Surgery – Means and methods for collecting body fluids or waste material – Absorbent pad for external or internal application and...
Utility Patent
1998-09-25
2001-01-02
Weiss, John G. (Department: 3761)
Surgery
Means and methods for collecting body fluids or waste material
Absorbent pad for external or internal application and...
C604S378000, C604S381000, C604S385010
Utility Patent
active
06169225
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to disposable training pants and more particularly to such pants useful to be put on a baby who should be trained so that the baby can smoothly proceed to a stage of life requiring no diaper.
Training pants of this type are well known, for example, from Japanese Utility Model Application Disclosure No. Hei7-33916, in which a wetness holding sheet is bonded along its longitudinally opposite ends to an inner surface of a pants laminate panel in its crotch region.
In the above-mentioned training pants, the wetness holding sheet does not extend longitudinally beyond the crotch region. A dimension of the wetness holding sheet as measured between its two fulcra at which the wetness holding sheet is bonded to the laminate panel is correspondingly small. Consequently, a degree of freedom for a relative movement between the wetness holding sheet and the laminate panel is too limited to stabilize the wetness holding sheet properly and satisfactorily in close contact with the baby's crotch and thereby to reliably make the baby aware of wetness.
SUMMARY OF THE INVENTION
In view of the above problem, it is an object of the invention to provide disposable training pants provided with wetness telling means adapted to satisfy requirements such that the degree of freedom is sufficiently high to stabilize the wetness telling means properly and satisfactorily in close contact with the baby's crotch and thereby to improve a wetness telling effect thereof.
According to the invention is provided an improvement in disposable training pants comprising a laminate panel composed of a liquid-permeable topsheet, a liquid-impermeable backsheet and a liquid-absorbent core disposed between these two sheets so as to define front and rear waist regions, a crotch region, a waist-opening and a pair of leg-openings, the openings being respectively provided with elastic members adapted to be stretchable/contractile circumferentially of the respective openings; and wetness telling means provided inside the laminate panel.
The improvement is characterized in that the wetness telling means comprise a pair of elastically stretchable/contractile suspender sheets respectively provided on an upper surface of the topsheet in the front and rear waist regions so as to extend circumferentially of the front and rear waist regions, each of the suspender sheets having upper and lower ends parallelly extending circumferentially of the associated one of the waist regions and transversely opposite side edges connecting these upper and lower ends to each other, and a crotch covering sheet secured at longitudinally opposite ends to the paired suspender sheets in the proximity of their middle portions; the wetness telling means are attached to the laminate panel by securing the upper ends of the paired suspender sheets to the laminate panel in the proximity of the front and rear upper ends of the waist-opening and securing the transversely opposite side edges of the paired suspender sheets to the laminate panel in the proximity of the transversely opposite side edges of the front and rear waist regions; and the crotch covering sheet has its transverse dimension insufficient to extend outward beyond the elastically stretchable/contractile members provided in association with the leg-openings.
REFERENCES:
patent: 5342343 (1994-08-01), Kitaoka et al.
patent: 5425726 (1995-06-01), Shimizu et al.
patent: 5888264 (1999-03-01), Matsushita
patent: 5891124 (1999-04-01), Nomura et al.
patent: 0661031 (1995-05-01), None
patent: 7-33916 U (1995-06-01), None
Baker & Daniels
Kidwell Michele
Uni-Charm Corporation
Weiss John G.
LandOfFree
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