B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
51/15, 57/7
B24D 3/32 (2006.01) B24B 13/01 (2006.01) B24B 37/00 (2006.01) B24D 3/34 (2006.01)
Patent
CA 1122017
ABSTRACT A glass fining sheet particularly suited for finishing rough ground vitreous surfaces to provide a surface finish which may be readily polished comprises a flexible, conformable backing sheet bearing a micro- cellular abrasive granule-resin matrix which, under use conditions and in the presence of an aqueous flow, generates a fining slurry. The fining sheet according to this invention is prepared by coating a flexible conformable backing sheet with a foamed liquid abrasive granule-resin coating composition comprised of liquid curable binder material, abrasive fining granules and sufficient compatible solvent to provide a coatable composition. Such coating provides a cellular layer which releases the fining abrasive granules at a controlled rate under use conditions.
327166
Butzke Hilbert C.
Harry Dennis W.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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