Glue application system for book binding

Details Glue application system for book binding Glue application system for book binding

1994-11-22

1995-08-22

Jones, W. Gary

Coating apparatus

Solid applicator contacting work

With work-handling or work-supporting

118110, 118202, 118223, 118259, 118667, 118683, 118688, 118712, 412 37, B05C 108

Patent

active

054436397

ABSTRACT:
A glue application system (10) for applying glue to books (12) moving from a binder (16) along a predetermined path (14) includes a first roller (30) which rotates in the predetermined path to apply glue to the books. A heater (114) maintains the temperature of the first roller at a predetermined temperature. A second roller (32) rotates in the predetermined path, downstream of the first roller, to apply glue to the books. A second heater (130) maintains the temperature of the second roller at a temperature less than the temperature of the first roller. A glue reservoir (50) disposed below the first and second rollers contains a supply of liquid melted glue (56). A pump (70) pumps liquid melted glue up to the first and second rollers. An electric motor drive assembly (89) is selectively engageable to drive the pump when a binder drive assembly (79) is not driving the pump.

REFERENCES:
patent: 3273531 (1966-09-01), Boothroyd et al.
patent: 3863596 (1975-02-01), Anderson
patent: 4565477 (1986-01-01), Axelrod
patent: 4925354 (1990-05-01), Cote
patent: 5250318 (1993-10-01), Tooker
patent: 5261769 (1993-11-01), Leclerc

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