Adhesive metering device for corrugating processes

Details Adhesive metering device for corrugating processes Adhesive metering device for corrugating processes

1980-11-10

1982-02-23

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156470, 156578, 118259, 118410, B31F 122

Patent

active

043167551

ABSTRACT:
A method for producing corrugated board utilizes a glue applying means constructed with an elongated shoe floatingly mounted alongside of and urged toward a glue applicator roll by a fluid controlled biasing means. A longitudinally extending depression in the shoe is substantially closed by the glue roll to define a glue cavity to which glue is fed by a positive displacement pump. The shoe is mounted so that the downstream end of the shoe is movable away from the glue roll automatically as required to permit glue to exit from the cavity at the same rate it is supplied thereto. This provides what is effectively a self-adjusting nozzle or fluid distribution slot extending the full length of the shoe and through which glue is forced from the cavity to form a thin layer of uniform thickness on the outside of the glue roll. The latter applies such thin layer of glue directly to the flute tip of a corrugated web for joining a liner web to the corrugated web.

REFERENCES:
patent: 3046935 (1962-07-01), Wilson
patent: 3410713 (1968-11-01), Schneidereit
patent: 3418970 (1968-12-01), Phelps et al.
patent: 3703459 (1972-11-01), Little et al.

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