Apparatus for back stripping stacks of paper sheets or the like

Details Apparatus for back stripping stacks of paper sheets or the like Apparatus for back stripping stacks of paper sheets or the like

1984-03-01

1986-04-08

Bell, Paul A.

Bookbinding: process and apparatus

Apparatus

Book working apparatus

1984711, 1986891, B42C 902, B65G 4791

Patent

active

045809372

ABSTRACT:
Apparatus for back stripping stacks of paper sheets or the like has a transporting unit which advances suitably staggered stacks along a horizontal path toward, to and beyond a back stripping station. The apparatus further comprises a carrier for an endless suction conveyor which draws requisite lengths of a web of backing strip material from a source of supply and past an adhesive applicator which coats the exposed side of the web with adhesive before the foremost back strip is severed therefrom and is temporarily held by the suction conveyor for application to the selected edge face of the stack at the back stripping station. This is achieved by moving the carrier from below upwardly into the path of an oncoming stack if the edge face about to receive the back strip is the leading edge face of such stack. If the edge face to be provided with a back strip is the lateral edge face, the carrier is laterally adjacent to the path of movement of stacks and is pivotable toward and from the edge face of the stack at the back stripping station.

REFERENCES:
patent: 2646104 (1953-07-01), Hawkes
patent: 2895148 (1959-07-01), Hildmann
patent: 3364092 (1968-01-01), Hawkes et al.
patent: 3477558 (1969-11-01), Fleischauer
patent: 3682469 (1972-08-01), Ito et al.
patent: 3722665 (1973-03-01), Probasco
patent: 3739412 (1973-06-01), Card et al.
patent: 3827548 (1974-08-01), Matsuo
patent: 4151037 (1979-04-01), Klingelhoefer et al.

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