Title: Multilayered flexible abrasive containing a layer of electroconductive material

Abstract: The accumulation of electrostatic charges in an abrasive article having a flexible backing sheet, a layer of adhesive and abrasive grains embedded in the adhesive is prevented by incorporating an electroconductive metal pigment or ionizable salt in an inner layer of the article and sandwiching this layer between two layers of substantially lower electroconductance so as to insulate the inner layer.

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Inventors: Markoo, Eric L. (Markaryd, SW)
Strand, Tore G. H. (Naasjo, SW)
Sandell, Thorsten W. (Markaryd, SW)

Application Number: 387748
Filing Date: 1973-08-13
Publication_date: 1976-03-09
Assignee: Fabriksaktiebolaget EKA (SW)
Primary Class(es): 51/295 51/297, 51/298, 51/301
Other Classes:
US Patent Ref:

3030251	Apr, 1962	Bore et al.	51/295.
3168387	Feb, 1965	Adams	51/295.
3256076	Jun, 1966	Duwell et al.	51/298.
3413106	Nov, 1968	Argiro	51/295.
3619150	Nov, 1971	Rinker	51/298.

Other Refs:
Primary Examiner: Arnold, Donald J.
Assistant Examiner:
Attorney: