Coating processes – Solid particles or fibers applied – Fluidized bed utilized
Patent
1996-04-09
1999-11-09
Bos, Steven
Coating processes
Solid particles or fibers applied
Fluidized bed utilized
423446, B01J 306
Patent
active
059809825
ABSTRACT:
A coated particle for synthesizing diamond includes: a single crystal of a fine diamond particle coated with at least one layer which contains at least one kind of solvent metal powder for synthesizing diamond and/or at least one kind of solvent metal powder with organic bonding material. Diamond abrasive particles for sawing are produced by a process which includes the steps of: coating fine diamond particles with at least one layer which contains at least one kind of solvent metal powder for synthesizing diamond and/or at least one kind of solvent metal powder with organic bonding material, filling a molding with the coated fine diamond particles, compacting, arranging a compact in a synthesizing vessel, heating the compact to a temperature above a solvent metal-graphite melting point under a pressure condition in which diamond is thermodynamically stable, and recovering the diamond abrasive particles.
REFERENCES:
patent: 4547257 (1985-10-01), Iizuka
patent: 4770907 (1988-09-01), Kimura
patent: 4927619 (1990-05-01), Tsuji
patent: 5194070 (1993-03-01), Sumiya
Patent Abstracts of Japan 59 164 605, Jan. 18, 1985.
Patent Abstracts of Japan 59 164 607, Jan. 18, 1985.
JP-A-49004630, Feb. 1974
JP-A-47 015 386, Aug. 22, 1972.
Degawa Junji
Fujioka Akifumi
Goda Yasushi
Tsuji Kazuwo
Bos Steven
Hendickson Stuart L.
Sunitomo Electric Industries, Ltd.
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