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"Carburized Steel Part"
Abstract: The present invention provides a carburized steel part obtained by subjecting a base material to a cutting operation and a carburizing operation, in which the base material includes chemical components of: C: greater than 0.3 but less than or equal to 0.6% by mass; Si: 0.01 to 1.5% by mass; Mn: 0.3 to 2.0% by mass; P: 0.0001 to 0.02% by mass; S: 0.001 to 0.15% by mass; N: 0.001 to 0.03% by mass; Al: greater than 0.06 but less than or equal to 0.3% by mass; and, O: 0.0001 to 0.005% by mass, with a balance including iron and inevitable impurities, and in which the carburized steel part has a hardness of HV550 to HV800 in a surface layer portion, and a hardness of HV400 to HV550 in a core portion.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
28 October 2010
Publication Number
36/2011
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-05-26
Renewal Date
Applicants
NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
Inventors
1. KEI MIYANISHI
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
2. TOSHIHARU AISO
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 7591-delnp-2010-Form-3-(27-04-2011).pdf | 2011-04-27 |
| 1 | 7591-DELNP-2010-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
| 2 | 7591-delnp-2010-Correspondence-Others-(27-04-2011).pdf | 2011-04-27 |
| 2 | 7591-DELNP-2010-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 3 | 7591-delnp-2010-gpa.pdf | 2011-08-20 |
| 3 | 283596-Correspondence-120719.pdf | 2019-07-20 |
| 4 | 7591-delnp-2010-form-5.pdf | 2011-08-20 |
| 4 | 283596-OTHERS-120719.pdf | 2019-07-20 |
| 5 | 7591-delnp-2010-form-3.pdf | 2011-08-20 |
| 5 | 283596-Power of Attorney-120719.pdf | 2019-07-20 |
| 6 | 7591-DELNP-2010-PROOF OF ALTERATION [11-07-2019(online)].pdf | 2019-07-11 |
| 6 | 7591-delnp-2010-form-2.pdf | 2011-08-20 |
| 7 | 7591-DELNP-2010-RELEVANT DOCUMENTS [22-02-2019(online)].pdf | 2019-02-22 |
| 7 | 7591-delnp-2010-form-18.pdf | 2011-08-20 |
| 8 | 7591-delnp-2010-form-1.pdf | 2011-08-20 |
| 8 | 283596-7591-DELNP-2010.pdf | 2018-12-11 |
| 9 | 7591-delnp-2010-drawings.pdf | 2011-08-20 |
| 9 | 7591-DELNP-2010-RELEVANT DOCUMENTS [17-02-2018(online)].pdf | 2018-02-17 |
| 10 | 7591-delnp-2010-description (complete).pdf | 2011-08-20 |
| 10 | 7591-DELNP-2010-PatentCertificateCoverLetter.pdf | 2017-05-26 |
| 11 | 7591-DELNP-2010-Correspondence-231116.pdf | 2016-11-25 |
| 11 | 7591-delnp-2010-correspondence-others.pdf | 2011-08-20 |
| 12 | 7591-delnp-2010-claims.pdf | 2011-08-20 |
| 12 | 7591-DELNP-2010-Power of Attorney-231116.pdf | 2016-11-25 |
| 13 | 7591-delnp-2010-abstract.pdf | 2011-08-20 |
| 13 | Abstract [22-11-2016(online)].pdf | 2016-11-22 |
| 14 | 7591-DELNP-2010-GPA-(08-07-2013).pdf | 2013-07-08 |
| 14 | Claims [22-11-2016(online)].pdf | 2016-11-22 |
| 15 | 7591-DELNP-2010-Form-2-(08-07-2013).pdf | 2013-07-08 |
| 15 | Correspondence [22-11-2016(online)].pdf | 2016-11-22 |
| 16 | 7591-DELNP-2010-Form-1-(08-07-2013).pdf | 2013-07-08 |
