Closing device for binding combs

Details Closing device for binding combs Closing device for binding combs

1991-01-11

1993-03-30

Bell, Paul A.

Bookbinding: process and apparatus

Apparatus

Edge binding apparatus

B42B 510

Patent

active

051978423

ABSTRACT:
A closing device for the bending closure of binding combs having generally C-shaped perforating members for the comb binding of single sheets or the like has a bending tool provided with two opposing bending punches or dies. The two bending punches or dies are provided with batten-like contact elements or components which at least approximately form point- or line-shaped supports for the perforating members of the binding comb. The two upper contact elements or components are designed so that they produce a greater static friction on the binding comb. The distances of the contact elements or components are in each case adjustable with respect to one another.

REFERENCES:
patent: 2117242 (1938-05-01), Eramo
patent: 2555290 (1951-05-01), November
patent: 3451081 (1969-06-01), Liouville
patent: 3555587 (1971-01-01), Seaborn
patent: 3854158 (1974-12-01), Pigna et al.
patent: 4020516 (1977-05-01), Gomez
patent: 4031585 (1977-06-01), Adams
patent: 4758125 (1988-07-01), Wahl

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