Inside diameter blade
AssigneeMitsubishi Kinzoku Kabushiki Kaisha
InventorShigeru Mazaki
Life of this patent
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Abstract
An inside diameter blade has an annular plate and a layer of abrasive grains deposited on an internal circumferential portion of the annular plate. The thickness of the internal circumferential portion of the annular plate is set to no greater than 1/5,000 of its outer diameter. The tensile strength of the annular plate is set to no less than 230 kgf/mm.sup.2.
Claims4
An inside diameter blade which comprises an annular plate and a layer of abrasive grains formed on an internal circumferential portion of said annular plate, wherein the thickness of said inner peripheral portion of said annular plate is set to no greater than 1/5,000 of the outer diameter of said annular plate, and wherein the tensile strength of said annular plate is approximately 240 kgf/mm.sup.2.
Dependencies are inferred from the claim text.