Spiral coil insertion apparatus and method

Details Spiral coil insertion apparatus and method Spiral coil insertion apparatus and method

1998-03-30

2000-05-02

Fridie, Jr., Willmon

Bookbinding: process and apparatus

Apparatus

Edge binding apparatus

412 38, B42B 510, B42B 512

Patent

active

060564954

ABSTRACT:
An automatic spiral binding apparatus for edge binding a book of sheets with a spiral coil includes a book supporting table that is indexable between loading, coil insertion, coil crimping and book discharge stations. The apparatus can accommodate a wide range of book thicknesses, coil diameters and coil pitches. Positioning hooks in the loading station are selected to correspond to the coil diameter and are mounted at an incline to match the coil pitch in a manner which pre-orients the book edge to both the proper curvature and proper pitch to facilitate subsequent threading of the spiral coil into the holes in the edge of the book at the following insertion station.

REFERENCES:
patent: 2532443 (1950-12-01), Freundlich
patent: 2638609 (1953-05-01), Penner
patent: 2961012 (1960-11-01), Freundlich
patent: 2963049 (1960-12-01), Biel et al.
patent: 3592242 (1971-07-01), Sickinger
patent: 4232858 (1980-11-01), Fabrig
patent: 5584632 (1996-12-01), Stiles et al.
patent: 5695308 (1997-12-01), Hastings et al.

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