Books – strips – and leaves – Book – element thereof – or accessory therefor – Binding
Patent
1984-05-15
1985-08-20
Lawrence, Evan K.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Binding
412 8, 4272082, 427262, 427285, B42D 100, B05D 510
Patent
active
045360120
ABSTRACT:
A continuous book binding process and a book comprising a backbone made by the process. The process comprises forming a book block, applying a wet coating of a primer composition to the spine area of the block, thermally drying said coating to remove a substantial amount of water to provide a flexible film having a uniformly irregular surface, and applying a coating of a hotmelt adhesive over the film, wherein the primer composition comprises an adhesive latex and an amount of ungelatinized granular starch effective to complex the latex water so that it is evaporated in a diffuse manner during the drying step. The layer of hot melt adhesive is not disturbed by the evaporation of residual water from the primer film.
REFERENCES:
patent: 4116740 (1978-09-01), Musselman et al.
patent: 4377649 (1983-03-01), Sweeney et al.
Technical Bulletin--Dow Latex 620, The Dow Chemical Co., 1966.
Japanese Patent Kokai 14,818/78 (2/9/78) (Abstract).
Japanese Patent Kokai 64,116/79 (5/23/79) (Abstract).
Japanese Patent Kokai 59,923/82 (4/10/82) (Abstract).
European Patent 13--031, Pub. 7/9/80 (Abstract).
Chem. Abstr. 90, 170,440u (1979) (Abstract of Japanese Patent Kokai 126,308/79).
"Why National Starch Dropped R&D in Hot Melt Corrugating," Paperboard Packaging (Nov. 1974) at pp. 54-55.
H. B. Fuller Company
Lawrence Evan K.
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