Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1988-11-29
1990-03-13
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Wiping
15230, 1523017, 1523018, B24D 1314
Patent
active
049073133
ABSTRACT:
A buff adapted for self centering engagement with a backup pad comprising a circular body with a first fastener portion on its face surface. The buff includes a stiff flexible backing having a generally planar circular central portion and an annular flange only slightly larger than the diameter of the backup pad projecting from one side surface of its central portion, a second fastener portion fixed on the side surface of its central portion and adapted for engagement with the fastener portion on the backup pad, and a multiplicity of projecting tufts having central portions adhered in the backing by a thermoplastic adhesive that melts and adheres at a temperature under 100.degree. C.
REFERENCES:
patent: 3007289 (1961-11-01), Kent et al.
patent: 3345735 (1967-10-01), Riker
patent: 3346904 (1967-10-01), Armstrong
patent: 3430283 (1969-03-01), Engel et al.
patent: 3537122 (1970-11-01), Proffitt, Jr.
patent: 4045836 (1977-09-01), Glenn
patent: 4149294 (1979-04-01), MacKay, Jr. et al.
patent: 4692958 (1987-09-01), McMakin
Ott Ronald L.
Roeker David C.
Huebsch William L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Roberts Edward L.
Sell Donald M.
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