CN103658582B - 一种抽芯式地弹簧的壳体结构及其加工方法 - Google Patents
一种抽芯式地弹簧的壳体结构及其加工方法 Download PDFInfo
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- CN103658582B CN103658582B CN201210351860.0A CN201210351860A CN103658582B CN 103658582 B CN103658582 B CN 103658582B CN 201210351860 A CN201210351860 A CN 201210351860A CN 103658582 B CN103658582 B CN 103658582B
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- core
- square
- floor spring
- shell structure
- loosing core
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CN201210351860.0A CN103658582B (zh) | 2012-09-20 | 2012-09-20 | 一种抽芯式地弹簧的壳体结构及其加工方法 |
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CN201210351860.0A CN103658582B (zh) | 2012-09-20 | 2012-09-20 | 一种抽芯式地弹簧的壳体结构及其加工方法 |
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CN103658582A CN103658582A (zh) | 2014-03-26 |
CN103658582B true CN103658582B (zh) | 2016-04-06 |
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CN201210351860.0A Active CN103658582B (zh) | 2012-09-20 | 2012-09-20 | 一种抽芯式地弹簧的壳体结构及其加工方法 |
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Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2024311A (en) * | 1978-06-28 | 1980-01-09 | Lucas Industries Ltd | Door closers |
US4665583A (en) * | 1984-09-28 | 1987-05-19 | Emhart Industries, Inc. | Door closer piston assembly having separate head portions |
JP2854614B2 (ja) * | 1989-07-21 | 1999-02-03 | リョービ株式会社 | ドアクローザ |
CN2287687Y (zh) * | 1997-04-26 | 1998-08-12 | 徐祥年 | 地弹簧 |
CN2558737Y (zh) * | 2002-07-11 | 2003-07-02 | (株)Kkk | 地弹簧 |
CN101135217B (zh) * | 2006-09-01 | 2012-11-14 | 多玛两合有限公司 | 地板闭门器 |
CN101363304A (zh) * | 2007-08-10 | 2009-02-11 | 台湾福兴工业股份有限公司 | 自动关门器 |
CN201347673Y (zh) * | 2008-11-07 | 2009-11-18 | 梁成杰 | 高精度优质耐磨钢质缸体闭门器 |
CN102225503B (zh) * | 2011-04-02 | 2013-08-14 | 翁振栋 | 一种地弹簧转轴头部成型模具 |
CN202899869U (zh) * | 2012-09-20 | 2013-04-24 | 湖州徳冠门控有限公司 | 一种抽芯式地弹簧的壳体结构 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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: 313009, 1085 Yang Hong Road, Nanxun Town, Zhejiang, Huzhou Patentee after: Zhejiang Haida door control Co.,Ltd. Address before: 313009, 1085 Yang Hong Road, Nanxun Town, Zhejiang, Huzhou Patentee before: HUZHOU DEGUAN GATE CONTROL Co.,Ltd. Address after: 313009, 1085 Yang Hong Road, Nanxun Town, Zhejiang, Huzhou Patentee after: HAIDA DOOR CONTROL CO.,LTD. Address before: 313009, 1085 Yang Hong Road, Nanxun Town, Zhejiang, Huzhou Patentee before: Zhejiang Haida door control Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A shell structure of a core-pulling floor spring and its processing method Effective date of registration: 20220816 Granted publication date: 20160406 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: HAIDA DOOR CONTROL CO.,LTD. Registration number: Y2022330001778 |