Bookbinding technique

Details Bookbinding technique Bookbinding technique

1976-05-13

1978-12-12

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156216, 156227, 281 21R, B32B 304, B31F 300, B42D 100

Patent

active

041294718

ABSTRACT:
A small-lot bookbinding technique wherein a stack of collated paper sheets is held within a one-piece cover folder and adhered to the backbone thereof. The folder is constituted by a flexible panel having a pair of score lines defining a backbone zone flanked by front and rear cover sections. Fully coating the backbone zone and overlapping the score lines is a band of hot-melt adhesive material, the margins of the band slightly invading the cover sections, whereby when the paper stack is inserted within the folder with the edge thereof engaging the band and heat is thereafter applied to the band for a predetermined period, the adhesive melts and then, upon cooling, sets to firmly bond all sheets to the backbone including the first and last sheets of the stack.

REFERENCES:
patent: 2505743 (1950-04-01), Rose
patent: 3531358 (1970-09-01), Rost et al.
patent: 3717366 (1973-02-01), Decker
patent: 3788921 (1974-01-01), Polit et al.
patent: 3847718 (1974-11-01), Watson

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