Envelopes – wrappers – and paperboard boxes – Paperboard box – Miscellaneous joint construction
Patent
1989-09-29
1991-03-26
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Miscellaneous joint construction
206140, B65D 542
Patent
active
050022253
ABSTRACT:
Pack made from board for packaging a number of objects (60) which have at least one cavity (64) in their base area, the pack forming a wrap-around sleeve (20, 30, 40, 50) that surrounds the objects and has locking elements which project into the cavities. The locking element (100) has at least one flap (102) that is die-cut from the base panel (50) of the sleeve and has a central section (112), which is joined to the base panel (50) by a first folding line (104) and is at least approximately the same size as the cavity (64), as well as two side sections (114, 116) which are located on either side of the central section (112), which are joined to the same by two further folding lines (118, 120) that together with the first folding line (104) form an angle of preferably less than 90.degree., and the length (L) of which is greater than the height (M) of the central section, measured at right angles to the folding line (104).
REFERENCES:
patent: 2867320 (1959-01-01), Andre
patent: 3156377 (1964-11-01), Wysocki
patent: 3189215 (1965-06-01), Currie, Jr.
patent: 3257066 (1966-06-01), Williams
patent: 3314590 (1967-04-01), Tolaas
patent: 3570746 (1971-03-01), Wood
patent: 3828926 (1974-08-01), Rossi
patent: 3931926 (1976-01-01), Bensen
patent: 4728025 (1988-03-01), Oliff
patent: 4749123 (1988-06-01), Ganz
patent: 4860943 (1989-08-01), Cooper
Elkins Gary E.
Unilever Patent Holdings B.V.
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