Method of making cleaning, scouring and/or polishing pads and th

Details Method of making cleaning, scouring and/or polishing pads and th Method of making cleaning, scouring and/or polishing pads and th

1976-07-06

1978-09-05

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51298R, 51395, B24D 332, B24D 1504

Patent

active

041116666

ABSTRACT:
In a cleaning, scouring, scrubbing and/or polishing pad of the type formed from a pliable, flexible foam plastic body having a scrubbing surface with a plurality of protuberances being defined by peripheral surfaces generally perpendicular to and forming generally sharp edges with an upper scrubbing surface of the protuberances, there is provided an improvement which includes a hardened flexible, elastic material, generally more rigid than the foamed plastic material forming the pad, and impregnated into the foamed plastic at the protuberances to a depth of at least the height of the protuberances.

REFERENCES:
patent: 2001911 (1935-05-01), Wooddell et al.
patent: 2907146 (1959-10-01), Dyar
patent: 3073716 (1963-01-01), Gilchrist
patent: 3124822 (1964-03-01), Marchese
patent: 3182346 (1965-05-01), Winston
patent: 3188675 (1965-06-01), Beck
patent: 3252775 (1966-05-01), Guilbert
patent: 3498010 (1970-03-01), Hagihara
patent: 3529945 (1970-09-01), Charvat
patent: 3605349 (1971-09-01), Anthon
patent: 3609925 (1971-10-01), Riera

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