Flyleaf heat sealer
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United States of America Patent
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Jul 2, 1985
Grant Date -
N/A
app pub date -
Dec 6, 1982
filing date -
Dec 6, 1982
priority date (Note) -
Expired
status (Latency Note)
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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.
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