Method and apparatus for manufacturing book blocks

Details Method and apparatus for manufacturing book blocks Method and apparatus for manufacturing book blocks

1997-08-22

1999-03-30

Izaguirre, Ismael

Sewing

Special machines

Book sewing

412 35, 270 5218, D05B 2300, D05B 6100

Patent

active

058875328

ABSTRACT:
During manufacture of thread-sewn book blocks (11) from a stack of flat sequentially juxtaposed signatures (3) which are sewn together by way of a double-stranded binding thread (9) which penetrates the folds (4) from the outside and extends in sections along the inside edge of the folds and is pulled out again, the binding thread sections (16, 17) which are inserted by a first sewing needle (5) between the legs (14) of the signatures (3) are captured by a gas jet and conveyed in form of a loop (21) to the adjacent second sewing needle (6) which pulls the loop (21) out of the signature (3) through a return stroke motion using a hook (22).

REFERENCES:
patent: 3340838 (1967-09-01), Morris
patent: 3421465 (1969-01-01), Marek et al.
patent: 4489930 (1984-12-01), Meir
patent: 4630560 (1986-12-01), Stutznacker
patent: 5028193 (1991-07-01), Misicka
patent: 5277413 (1994-01-01), Boss
patent: 5678813 (1997-10-01), Osako et al.
European Search Report (EP 97 81 0465).
Derwent Abstract for EP 771 754.
Derwent Abstract for DE 196 38 448.
Derwent Abstracts for EP 0 551 055.
Derwent Abstracts for EP 0 295 220.
Derwent Abstracts for EP 0 095 603.

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