Fluted roll for a corrugated board manufacturing machine

Details Fluted roll for a corrugated board manufacturing machine Fluted roll for a corrugated board manufacturing machine

1988-10-24

1990-04-17

Hartman, Judy

Manufacturing container or tube from paper; or other manufacturi

Tool or tool support

Adapted to be heated or cooled

493463, 493471, 493418, 156473, B31B 164

Patent

active

049176641

ABSTRACT:
A roll (16) for a corrugated board manufacturing machine (10) comprises a shell (32) defining an inner suction chamber (56) permanently connected to a source of low pressure. A series of radial suction apertures (60) open onto the peripheral surface (58) of the shell. According to the invention, the roll comprises a series of axial ducts (80) provided in the body of the shell (32) in which permanently circulates a heat-carrying fluid for heating the shell.

REFERENCES:
patent: 2776452 (1957-01-01), Chavannes
patent: 2936158 (1960-05-01), Ramundo
patent: 3932248 (1976-01-01), Keaton
patent: 3947206 (1976-03-01), DeLigt et al.
patent: 4338154 (1982-07-01), Berthelot et al.

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