-04-01), Vedenpaa
patent: 4622758 (1986-11-01), Lehtinen et al.

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