| 16 | Description(Complete) [22-11-2016(online)].pdf | 2016-11-22 |
| 17 | Examination Report Reply Recieved [22-11-2016(online)].pdf | 2016-11-22 |
| 17 | 7591-DELNP-2010-Correspondence-Others-(08-07-2013).pdf | 2013-07-08 |
| 18 | 7591-DELNP-2010-FER.pdf | 2016-08-12 |
| 18 | Form 3 [22-11-2016(online)].pdf | 2016-11-22 |
| 19 | Form 3 [21-10-2016(online)].pdf | 2016-10-21 |
| 19 | Other Document [22-11-2016(online)].pdf | 2016-11-22 |
| 20 | Petition Under Rule 137 [22-11-2016(online)].pdf | 2016-11-22 |
| 20 | Petition Under Rule 137 [22-11-2016(online)].pdf_29.pdf | 2016-11-22 |
| 21 | Petition Under Rule 137 [22-11-2016(online)].pdf | 2016-11-22 |
| 21 | Petition Under Rule 137 [22-11-2016(online)].pdf_29.pdf | 2016-11-22 |
| 22 | Form 3 [21-10-2016(online)].pdf | 2016-10-21 |
| 22 | Other Document [22-11-2016(online)].pdf | 2016-11-22 |
| 23 | 7591-DELNP-2010-FER.pdf | 2016-08-12 |
| 23 | Form 3 [22-11-2016(online)].pdf | 2016-11-22 |
| 24 | Examination Report Reply Recieved [22-11-2016(online)].pdf | 2016-11-22 |
| 24 | 7591-DELNP-2010-Correspondence-Others-(08-07-2013).pdf | 2013-07-08 |
| 25 | 7591-DELNP-2010-Form-1-(08-07-2013).pdf | 2013-07-08 |
| 25 | Description(Complete) [22-11-2016(online)].pdf | 2016-11-22 |
| 26 | 7591-DELNP-2010-Form-2-(08-07-2013).pdf | 2013-07-08 |
| 26 | Correspondence [22-11-2016(online)].pdf | 2016-11-22 |
| 27 | 7591-DELNP-2010-GPA-(08-07-2013).pdf | 2013-07-08 |
| 27 | Claims [22-11-2016(online)].pdf | 2016-11-22 |
| 28 | 7591-delnp-2010-abstract.pdf | 2011-08-20 |
| 28 | Abstract [22-11-2016(online)].pdf | 2016-11-22 |
| 29 | 7591-delnp-2010-claims.pdf | 2011-08-20 |
| 29 | 7591-DELNP-2010-Power of Attorney-231116.pdf | 2016-11-25 |
| 30 | 7591-DELNP-2010-Correspondence-231116.pdf | 2016-11-25 |
| 30 | 7591-delnp-2010-correspondence-others.pdf | 2011-08-20 |
| 31 | 7591-delnp-2010-description (complete).pdf | 2011-08-20 |
| 31 | 7591-DELNP-2010-PatentCertificateCoverLetter.pdf | 2017-05-26 |
| 32 | 7591-delnp-2010-drawings.pdf | 2011-08-20 |
| 32 | 7591-DELNP-2010-RELEVANT DOCUMENTS [17-02-2018(online)].pdf | 2018-02-17 |
| 33 | 283596-7591-DELNP-2010.pdf | 2018-12-11 |
| 33 | 7591-delnp-2010-form-1.pdf | 2011-08-20 |
| 34 | 7591-delnp-2010-form-18.pdf | 2011-08-20 |
| 34 | 7591-DELNP-2010-RELEVANT DOCUMENTS [22-02-2019(online)].pdf | 2019-02-22 |
| 35 | 7591-delnp-2010-form-2.pdf | 2011-08-20 |
| 35 | 7591-DELNP-2010-PROOF OF ALTERATION [11-07-2019(online)].pdf | 2019-07-11 |
| 36 | 283596-Power of Attorney-120719.pdf | 2019-07-20 |
| 36 | 7591-delnp-2010-form-3.pdf | 2011-08-20 |
| 37 | 7591-delnp-2010-form-5.pdf | 2011-08-20 |
| 37 | 283596-OTHERS-120719.pdf | 2019-07-20 |
| 38 | 7591-delnp-2010-gpa.pdf | 2011-08-20 |
| 38 | 283596-Correspondence-120719.pdf | 2019-07-20 |
| 39 | 7591-DELNP-2010-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 39 | 7591-delnp-2010-Correspondence-Others-(27-04-2011).pdf | 2011-04-27 |
| 40 | 7591-DELNP-2010-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
| 40 | 7591-delnp-2010-Form-3-(27-04-2011).pdf | 2011-04-27 |