Apparatus for making the topsheet of a fluid absorptive article

Details Apparatus for making the topsheet of a fluid absorptive article Apparatus for making the topsheet of a fluid absorptive article

1994-11-30

1997-04-15

Weber, Thomas R.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

425 801, 425 811, 425 831, 425112, 425115, 425388, 425402, 4254031, B29C 3104

Patent

active

056207123

ABSTRACT:
A topsheet for use in body fluid absorptive articles is so improved that collapse and clogging of liquid passages therein may be reliably avoided. The topsheet includes an upper sheet, provided with skin-contacting areas and liquid passages, and a lower sheet provided with skin-non-contacting areas, areas welded to the liquid passages, and exposed areas. The exposed areas are welded to each of the liquid passages around lower openings thereof so as to protect the liquid passage against collapse and clogging. The exposed areas define a skin-contacting surface which rises up into each of the liquid passages without extending above the upper surface of the skin-contacting areas. The upper sheet cooperates with the lower sheet to define cavities extending in the direction of the topsheet thickness.

REFERENCES:
patent: 4005957 (1977-02-01), Savich
patent: 4397644 (1983-08-01), Matthews et al.
patent: 4619723 (1986-10-01), Takagi
patent: 4634440 (1987-01-01), Widlund et al.
patent: 4741941 (1988-05-01), Englebert et al.
patent: 4761258 (1988-08-01), Enloe
patent: 5171238 (1992-12-01), Kajander

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