Book block sewing method and apparatus

Details Book block sewing method and apparatus Book block sewing method and apparatus

1991-04-15

1992-02-04

Bell, Paul A.

Bookbinding: process and apparatus

Process

Of edge fastening

412 35, B42B 200

Patent

active

050855514

ABSTRACT:
In the sewing of individual book block sections to define a thread-sewn book block, needles which pre-pierce the book block section to facilitate sewing are caused to remain in engagement with the block section during its transfer from a feed position to the sewing position. During the pre-piercing operation, the book block section is held against a sewing saddle by means of an apertured hold-down element, the tips of the pre-piercing needles being received in the hold-down element.

REFERENCES:
patent: 4704973 (1987-11-01), Horst

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