Overbending device

Manufacturing container or tube from paper; or other manufacturi – Bending – Folding

Patent

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Details

493436, 493438, 493443, 533817, B65H 4512

Patent

active

051122910

ABSTRACT:
An overbending device preferably for use with existing apparatus, such as a gumming apparatus, has ball bearings, fingers or other equivalent members for pressing down and a driven or freewheeling rolling disk for forcing up the adjacent sides of an envelope. The adjacent sides defined by a bend or a score line.

REFERENCES:
patent: 2039335 (1936-05-01), Nall
patent: 3974749 (1976-08-01), Luperti
patent: 4410316 (1983-10-01), Yoke

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