CN212338178U - 一种隔绝物料与密封环接触的砂磨机旋转接头及砂磨机 - Google Patents
一种隔绝物料与密封环接触的砂磨机旋转接头及砂磨机 Download PDFInfo
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- CN212338178U CN212338178U CN202021032017.2U CN202021032017U CN212338178U CN 212338178 U CN212338178 U CN 212338178U CN 202021032017 U CN202021032017 U CN 202021032017U CN 212338178 U CN212338178 U CN 212338178U
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CN113856836A (zh) * | 2021-09-15 | 2021-12-31 | 南京利卡维智能科技有限公司 | 一种多轴研磨机轴承箱压力平衡式密封结构及使用方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113856836A (zh) * | 2021-09-15 | 2021-12-31 | 南京利卡维智能科技有限公司 | 一种多轴研磨机轴承箱压力平衡式密封结构及使用方法 |
CN113856836B (zh) * | 2021-09-15 | 2023-02-28 | 南京利卡维智能科技有限公司 | 一种多轴研磨机轴承箱压力平衡式密封结构及使用方法 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a rotary joint of a sand mill and a sand mill for isolating material from contact with a sealing ring Effective date of registration: 20220310 Granted publication date: 20210112 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG HUIMIN SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2022980002330 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230221 Granted publication date: 20210112 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG HUIMIN SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2022980002330 |
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PC01 | Cancellation 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 utility model: A rotary joint of sand mill and sand mill that insulates material from contact with sealing ring Effective date of registration: 20230224 Granted publication date: 20210112 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG HUIMIN SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2023980033303 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |