Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1992-02-05
1993-04-06
Shoap, Allan N.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
229165, 229177, B65D 522
Patent
active
051996367
ABSTRACT:
A mailing box made of corrugated cardboard is formed from a single scored piece of corrugated cardboard that when folded provides multiple layers of support at the corners of the box providing extra strength for protection against crushing. The box is constructed so as to permit folding in such a way as to be self locking and has pressure sensitive adhesive means applied to interior surfaces for sealing the box when folded. The gift box has two layers of cardboard at the rear corners and four layers of cardboard at the front corners to provided increased protection from crushing.
REFERENCES:
patent: 2169065 (1939-08-01), Cole
patent: 2548001 (1951-04-01), Butterfill
patent: 3100642 (1963-08-01), Goldstein
patent: 3291367 (1966-12-01), Carter
patent: 3394867 (1968-07-01), Gregg
patent: 3543995 (1970-12-01), Wilson
patent: 3826420 (1974-07-01), Bamburg et al.
patent: 4168028 (1979-09-01), McCall
patent: 4265393 (1981-05-01), Orchard
patent: 4441626 (1984-04-01), Hall
Anten Lewis
McDonald Christopher
Shoap Allan N.
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