Envelopes – wrappers – and paperboard boxes – Paperboard box – Tamper indicating
Patent
1988-05-19
1989-05-16
Elkins, Gary
Envelopes, wrappers, and paperboard boxes
Paperboard box
Tamper indicating
206807, 229150, 229153, B65D 502
Patent
active
048302708
ABSTRACT:
A mailing and shipping container is described which is of rigid construction and simple design and which, once closed, resists opening without destroying the integrity of the structure. The container comprises a tubular sleeve generally of rectangular cross section and end closures at the ends. The end closures comprise overlying panels which have interacting tabs and slots and means for preventing the tabs from being withdrawn from the respective slots after insertion therein.
REFERENCES:
patent: 1852527 (1932-04-01), King
patent: 2481288 (1949-09-01), Cage
patent: 3126140 (1964-03-01), Lizan et al.
patent: 3165253 (1965-01-01), Adams et al.
patent: 3451535 (1969-06-01), Caplan
patent: 4063678 (1977-12-01), Hall
patent: 4535929 (1985-08-01), Sherman, II et al.
patent: 4674676 (1987-06-01), Sandel et al.
patent: 4746052 (1988-05-01), Schmissrauter
Elkins Gary
Professional Packaging Limited
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