Envelopes – wrappers – and paperboard boxes – Paperboard box – Lifting or suspending element
Patent
1996-08-26
1999-03-09
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Lifting or suspending element
22911722, 229199, 493 89, 493128, 493151, 493909, B65D 5462
Patent
active
058789464
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a carton or a carton cover of sheet material such as flat board, corrugated board or an equivalent, relatively rigid material, including at least four rectangular lateral walls connected together by parallel join lines and an assembly of upper flaps intended to form the upper face of the cover and connected to the said lateral walls by fold lines orthogonal to the join lines, namely two so-called inner flaps and two so-called outer flaps, each inner flap being secured to a lateral wall situated between two lateral walls respectively furnished with an outer flap.
It also relates to a blank for making up such a carton or such a cover, and a method of manufacturing such a carton or such a cover with a handle.
It finds a particularly important though non-exclusive application in the field of parallelepipedal cartons or ones more generally of polygonal horizontal cross-section, made from double-faced corrugated board and intended to contain fairly heavy products possibly weighing up to several kilograms, such as bottles of water for example, and including an upper face perpendicular to the lateral faces of the carton, therefore forming a cover at right angles to these faces.
Systems are already known having attached handles made for example from plastic or metal which are hooked onto a cord, a twine or a band which then completely surrounds the carton. These systems are however complicated to implement and prevent the palletizating of the cartons.
The latter can in fact no longer be overlaid given the projections exhibited by the handles and/or twines surrounding the cartons.
Boxes made from board are also known (GB-A-2,206,564) which comprise a plane upper face, made in one piece, from which is cut out a band serving as handle or grasp.
The band is reinforced for example be cords, or by a band incorporated with the board during manufacture.
Here again, such a solution has drawbacks, especially manufacturing drawbacks.
The present invention aims to provide a carton or a carton cover, blanks and a process for manufacturing a carton or a carton cover with handle which is a better answer than those preciously known to the practical demands in particular in that it proposes a simple, strong, inexpensive handle, which is comfortable to grip, favouring the palletizing of the cartons and allowing the transporting by a user of a carton, possibly containing a relatively heavy and bulky product, with just one hand.
For this purpose, the invention proposes, in particular, a carton or cover of board sheet material including a least four rectangular lateral walls connected together by parallel join lines and an assembly of upper flaps intended to form the cover and connected to the said lateral walls by fold lines orthogonal to the join lines, namely two so-called inner flaps and two so-called outer flaps, each inner flaps being secured to a lateral wall situated between two lateral walls respectively furnished with an outer flap, characterized in that the said carton or the said cover includes two sinkable corner regions, situated respectively on either side of the carton or of the cover, straddling the fold lines corresponding to two opposing walls, and in that it includes an elongated handle comprising a lower band made of a sheet material formed at least in part by a detachable part belonging to at least one of the said outer flaps and a reinforcing upper band secured to the said lower hand and the ends of which are fixed on each side to the said opposing lateral walls, underneath the regions with respect to the upper face of the cover, the handle encompassing or extending opposite the said regions so that, when the handle is pulled substantially perpendicularly to the upper face of the cover, the handle elements situated opposite the said regions sink at least partly into the carton, squashing and/or penetrating the said regions.
In advantageous embodiments, one and/or other of the following provisions is additionally, resorted to;
the upper band is fixed to the lower band and to the la
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patent: 4498619 (1985-02-01), Roccaforte
patent: 5718369 (1998-02-01), Delisle et al.
Frerot Stephane
Mathieu Gerard
Moreau Jean-Claude
Elkins Gary E.
Otor
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