Abrasive tool making process – material – or composition – With synthetic resin
Patent
1976-01-14
1977-07-26
Arnold, Donald J.
Abrasive tool making process, material, or composition
With synthetic resin
51308, C09K 314
Patent
active
040380483
ABSTRACT:
A composition is disclosed for lapping or sharpening various cutting edges with primary emphasis on reel type lawnmowers, especially those for cutting golf course greens and other important turf surfaces. The composition is a permanent suspension of a lapping gel and a grinding grit. Contents of the lapping gel include a carboxy vinyl polymer thickener, a neutralizing base, water and a surfactant as essential ingredients, though a concentrated gel may be produced and the water added later. Additionally, other ingredients may be included to improve shelf life, viscosity, stabilize freeze-thaw conditions and the like. Representative lapping compositions according to the present invention comprise 0.18 to 0.75 weight percent carboxy vinyl polymer; a sufficient amount of a base to neutralize the carboxy vinyl polymer and provide a pH in a range of about 7 to 9, at least about 0.08 weight percent surfactant; 1.2 to 2.4 weight percent of a humectant such as glycerine; a minor amount of a preservative for the surfactant such as formalin; 35 to 70 weight percent of a grinding grit and the balance water.
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patent: 3804607 (1974-04-01), Jungell
patent: 3817727 (1974-06-01), Yancey
Arnold Donald J.
Manning, Jr,. Wellington M.
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