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US 7,063,608 B2Granted
Grinding wheel having core body coated with impermeable coating
AssigneesNoritake Co., Limited, Noritake Super Abrasive Co., Ltd.
InventorsKazumasa Yoshida, Kensei Shimura, Tomoharu Kondo
Life of this patent
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Abstract
A grinding wheel including: (a) an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together; (b) an abrasive layer which is disposed radially outwardly of said annular core body and which includes a multiplicity of abrasive grains and a vitrified bond that holds said abrasive grains together; and (c) an impermeable coating which is formed of a synthetic resin, and which is disposed on said annular core body.
Claims8
A grinding wheel comprising:
- an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together;
- an abrasive layer which is disposed radially outwardly of said annular core body and which includes a multiplicity of abrasive grains and a vitrified bond that holds said abrasive grains together;
- and
- an impermeable coating which is formed of a synthetic resin, and which covers a surface of said annular core body, over an entirety of said core body so that a portion of said impermeable coating disposed on an outer circumferential surface of said annular core body is interposed between said annular core body and said abrasive layer.
1 more element
A grinding wheel, comprising:
- an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together;
- an abrasive layer which is disposed radially outwardly of said annular core body and which includes a multiplicity of abrasive grains and a vitrified bond that holds said abrasive grains together;
- and
- an impermeable coating which is formed of a synthetic resin, and which is disposed on a surface of said annular core body,
- wherein said annular core body is covered over an entirety thereof with said impermeable coating, so that a portion of said impermeable coating disposed on an outer circumferential surface of said annular core body is interposed between said annular core body and said abrasive layer.
2 more elements
Dependencies are inferred from the claim text.