Adhesive applicator, and bookbinding apparatus and...

Details Adhesive applicator, and bookbinding apparatus and... Adhesive applicator, and bookbinding apparatus and...

2011-06-28

2011-06-28

Nguyen, Judy (Department: 2854)

Electrophotography

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C399S407000, C412S033000, C412S037000

Reexamination Certificate

active

07970340

ABSTRACT:
In replenishing a glue container with hot-melt glue, to enable stable supply of the glue in solid form without it clogging the resupply path from the hopper, provided are: a sheet retaining unit for retaining a sheaf in a glue application position; a glue applier in a hot-melt-glue-receiving container, disposed in the glue application position, for applying glue to an endface of a sheaf there; a heater, disposed in the glue container, for heating/melting the glue inside; a heater temperature controller; a resupply hopper above the glue container for replenishing it with solid glue; a vacuum ducting unit above the container and adjoining the resupply hopper, for suctioning up glue evaporation derivatives; and a control unit configured to run the vacuum ducting unit when the glue container is being replenished with glue, to prevent or mitigate invasion of evaporation derivatives into the resupply hopper.

REFERENCES:
patent: 5140380 (1992-08-01), Nakamura et al.
patent: 6508881 (2003-01-01), Muller et al.
patent: 7448837 (2008-11-01), Oota
patent: WO 2004060693 (2004-07-01), None

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