Carton or carton cover of rigid sheet material with handle

Details Carton or carton cover of rigid sheet material with handle Carton or carton cover of rigid sheet material with handle

1996-07-18

1998-01-06

Shoap, Allan N.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Lifting or suspending element

22911724, B65D 5465

Patent

active

057045402

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 lateral faces and an upper face.
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 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 ranging to several kilograzes, 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.
Handle systems for transporting parallelepipedal cartons are already known. In general they involve lateral orifices cut out for example two thirds of the way up the carton in two opposing lateral faces. The user then grips the carton with the whole hand through the said orifices in order to carry it.
Such a system has drawbacks. In fact it requires an internal reinforcing band glued above the orifices in order to prevent the ripping of the material, this being expensive and complicated to implement.
Moreover the user must carry the carton with two hands, this being impractical.
Systems are also 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.
This system is however complicated to implement and prevents the palletizing 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.
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 previously known to the practical demands in particular in that it proposes a simple, strong, inexpensive handle 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 a single hand.
For this purpose, the invention essentially proposes a carton, or a cover, of sheet material including lateral faces and an upper face, characterized in that the said carton or the said cover includes at least two frangible or slotted regions situated respectively either side of the carton or of the cover straddling the join lines between the upper face and two opposing lateral faces, the said regions each extending either side of the said join lines on the one side in the upper face and on the other side in the said corresponding opposing lateral face, over determined distances and in that it includes an attached elongate handle fixed on each side to the said opposing lateral faces, beneath the regions with respect to the upper face, the handle extending opposite the regions and opposite the portion of the upper face situated between the said regions, so that, when the handle is pulled substantially perpendicularly to the upper face, the handle sinks into the said regions.
Advantageously, the upper face forms an angle with the lateral faces at the level of the join lines between the said upper face and the said lateral faces, for example a right angle.
In advantageous embodiments, one and/or other of the following provisions is resorted lateral faces, is equal or substantially equal to the sum of the distances between on the one hand the said points of fixing and the join lines of the corresponding lateral faces and on the other hand the width of the carton between the said join lines, so that the elongate handle can move between a first position, when flat, in which it hugs the outline of the carton and a second position, for grasping, partly distanced from the cover, in which it is sunk into the said regions; direction perpendicular to the join line, is rectangular; join line,

REFERENCES:
patent: 1093705 (1914-04-01), Labombarde
patent: 2290971 (1942-07-01), King
patent: 2654475 (1953-10-01), Carpenter
patent: 2682990 (1954-07-01), Crary
patent: 3065845 (1962-11-01), Nichols
patent: 3276663 (1966-10-01), Falconer
patent: 4498420 (1985-02-01), Botterman et al.
patent: 5145108 (1992-09-01), Pinckney et al.

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