Method for testing the completeness of a book block intended for

Details Method for testing the completeness of a book block intended for Method for testing the completeness of a book block intended for

1996-09-10

1999-03-02

Han, Frances

Bookbinding: process and apparatus

Process

Of adhesive binding

412 1, 412 6, 412 9, 412 12, 412 13, 412 14, 412 20, 412 33, 412901, B42C 900, B42C 1300

Patent

active

058761705

ABSTRACT:
A method and an arrangement are provided for checking completeness of a book block intended for an adhesive binding, wherein an adhesive binding machine includes a conveyor defining a conveying path along which the book block is conveyed. A plurality of processing stations are arranged along the conveyor for processing the book block. A measuring device is disposed along the conveyor and is adapted to check completeness of the book block by measuring the thickness of the book block. The measuring device includes measuring elements arranged opposite each other on both sides of the conveying path. The measuring elements are separated by a distance to define a measuring segment and arranged for exerting a defined contact pressure onto the flanks of the spine of the book block.

REFERENCES:
patent: 3622147 (1971-11-01), Mebus
patent: 3973787 (1976-08-01), Staats et al.
patent: 4799661 (1989-01-01), Nail
patent: 4904138 (1990-02-01), Champeaux et al.
patent: 4923189 (1990-05-01), Nail
patent: 5078425 (1992-01-01), Crudo
patent: 5193962 (1993-03-01), Parker et al.
patent: 5252018 (1993-10-01), Kitahara et al.
patent: 5429468 (1995-07-01), Kojima
patent: 5441375 (1995-08-01), Hawkes

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