Envelopes – wrappers – and paperboard boxes – Paperboard box – Lifting or suspending element
Patent
1997-01-07
1998-04-14
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Lifting or suspending element
2291032, 22911722, B65O 5462
Patent
active
057382735
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to a carton which is particularly but not only suitable for accommodating beverage containers such as cans and which incorporates a "strap-type" carrying handle which preferably is automatically set up into a position of use as the carton is being closed after having been loaded.
Beverage cartons which include carrying handles and, indeed, strap type carrying handles are known. U.S. Pat. No. 2,889,104 (Caster) discloses a carton having an integral strap handle and a handle slot. The strap handle is formed from an inner top lap panel whereas the handle slot is formed in the outer top lap panel. A pair of end flaps is foldably joined to the opposite end edges of the inner lap panel to form parts of the carton end walls. The handle strap itself is relatively short and is formed solely from one of the main panels of the carton.
U.S. Pat. No. 4,378,905 discloses a carton having a two-ply strap handle formed from the top lap panel of the carton. A score line is formed in the top lap panel and extends into both the end flaps associated with the top lap panel. A portion between the score line and the adjacent free side edge of the carton is folded double to form the handle joined at its opposite ends to the carton end walls. The strap handle extends completely across the top wall and load is transmitted from the handle into the end walls of the carton.
U.S. Pat. No. 2,955,739 shows an integral strap handle similar to U.S. Pat. No. 4,378,905 wherein a relatively wide slot is provided instead of a score line to define the strap handle.
European Patent No. 0 098 903 shows a handle slot having a pair of end tabs for partially covering a portion of the handle exposed in the slot. The handle strap itself is formed wholly from one of the end closure panels at one end of the carton.
German Patent DE 2 052 618 shows a strap handle formed from the top wall of a wrap-around carton and having opposite ends thereof extending into the carton side walls. The handle has no fold line co-linear with the fold lines between the top wall and the adjacent side walls and thus allows itself to "pop-up" when the side walls are folded downwardly.
SUMMARY OF THE INVENTION
In the present invention in one of its various aspects, a "pop-up" strap carrying handle is provided in a top wall of the carton so that a central part of the strap is exposed to view in a handle access aperture. Intermediate and end portions of the handle strap are disposed internally of the carton, and the end portions are joined to each of the end closure panels which are hinged to the top wall. When the carton is lifted by the exposed part of the handle strap, load is transmitted from the handle strap to the top wall of the carton at each of the opposite ends of the handle access aperture and is distributed through the top wall.
One aspect of the present invention provides a carton for beverage containers which carton includes a series of hinged panels forming a sleeve and end closure panels hinged at least to one of the hinged panels for closing, at least in part, the opposite ends of the sleeve, wherein the one hinged panel includes a handle strap by which the carton can be carried, the handle strap being disposed in a stowed substantially coplanar relationship with the one hinged panel when the carton subsists as an open-ended sleeve and being put into a position of use when the end closure panels are hinged into their closed positions whereby at least a portion of the handle strap stands proud of the one panel.
According to a feature of this aspect of the invention, parts of the handle strap other than the proud portion may be disposed internally of the carton. The opposite ends of the handle strap may be joined respectively to the end closure panels and the proud portion of the strap may be exposed to view within a handle access aperture provided in another one of the hinged panels.
Another aspect of the present invention provides a carton for beverage containers which carton has a handle strap by which the ca
REFERENCES:
patent: 2164561 (1939-07-01), Berke
patent: 2482399 (1949-09-01), Bullock
patent: 2645407 (1953-07-01), Bergstein
patent: 2868433 (1959-01-01), Anderson, Jr.
patent: 2889104 (1959-06-01), Caster et al.
patent: 2955739 (1960-10-01), Collura
patent: 4378905 (1983-04-01), Roccaforte
patent: 5221042 (1993-06-01), Oliff
patent: 5297725 (1994-03-01), Sutherland
Elkins Gary E.
Suzuki Tsugihiko
The Mead Corporation
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