Disposable absorbent product

Details Disposable absorbent product Disposable absorbent product

1991-08-02

1994-11-22

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604379, 604383, A61F 1315

Patent

active

053664515

ABSTRACT:
A composite absorbent structure capable of extremely short fluid penetration time, well-suited for use as an absorbent core in disposable absorbent products such as adult disposable briefs, diapers, incontinence pads, sanitary napkins, wound dressings and bandages. The composite absorbent structure comprises a highly absorbent fluid transfer sheet having a low fluid retentiveness, and a laminated, wicking reservoir with a high fluid retentiveness in intimate fluid communication with the fluid transfer sheet to draw fluid therefrom under the effect of capillary action. The laminated reservoir includes superposed layers, the layer closest to the fluid transfer sheet being provided with a fluid distribution well. A highly porous and hydrophilic spacer element is inserted between the reservoir layers establishing a high void volume area which forms an extension of the fluid absorptive well between the reservoir layers. The invention also comprehends a method for providing a rapid fluid absorption in a disposable absorbent product.

REFERENCES:
patent: 4988344 (1991-01-01), Reising et al.

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