Surgery – Means and methods for collecting body fluids or waste material – Absorbent pad for external or internal application and...
Patent
1993-05-11
1995-04-18
Green, Randall L.
Surgery
Means and methods for collecting body fluids or waste material
Absorbent pad for external or internal application and...
604358, 604369, 604373, 6043851, 604393, A61F 1315, A61F 1320
Patent
active
054074380
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a casing for an absorbent article, such as a disposable diaper, incontinence guard or like article.
BACKGROUND OF THE INVENTION
Such casing normally include leg elastication which, when the article is worn, embrace the wearer's thighs so as to prevent the occurrence of gaps between the article and the wearer's thighs and therewith provide a seal against lateral leakage. The leg elastication will often consist of elastic threads or elastic bands which are enclosed between the two layers or sheets from which such casings are normally made. It is also known to use elastic devices in so-called all-in-one diapers which function to gather together those side-parts of the casing material which lie outside the absorbent pad in a manner to lift these parts in at least the crotch-part of the article, so as to form barriers against lateral leakage. Although this design will normally function in the manner intended, there is a danger of the upstanding side part of the casing being folded inwards over the absorbent pad when the diaper is placed in position on the wearer. Further, when narrow elastic threads are used, there is a danger of the threads chaffing against the wearer's skin.
SUMMARY OF THE INVENTION
One object of the present invention is to provide a casing for an absorbent article having leg elastication which, in addition to satisfying the demands normally placed on such articles, will also form a barrier which prevents lateral leakage of liquid and which will also afford a high degree of comfort to the wearer of the absorbent article without risk of chaffing of the skin, and which will enable the absorbent article to be readily positioned correctly on the wearer.
According to the present invention, this object is achieved with a casing for an absorbent article, such as a disposable diaper, incontinence guard or like article comprising a front-part, a rear-part and an intermediate crotch-part of flexible casing material, which casing is characterized in that an elastic band is disposed on each outer edge of the casing sides, at least within the crotch-part; in that the elastic band is attached in a stretched or tensioned state to that side of the casing which lies nearest the wearer's skin in use by means of respective narrow, longitudinally extending joins; and in that the elastic band includes parts which extend transversely on relation to respective joins, in a direction away from said joins and in towards the central part of the casing. The narrow joins function as a hinge about which the elastic band can swing freely, therewith facilitating correct positioning of the absorbent article of which the casing forms part. Since the elastic band is manufactured separately from the casing, the band can be made from a material which is friendly to the skin and can be readily dimensioned to provide an optimum effect. Furthermore, the elastic band lies directly against the skin, which eliminates the risk that the article will become less proofed against leakage and also that the skin will not be subjected to the chaffing that folds of casing material between skin and elastic threads of conventional leg elastication can cause. Because the manner in which the elastic band is connected to the legs in the crotch-part of the article enables the band to pivot around the joins to a substantially vertical position, those parts of the elastic band that are swung away from the joins will function as liquid barriers. When the inventive casing is intended for repeated use and is therewith intended to coact with loose absorbent, disposable pads, the elastic bands will assist in holding the absorbent pad in position in the casing.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other features of the invention, and advantages afforded thereby, will be apparent from the following description of a preferred embodiment of the invention, made with reference to the accompanying drawings, in which
FIG. 1 illustrates from above an absorbent article provided with an inventiv
REFERENCES:
patent: 2545674 (1951-03-01), Ralph
patent: 3400718 (1968-09-01), Saijo
patent: 4753646 (1988-06-01), Enloe
Hedlund Gunilla
Magnusson Ing-Britt
Green Randall L.
Molnlycke AB
Zuttarelli P.
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