Method of and machinery for producing bookblocks

Details Method of and machinery for producing bookblocks Method of and machinery for producing bookblocks

1975-05-13

1977-05-31

Burr, Edgar S.

Sheet-material associating

With printing

Associating and folding, with rotary printer

270 60, B41F 1364

Patent

active

040265374

ABSTRACT:
A method and apparatus for assembling a block for a book or book section in a 2-up coming and going method of bookmaking by providing a stream of groups of book elements, each group containing all the primary pages of the book or book section. The groups of the stream are divided into first and second series and the groups of the first series are conveyed to a combining station around a turn-over member rotating about a horizontal axis so that each group of the first series is turned through 180.degree.. The groups of the second series are separately conveyed to the combining station and each group is arranged to be in half-block form before it reaches the combining station. At the combining station, the half-blocks of the series and the half-blocks of the second series are brought together in pairs by bringing each half-block of one series under a half-block of the other series to form blocks each comprising a half-block of the first series and a half-block of the second series. The passage around the rotary member causes each half-block of the first series to arrive at the combining station in an orientation in which it has been turned through 180.degree. about an axis parallel to the junction between the two pages of each leaf of the half-block relative to the orientation of each half-block of the second series arriving at the combining station.

REFERENCES:
patent: 2019658 (1935-11-01), Crafts
patent: 2631845 (1953-03-01), Zuckerman
patent: 3525516 (1970-08-01), Bushnell
patent: 3977665 (1976-08-01), Bowman

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