Special receptacle or package – For folded sheetlike article
Patent
1993-08-24
1995-01-03
Gehman, Bryon P.
Special receptacle or package
For folded sheetlike article
221 64, 383 66, 383200, B65D 7558, B65D 3336
Patent
active
053778375
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a bag in flexible material for the packaging of products compressed in one direction, for example hygiene products such as nappy-pants, formed from a flexible envelope surrounding and holding the products in the compressed state and comprising means for opening the envelope with a view to removing the products, and to a pack of compressed hygiene products packaged in such a bag.
In a bag of this type known from Application EP-A-349,050 and U.S. Pat. No. 4,966,286, the opening means are defined by lines of perforations made in a wall of the bag which is perpendicular to the direction of compression of the compressed products. In order to prevent the compressed products from escaping from the bag at the moment of opening, provision is made for the opening defined by the perforation lines to have a width which is smaller than the width of the products and, preferably, a width which increases towards the bottom. Provision is also made for the opening defined by the lines of perforations to extend only over part of the height of the products.
However, use has revealed that this known package is not entirely satisfactory, particularly if the products contained in the package are highly compressed, for example up to 50% as is desirable in the case of hygiene articles such as nappy-pants, in order to reduce the storage and transportation volume. In fact, extraction of the products one by one from such a package poses problems in that, due to their high degree of compression, those products closest to the opening tend to emerge by themselves via the opening thus created, or several tend to emerge simultaneously when a pulling action is exerted on the product closest to the opening.
The object of the present invention is to create a bag for the packaging of compressible products, which bag permits extraction of the packaged products in a simple manner, one by one, from the package, even when they are under a high degree of compression. A further object of the invention is to create a pack of compressed hygiene products packaged in such a bag in a particularly compact form, with means for permitting easy extraction of the hygiene products, one by one, without the risk of the products escaping prematurely.
The bag according to the invention for the packaging of products compressed in one direction, for example of hygiene products such as nappy-pants, is formed from a flexible envelope surrounding and holding the products in the compressed state and comprising means for opening the envelope with a view to removing the products. According to the invention, the envelope also comprises, on a first side of the bag which is perpendicular to the direction of compression of the products, expansion means enabling the user to increase the inner volume of the envelope uniformly over substantially the whole of the said first side in order to decompress the products, and the said opening means are provided on a second side of the bag in a zone adjacent to the said first side.
The said expansion means preferably comprise an envelope wall reserve and means for holding this wall reserve in an inactive position, that is to say in a reserve position. It is thus only when the user puts the envelope wall reserve into action that an increase in the inner volume of the envelope, and thus a decompression of the products, is produced, which greatly facilitates their removal one by one.
The said expansion means may comprise an envelope part extending in the manner of a pouch towards the inside of the envelope and immobilisation means for holding this envelope wall part in the form of a pouch inside the envelope.
The bag according to the invention may preferably have a general parallelepipedal shape and contain at least one horizontal stack of nappy-pants arranged vertically and compressed in the horizontal stacking direction. In this case, the expansion means are provided on a vertical side of the bag, substantially over the entire height of the said side. The opening means are, moreover, provided on the top o
REFERENCES:
patent: 4934535 (1990-06-01), Muckenfuhs
patent: 4966286 (1990-10-01), Muckenfuhs
patent: 5050742 (1991-09-01), Muckenfuhs
patent: 5054619 (1991-10-01), Muckenfuhs
patent: 5065868 (1991-11-01), Cornelissen
Gehman Bryon P.
Peaudouce
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