Coated cutting tool

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12257634
APP PUB NO 20220072622A1
SERIAL NO

17422501

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Importance

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Abstract

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Provided is a coated cutting tool, which includes a hard coating film containing a layer (b) formed of a nitride or a carbonitride, a layer (c) which is a layered coating film formed by alternately layering a nitride or carbonitride layer (c1) that contains 55 atom % or more and 75 atom % or less of Al, Cr having a second highest content percentage, and at least Si and a nitride or carbonitride layer (c2) that contains 55 atom % or more and 75 atom % or less of Al and Ti having a second highest content, and a layer (d) that is a nitride or carbonitride that contains, with respect to a total amount of metal elements (including metalloid elements), 55 atom % or more and 75 atom % or less of Al and Ti having a second highest content percentage, the content percentage of Ti being 20 atom % or more.

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Patent Owner(s)

Patent OwnerAddress
MOLDINO TOOL ENGINEERING LTD4-31-11 RYOGOKU SUMIDA-KU TOKYO 1300026 ?1300026

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fuwa, Ryoutarou Narita, JP 4 3
Isaka, Masakazu Narita, JP 6 11

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