Envelopes – wrappers – and paperboard boxes – Paperboard box – Thermally insulated
Patent
1996-12-18
1999-01-19
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Thermally insulated
229208, 229213, B65D 570, B65D 572
Patent
active
058605860
ABSTRACT:
A retainable access tab for a laminate for a carton blank is disclosed. The retainable access tab may have a predetermined configuration such as keyhole configuration or a hourglass configuration. The retainable access tab extends the length of a roof panel of a carton which is formed from the carton blank. In this manner, a shortened straw may be utilized to access the entire contents of the carton. The retainable access tab provides a hygienic environment for accessing the contents of the carton by revealing a previously untarnished surface for penetration of the straw. The retainable access tab has a hinge which allows it to be retained to the carton after insertion of a straw, In this manner, the potential for littering is decreased and the potential for greater recycling is increased by the present invention.
REFERENCES:
patent: 3613986 (1971-10-01), Christensson
patent: 3770185 (1973-11-01), Reeves
patent: 4244474 (1981-01-01), Wise
patent: 4591091 (1986-05-01), Wise
patent: 4798295 (1989-01-01), Rausing
patent: 4858766 (1989-08-01), Tsai
patent: 5201459 (1993-04-01), Bettle, Jr. et al.
patent: 5474232 (1995-12-01), Ljungstrom et al.
Anchor David
Ljungstrom Tommy Bo Goran
Catania Michael A.
Elkins Gary E.
Tetra Laval Holdings & Finance S.A.
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