Disposable diaper

Details Disposable diaper Disposable diaper

1984-11-05

1986-11-18

Yasko, John D.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604378, A61F 1316

Patent

active

046233423

ABSTRACT:
A disposable diaper comprises a liquid-permeable surface sheet, a liquid-impermeable backing sheet, and an absorbent pad sandwiched between the two sheets, characterized in that water-absorptive, shrinkable fiber strings, which contract lengthwise on contact with water and are rendered stretchable, are secured to the two sheets, extending midway longitudinally of the diaper in parallel along, but without overlapping, the both edges of the pad, the edge portions of the surface sheet outside the water-absorptive, shrinkable fiber strings and the surface sheet portion on the absorbent pad being partly bonded together at two spots about halfway of the length, the distance between the two bonded spots being at least 50 mm and the bonded spots themselves being 10 to 50 mm long each, and elastic, stretch members, at least 70 mm long each and having a combined elastic force or tensile strength (the weight equivalent to the force required to stretch the diaper including any shrank portions thereof up to the total diaper length) of 20 to 600 g, are provided midway and longitudinally of the both edge portions of the diaper at least 5 mm outside the both bonded spots.

REFERENCES:
patent: 4246900 (1981-01-01), Schroder
patent: 4336803 (1982-06-01), Repke
patent: 4447240 (1984-05-01), Ito et al.

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