Method for the production of a brous absorption body

Details Method for the production of a brous absorption body Method for the production of a brous absorption body

1986-12-29

1989-04-04

Cashion, Jr., Merrell C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156209, 156296, 156311, B27N 304, B27N 312

Patent

active

048183156

ABSTRACT:
The present invention relates to a fibrous absorption body intended for use in disposable products such as diapers, sanitary napkins or wound dressings and also, in addition to such a novel and improved body, a method for its manufacture. The distinguishing feature of the inventive absorption body is that at least one type of absorbing fibers is included therein as well as a binder activated by heat, preferably in the form of bonding fibers; that the absorption fibers are bonded to a coherent body with the aid of the binder; and that its body, due to compression of its bulk volume, will obtain a continuous density gradient throughout said volume which is retained both in a wet and in a dry state.

REFERENCES:
patent: 3652377 (1972-03-01), Helmick
patent: 4342805 (1982-08-01), McCartney
patent: 4363682 (1982-12-01), Thiebault
patent: 4377615 (1983-03-01), Suzuki et al.
patent: 4590114 (1986-05-01), Holtman
patent: 4655877 (1987-04-01), Horimoto et al.

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