Envelopes – wrappers – and paperboard boxes – Paperboard box – Box includes two side walls which are not formed from the...
Patent
1998-05-18
1999-11-02
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Box includes two side walls which are not formed from the...
22912221, 229162, 220 421, 220 62, 220602, 220611, 220617, 220655, 220DIG25, B65D 535
Patent
active
059754125
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a packaging carton for products, particularly foodstuffs such as pastry.
Packaging cartons conventionally used by suppliers, in particular butchers, bakers and candy makers, are generally of cardboard cut to shape, folded and glued. These conventional boxes permit production of the product which has been chosen by the purchaser from a shelf or a cabinet and then placed in packaging, which can easily be decorated by printing and personalized with the name of the supplier. Such a carton, which enjoys the sense of tradition and quality of the supplier, is not usable in industry and the distribution of foodstuffs because of its cost for production and filling. It suffers moreover from the major drawback of not permitting the foodstuff it contains to be seen.
To overcome this last drawback, there have been developed cardboard cartons on which a cover is applied or a transparent film or in the walls of which are provided openings then closed by transparent or translucent film. These openings constitute a point of weakness of the carton, particularly as to its resistance to compression.
There are also known packaging cartons entirely of transparent or translucent material, which permits total and direct vision of the contained product. In this case, there are usually used cartons constituted of a single piece of thermoformed plastic material. Conventionally, a first portion of this piece has a hollow compartment or base for the reception of the product and the second portion serves as the cover. This second portion being hinged on the first to close it by bending the plastic material between the two parts with if desired a snap closure between the cover and the base. For the presentation of information relative to the enclosed product, these packagings are practically limited to labels applied to the transparent box or printed sheets at least partially obstructing the sight of the contents.
If these transparent cartons have advantages of permitting high visibility of the contents, of being easily stacked in a minimum volume before use and permitting simple and economical filling, they are poorly adapted for expensive contents, such as for example pastries, because of their relatively poor and inelegant appearance.
So as to overcome these drawbacks, the invention proposes a new type of packaging carton comprising two separate elements which, before making up the box itself, have a small thickness permitting storage with reduced size by nesting, easy separation by unnesting and of which at least one of the elements can serve as a support for information.
To this end, the invention has for its object a carton of the type comprising a base surrounded by a peripheral wall and a cover articulated on this peripheral wall and adapted to be closed and opened, said peripheral wall comprising a crown, the cover and the base comprising two surfaces each articulated on a connecting member so as to form a triptych, characterized in that said surfaces comprise abutment members against the internal and/or external periphery of the respective edge of said crown, means to maintain in closed position the carton being integrated with the triptych and/or with the crown or being applied after closure of the carton.
There is known from GB-A-434.530, a carton comprising a base surrounded by a peripheral wall and a cover articulated on this peripheral wall and adapted to be opened and closed, the cover and the base comprising two surfaces each articulated on a connection member so as to form a triptych. In this known carton, a peripheral strip surrounds an edge of the bottom bent and retracted, so as to maintain the assembly thus folded. This peripheral strip has for its only purpose to retain the bent periphery of the bottom in a complicated construction of carbon, requiring moreover an assembly by stapling or the like. Thus, in this known carton, the lateral strip does not coact with abutment members of the cover and of the base, but only with the peripheral wall that it totally covers.
The abutments against wh
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Elkins Gary E.
Groupe Guillin (S.A.)
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