Rotatable floor treating pad

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

15209R, 51395, 428 65, 428129, 428136, 428192, 428220, 428224, B24D 1102, B24D 332

Patent

active

042716403

ABSTRACT:
A rotatable floor treating pad is provided by uniformly modifying a strip of conformable low-density abrasive product to provide an expandable zone on one side, a contractable zone on the other side, or both, each or a combination of which permits formation of the strip into an annulus without buckling, forming an annulus of the strip and setting the formed annulus to cause it to maintain its shape.

REFERENCES:
patent: 2805485 (1957-09-01), Krummel
patent: 2958593 (1960-11-01), Hoover et al.
patent: 3181193 (1965-05-01), Nobles et al.
patent: 3357141 (1967-12-01), Annis
patent: 3529385 (1970-09-01), Stein
patent: 4004316 (1977-01-01), Ali
patent: 4099765 (1978-07-01), Bright

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