Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1986-12-30
1987-12-22
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
51401, 51407, 428138, 428143, 428323, B24D 1100, B32B 310, B32B 518
Patent
active
047146443
ABSTRACT:
A sanding pad particularly useful for simultaneously intersecting surfaces that form sanding inside or outside corners. The pad comprises a stiff rectangular backing sheet having through slits along closely spaced parallel lines, with the slits along each line forming most of the line and being spaced by a plurality of unslit parts of the sheet. A coating of abrasive granules is adhered along a first surface of the sheet, and a layer of resiliently compressible foam is adhered on and coextensive with a second surface of the backing sheet which affords bending the backing sheet at about a right angle along one of the lines to deform the foam adjacent the line about which said sheet is bent while retaining in generally planar condition the two portions of the sheet on opposite sides of the line about which the sheet is bent.
REFERENCES:
patent: 3021649 (1962-02-01), Robbins
patent: 4202139 (1980-05-01), Hong et al.
patent: 4459987 (1984-07-01), Pangburn
Huebsch William L.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Van Balen William J.
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