Method and device for simultaneously closing pairs of boxes

Details Method and device for simultaneously closing pairs of boxes Method and device for simultaneously closing pairs of boxes

1992-06-26

1994-05-17

Sipos, John

Package making

Methods

Closing package or filled receptacle

533764, 533773, B65B 720

Patent

active

053117239

ABSTRACT:
A method and device for simultaneously closing a first and adjacent second box having respective lateral openings, each closed by a pair of lateral tabs, which are folded one on top of the other by a first and second folding device on either side of the two boxes; the tabs being arranged, prior to folding, facing and parallel to one another, so as to define two inner tabs and two outer tabs; and each folding device moving along a respective path for folding the outer tab of the adjacent box and the inner tab of the other box.

REFERENCES:
patent: 1622709 (1927-03-01), Evans et al.
patent: 2605598 (1952-08-01), MacKenzie
patent: 4612752 (1986-09-01), Deal
patent: 4909020 (1990-03-01), Focke
patent: 4964260 (1990-10-01), Focke et al.
patent: 5058363 (1991-10-01), Focke et al.
patent: 5174444 (1992-12-01), Adams et al.

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