High-porosity CBN vitrified grinding stone having homogeneous structure

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United States of America Patent

PATENT NO 11458593
APP PUB NO 20210162564A1
SERIAL NO

17045511

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Abstract

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In a high-porosity CBN vitrified grinding stone having a homogeneous structure, a CBN abrasive grain, a large-diameter inorganic hollow filler having an average particle diameter in a range from a grain size one class coarser to a grain size one class finer with respect to a class indicating a grain size of the CBN abrasive grain, and a small-diameter inorganic hollow filler having an average particle diameter of ⅕ to ½ of that of the CBN abrasive grain are bonded by an inorganic bonding agent.

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Patent Owner(s)

Patent OwnerAddress
NORITAKE CO LIMITED3-1-36 NORITAKE-SHINMACHI NISHI-KU NAGOYA-SHI AICHI 451-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Ryoma Nagoya, JP 6 32
Mishima, Takeshi Nagoya, JP 6 33
Yoshimura, Kouichi Nagoya, JP 10 225

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