Packaged absorbent

Details Packaged absorbent Packaged absorbent

1987-03-09

1988-10-04

Cintins, Ivars

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2105021, B01D 1500

Patent

active

047754737

ABSTRACT:
An absorbent article suitable for absorption of aqueous as well as oleaginous liquids such as metal cutting fluids, hydraulic fluids, oils and the like is disclosed. The absorbent article is a spunlaced material sleeve closed at both ends and filled with an inherently flameproof particulate material, such as particulate clay material, having a certain particle size range. The spunlaced material is liquid permeable, oleophilic, and hydrophilic. The spunlaced material also has a liquid wicking rate that is at least equal to that of the particulate clay material contained within the sleeve. Preferred spunlaced materials are woodpulp/polyester spunlaced materials having a woodpulp-rich face and a polyester-rich face. The polyester-rich face is situated contiguous to the particulate absorbent material.

REFERENCES:
patent: 3739913 (1973-06-01), Bogosian
patent: 4111813 (1978-09-01), Preus
patent: 4343680 (1982-08-01), Field et al.
patent: 4659478 (1987-04-01), Stapelfeld et al.
patent: 4682422 (1987-07-01), Harris

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