Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1976-05-07
1978-04-04
Arnold, Donald J.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
51309R, 204275, 204297R, C25D 1706, C25D 1718
Patent
active
040826406
ABSTRACT:
An improved abrasive tool useful in grinding and cutting and an improvement method and apparatus for making the same wherein a blank having a metallic working area presenting the required profile configuration of the tool has a multiplicity of closely spaced abrasive particles of predetermined size, uniformly distributed in a layer of substantially single particle thickness over the working area, and held in place by electro-deposited nickel preferably formed in two layers adhered to the working surface and to the sides of the abrasive particles for approximately 1/2 to 2/3 of the height thereof. The upper surface of the particles are free from plating material and project above the surface of the plating material between the particles. In applying the abrasive particles, the blank is supported by a fixture in a container having a cylindrical impervious side wall surrounding the working surface in spaced relation thereto and having a porous mesh base portion beneath the working surface. A mass of abrasive particles is packed in the space between the working surface and side wall enclosure and a nickel plating solution is poured downwardly over the working surface and through the abrasive particles and mesh in the presence of a nickel anode to lightly secure or tack the first layer of nickel plating. The surplus abrasive particles outside of the said first layer are then removed and thereafter further nickel plating is applied to firmly secure the first layer of abrasive particles in place.
REFERENCES:
patent: 2360798 (1944-10-01), Seligman et al.
patent: 2391206 (1945-12-01), Van Der Pyl
patent: 2424140 (1947-07-01), Beecher
patent: 3046204 (1962-07-01), Barron
patent: 3663191 (1972-05-01), Kroder
patent: 3785938 (1974-01-01), Sam
patent: 3957593 (1976-05-01), Haack
Arnold Donald J.
Keene Corporation
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