CN103920823B - 一种扩径锥体 - Google Patents
一种扩径锥体 Download PDFInfo
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- CN103920823B CN103920823B CN201410158133.1A CN201410158133A CN103920823B CN 103920823 B CN103920823 B CN 103920823B CN 201410158133 A CN201410158133 A CN 201410158133A CN 103920823 B CN103920823 B CN 103920823B
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CN201410158133.1A CN103920823B (zh) | 2014-04-18 | 2014-04-18 | 一种扩径锥体 |
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CN201410158133.1A CN103920823B (zh) | 2014-04-18 | 2014-04-18 | 一种扩径锥体 |
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CN103920823A CN103920823A (zh) | 2014-07-16 |
CN103920823B true CN103920823B (zh) | 2016-01-27 |
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CN201410158133.1A Active CN103920823B (zh) | 2014-04-18 | 2014-04-18 | 一种扩径锥体 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1406565A (en) * | 1972-11-24 | 1975-09-17 | Mannesmann Meer Ag | Tube expander |
US4064730A (en) * | 1976-03-18 | 1977-12-27 | Mannesmann Aktiengesellschaft | Tube expander |
JPS59107729A (ja) * | 1982-12-14 | 1984-06-22 | Nippon Steel Corp | 鋼管拡管機におけるセグメント |
CN201120435Y (zh) * | 2007-10-24 | 2008-09-24 | 王及元 | 扩径机 |
CN201815599U (zh) * | 2010-05-11 | 2011-05-04 | 湘潭华进科技有限公司 | 便携式扩径机 |
CN203804071U (zh) * | 2014-04-18 | 2014-09-03 | 湘潭华进科技有限公司 | 一种扩径锥体 |
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2014
- 2014-04-18 CN CN201410158133.1A patent/CN103920823B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1406565A (en) * | 1972-11-24 | 1975-09-17 | Mannesmann Meer Ag | Tube expander |
US4064730A (en) * | 1976-03-18 | 1977-12-27 | Mannesmann Aktiengesellschaft | Tube expander |
JPS59107729A (ja) * | 1982-12-14 | 1984-06-22 | Nippon Steel Corp | 鋼管拡管機におけるセグメント |
CN201120435Y (zh) * | 2007-10-24 | 2008-09-24 | 王及元 | 扩径机 |
CN201815599U (zh) * | 2010-05-11 | 2011-05-04 | 湘潭华进科技有限公司 | 便携式扩径机 |
CN203804071U (zh) * | 2014-04-18 | 2014-09-03 | 湘潭华进科技有限公司 | 一种扩径锥体 |
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CN103920823A (zh) | 2014-07-16 |
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Address after: 411300 hi tech Industrial Development Zone, Xiangtan, Hunan, Shaoshan Applicant after: XIANGTAN HUAJIN TECHNOLOGY CO.,LTD. Address before: 411300 hi tech Industrial Development Zone, Xiangtan, Hunan, Shaoshan Applicant before: XIANGTAN HUAJING SCIENCE & TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20190604 Address after: 411300 East of Lianhua Road and South of Xinyang Road, Shaoshan High-tech Industrial Development Zone, Xiangtan City, Hunan Province Patentee after: Xiangtan Huajin Heavy Loading Co.,Ltd. Address before: 411300 Shaoshan High-tech Industrial Development Zone, Xiangtan City, Hunan Province Patentee before: XIANGTAN HUAJIN TECHNOLOGY CO.,LTD. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 411300 East of Lianhua Road and South of Xinyang Road, Shaoshan High-tech Industrial Development Zone, Xiangtan City, Hunan Province Patentee after: Xiangtan Huajin Heavy Equipment Technology Co.,Ltd. Address before: 411300 East of Lianhua Road and South of Xinyang Road, Shaoshan High-tech Industrial Development Zone, Xiangtan City, Hunan Province Patentee before: Xiangtan Huajin Heavy Loading Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |