Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1988-09-14
1989-09-26
Elkins, Gary
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
206140, 206427, 229185, B65D 6506
Patent
active
048694231
ABSTRACT:
Panel interlocking means (45,46) for securing together a pair of panels (13,28) in overlapping relationship includes a locking tab (45) struck from one of the panels (12) and arranged to be driven through a locking aperture (46) struck from the other panel (28). The opposed lateral edges (45a, 45b) of the locking tab have deformable marginal portions (a) formed by cut lines (b, c) which are deformed by the opposed lateral edges (46a, 46b) of the locking aperture when the locking tab is driven through the locking aperture.
REFERENCES:
patent: 3410397 (1968-11-01), Cato
patent: 3508699 (1970-04-01), Graser
patent: 4243143 (1981-01-01), Muller
patent: 4471903 (1984-09-01), Humphries
patent: 4597523 (1986-07-01), Schuster
Doerr Erwin
Elkins Gary
The Mead Corporation
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