Panel interlocking mechanism for wrapper type cartons

Details Panel interlocking mechanism for wrapper type cartons Panel interlocking mechanism for wrapper type cartons

1977-01-14

1977-12-13

Coan, James F.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 40, B31B 160

Patent

active

040622703

ABSTRACT:
A locking tab formed in one panel and having a securing aperture at its base is driven through a locking aperture defined by a retaining tab formed in another face contacting panel so as to interlock the panels by panel interlocking mechanism including a rotatable locking element having radially disposed locking fingers thereon which are especially configured so that the end portion of each locking finger is substantially larger in cross sectional area than the securing aperture formed in the associated locking tab and with a clearance groove formed along one side of each locking finger for receiving the securing tab during a locking operation.

REFERENCES:
patent: 3032945 (1962-05-01), Currie, Jr. et al.
patent: 3186136 (1965-06-01), Ganz
patent: 3430413 (1969-03-01), Wood
patent: 3543473 (1970-12-01), Cato
patent: 3548566 (1970-12-01), Sherman

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