Composite article having discrete particulate areas formed there

Details Composite article having discrete particulate areas formed there Composite article having discrete particulate areas formed there

1987-09-30

1991-02-19

Bell, James J.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

428 72, 428 73, 428117, 428178, 428195, 428198, 428283, 428284, 428323, 428913, A61F 1315

Patent

active

049940538

ABSTRACT:
The invention is generally accomplished by providing a roll having cavities suitable for retaining small quantities of particulate material. The roll further is adapted to be rotated such that the particulate material is deposited onto a web in discrete areas. These areas correspond to the depressions on the roll. The apparatus and method of the invention further provides in its preferred form a roll applicator device for adhesive having a series of lands and valleys wherein the lands correspond to the areas between the discrete particulate material. The applicator roll provides adhesive on the land area that is transferred to a web of material which is brought into contact with the substrate bearing the discrete deposits of particulate material and sealed thereto. There is thereby provided areas of discrete particulate material securely separated by the adhesive connected webs.
In a preferred embodiment of the invention the particles are superabsorbent material and the composite web containing discrete areas of superabsorbent material is utilized in formation of an absorbent structure such as a diaper, incontinent garment or feminine pad.

REFERENCES:
patent: 4055180 (1977-10-01), Harami
patent: 4333463 (1982-06-01), Holtman
patent: 4341215 (1982-07-01), Eldridge
patent: 4360021 (1982-11-01), Stima
patent: 4578068 (1986-03-01), Kramer et al.

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