Flyleaf heat sealer

Details Flyleaf heat sealer Flyleaf heat sealer

1982-12-06

1985-07-02

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156381, 156498, 156499, 156555, 1565831, 156908, 412 8, 412 28, 412902, B42C 900, B42C 1300, C09J 506

Patent

active

045266425

ABSTRACT:
A flyleaf heat sealer for adhering a flyleaf having its inner surface pre-coated with hot melt or heat sensitive adhesive to the exposed outer surfaces of the end sheets of a book block insert, includes means for engaging and transporting a book block insert and the flyleaf folded therearound, means for directing a flow of air heated to a temperature adequate to melt the adhesive against and impinging upon the outer surfaces of the flyleaf, and means for pressing and cooling the flyleaf and book insert between them and removing heat from the flyleaf and book block, and thus curing and hardening the adhesive.

REFERENCES:
patent: 3488244 (1970-01-01), Lepisto
patent: 3547742 (1970-12-01), Cottrell
patent: 4014732 (1977-03-01), Beckert et al.
patent: 4149289 (1979-04-01), Sahlin

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