Envelopes – wrappers – and paperboard boxes – Paperboard box – With detachable product-information band
Patent
1990-06-25
1991-06-25
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With detachable product-information band
206459, 229 15B, B65D 542
Patent
active
050259814
ABSTRACT:
For separate waste utilization of the plastic and cardboard parts of a used packing container (1), the cardboard sleeve (5) reinforcing its circumferential wall (2) and only positively connected thereto has a desired separation strip (10), whose operation leads to the separation thereof. The desired separation strip (10) is formed on the overlap area of the cardboard sleeve (5). It only has one weakening line (16) bounding it on one side and concealed by the overlap. On tearing, the inner overlap edge (13) acts as a cutting edge for the outer overlap layer.
REFERENCES:
patent: 1672884 (1928-06-01), Gingras
patent: 2027791 (1936-01-01), Schrager
patent: 2105367 (1938-01-01), Parsons
patent: 2108418 (1938-02-01), Thomas
patent: 2150207 (1939-03-01), Currie
patent: 2330878 (1943-10-01), Foley
patent: 3101885 (1963-08-01), Walsh
patent: 4550854 (1985-11-01), Schellenberg
Elkins Gary E.
Rundpack AG
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