Method and apparatus for adjusting the binding back margins, esp

Bookbinding: process and apparatus – Process

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283 1R, B42D 1500

Patent

active

047401257

ABSTRACT:
A method and an apparatus for adjusting the binding back gauge (measurements) for printed matters, especially bulky type newspapers or magazines or other types of back sew-stitched, wire-stitched, adhesive bound, for instance adhesive block bound printed matters manufactured from film originals (7', 7") containing text and picture blocks in a given standard layout on the film original, whereby the films corresponding to the pages of the printed matter which are located in advance of or after the central spread of each unit of print section or unit of combined print sections are provided displaced in the direction towards the back line (8) of the printed matter to be made or away from said back line respectively. In pictures which at least in part extend over the two pages of a spread the original films can be duplicated, whereby one (7') of the original films, the left one, is cut a distance to the right of the back line (8) and the other one, the right original film (7"), is cut a distance to the left of the back line (8), whereupon the films are copied together edge to edge on the printing plate with the doubled picture portions facing the back of the printed matter.

REFERENCES:
patent: 4073510 (1978-02-01), Scharlin

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