Abrasive tool making process – material – or composition – With inorganic material – Metal or metal oxide
Patent
1977-09-12
1978-12-26
Arnold, Donald J.
Abrasive tool making process, material, or composition
With inorganic material
Metal or metal oxide
51295, 51297, B24D 514, B24D 714
Patent
active
041314360
ABSTRACT:
An ophthalmic flat roughing wheel having a circumferential grinding layer made of a diamond-containing metallic matrix having greater diamond concentration in the center than at the edges. The wheel is made by bonding to the circumferential surface of a wheel blank, a diamond-containing metallic matrix of relatively high diamond concentration sandwiched between diamond-containing metallic matrixes of relatively lower diamond concentrations.
REFERENCES:
patent: 1826300 (1931-10-01), Chapell
patent: 2479078 (1949-08-01), Milligan et al.
patent: 2766565 (1956-10-01), Robinson et al.
patent: 3203774 (1965-08-01), Pratt
patent: 3298806 (1967-01-01), Cicchelli
patent: 3785938 (1974-01-01), Sam
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