Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1990-09-05
1991-05-28
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51211R, 51 5D, 51158, 125 2, B24B 300, B24B 5302, B28D 100
Patent
active
050183150
ABSTRACT:
Apparatus for holding and storing sharpening stones that includes a water-tight reservoir which is open at the top and contains an integral supporting lip, bars that span the open top of the reservoir and are received within recesses in the reservoir sides, clamps on the rod to securely hold a sharpening stone in place, a lapping plate that rests within the integral supporting lip of the reservoir, and a dust cover which fits securely over the open top of the reservoir.
REFERENCES:
patent: 955265 (1910-04-01), Hayne
patent: 977838 (1910-12-01), Powell
patent: 2191719 (1990-02-01), Kuhlman
patent: 2453207 (1948-11-01), Dunn
patent: 3681806 (1972-08-01), Hao
patent: 3721049 (1973-03-01), Nakaham
patent: 4904280 (1990-02-01), Cygan et al.
Woodcraft 1990-91 Catalog, p. 99.
Gagnon Jean H.
Lee Leonard G.
McLean Francis A.
Lee Valley Tools Ltd.
Schmidt Frederick R.
Watson Bruce P.
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