Belt speed controller in single facer

Details Belt speed controller in single facer Belt speed controller in single facer

1995-05-05

1997-07-15

Mackey, James P.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156472, B31F 120

Patent

active

056479476

ABSTRACT:
Disclosed is a belt speed controller in a single facer consisting of an upper fluted roll, a lower fluted roll, a gluing mechanism, and an application mechanism having an endless belt extended over a plurality of rolls so as to be able to run freely thereby; in which a liner is pressed against the glued crests of corrugation of a corrugating medium to be pasted therewith to form a single-faced corrugated board, characterized in that the speed controller consists of a braking apparatus for braking the roll, of the plurality of rolls over which the belt is extended, locating on the upstream side, with respect to the belt running direction, of the press contact zone where the belt is brought into press contact with the liner, and a control means which actuates the braking means to brake the endless belt via the roll. Since the endless belt is decelerated by the speed controller synchronously with or immediately before deceleration of the upper and lower fluted rolls, the belt can constantly be maintained slackless to achieve secured bonding between the corrugating medium and the liner.

REFERENCES:
patent: 3127292 (1964-03-01), Early
patent: 3516889 (1970-06-01), Boynton et al.
patent: 4038122 (1977-07-01), DeLigt
patent: 4188253 (1980-02-01), Swartz
patent: 5169484 (1992-12-01), Isowa et al.
patent: 5344520 (1994-09-01), Seki et al.

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