CN2403541Y - 聚晶金刚石硬质合金复合齿 - Google Patents
聚晶金刚石硬质合金复合齿 Download PDFInfo
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- CN2403541Y CN2403541Y CN 00229200 CN00229200U CN2403541Y CN 2403541 Y CN2403541 Y CN 2403541Y CN 00229200 CN00229200 CN 00229200 CN 00229200 U CN00229200 U CN 00229200U CN 2403541 Y CN2403541 Y CN 2403541Y
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- hard alloy
- groove
- diamond
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- alloy composite
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Application Number | Priority Date | Filing Date | Title |
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CN 00229200 CN2403541Y (zh) | 2000-02-01 | 2000-02-01 | 聚晶金刚石硬质合金复合齿 |
Applications Claiming Priority (1)
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CN 00229200 CN2403541Y (zh) | 2000-02-01 | 2000-02-01 | 聚晶金刚石硬质合金复合齿 |
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CN2403541Y true CN2403541Y (zh) | 2000-11-01 |
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CN 00229200 Expired - Lifetime CN2403541Y (zh) | 2000-02-01 | 2000-02-01 | 聚晶金刚石硬质合金复合齿 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298496C (zh) * | 2002-12-23 | 2007-02-07 | 北京海能海特石油科技发展有限公司 | 超硬材料与金属基体材料复合的方法及石油钻具稳定器和石油钻头 |
CN102071878A (zh) * | 2009-11-24 | 2011-05-25 | 中国石油天然气股份有限公司冀东油田分公司 | 一种聚晶金刚石复合片 |
CN102913135A (zh) * | 2012-11-16 | 2013-02-06 | 福建万龙金刚石工具有限公司 | 一种聚晶金刚石复合片及其制作工艺 |
CN103797214A (zh) * | 2011-07-28 | 2014-05-14 | 第六元素研磨剂股份有限公司 | 用于挖掘工具的尖头和包括该尖头的挖掘工具 |
-
2000
- 2000-02-01 CN CN 00229200 patent/CN2403541Y/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298496C (zh) * | 2002-12-23 | 2007-02-07 | 北京海能海特石油科技发展有限公司 | 超硬材料与金属基体材料复合的方法及石油钻具稳定器和石油钻头 |
CN102071878A (zh) * | 2009-11-24 | 2011-05-25 | 中国石油天然气股份有限公司冀东油田分公司 | 一种聚晶金刚石复合片 |
CN103797214A (zh) * | 2011-07-28 | 2014-05-14 | 第六元素研磨剂股份有限公司 | 用于挖掘工具的尖头和包括该尖头的挖掘工具 |
CN102913135A (zh) * | 2012-11-16 | 2013-02-06 | 福建万龙金刚石工具有限公司 | 一种聚晶金刚石复合片及其制作工艺 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: North Central Henan city of Zhengzhou province Henan Chenzhai Quartet Superhard Materials Co., Ltd., zip code: 450045 Patentee after: Henan Sifang Super Hard Material Co., Ltd. Address before: North Central Henan city of Zhengzhou province Henan Chenzhai Quartet Superhard Materials Co., Ltd., zip code: 450045 Patentee before: Henan Sifang Superhard Materials Co., Ltd. |
|
C56 | Change in the name or address of the patentee |
Owner name: HENAN SIFANGDA SUPERHARD MATERIALS CO., LTD. Free format text: FORMER NAME: HENAN SIFANG SUPERHARD MATERIALS CO., LTD. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20001101 |