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1. 发明授权

US07951756B2 System having DLC contact surfaces, method of lubricating the system, and lubricant for the system 有权
标题翻译：具有DLC接触表面的系统，润滑系统的方法和系统的润滑剂
公开(公告)号：US07951756B2
公开(公告)日：2011-05-31
申请号：US10567311
申请日：2004-08-06
申请人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
发明人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
IPC分类号： C01G39/06 , C10M137/10 , C10M169/04 , C10M173/02 , B32B9/00
CPC分类号： C10M169/04 , C10M2201/087 , C10M2203/1006 , C10M2205/0206 , C10M2205/173 , C10M2207/02 , C10M2207/04 , C10M2207/08 , C10M2207/10 , C10M2207/144 , C10M2207/28 , C10M2207/32 , C10M2207/34 , C10M2215/02 , C10M2215/08 , C10M2219/068 , C10M2223/02 , C10M2223/045 , C10M2227/09 , C10N2210/02 , C10N2210/03 , C10N2220/022 , C10N2230/04 , C10N2230/06 , C10N2230/08 , C10N2240/04 , C10N2240/10 , C10N2260/14 , C10N2280/00 , Y10T428/30 , C10N2210/06
摘要： The present invention relates to a system wherein a pair of relatively movable, facing DLC contact surfaces at least one of which is coated with a DLC film, are further lowered in friction, and the low friction property is stably maintained. The present invention also relates to a lubricant for the system, and a lubricating method. The lubricant for the system having the DLC contact surfaces contains lubricant base oil (A) mainly composed of base oil (X), and sulfur-containing molybdenum complex (B). The base oil (X) is at least one of hydrocracked mineral oils, wax-isomerized mineral oils, and poly-α-olefin base oils, and has a kinematic viscosity of 2 to 20 mm2/s at 100° C., a total aromatic content of not higher than 5 mass %, and a total sulfur content of not higher than 0.005 mass %.
摘要翻译：本发明涉及一种系统，其中一对相对移动的DLC接触表面中的至少一个涂覆有DLC膜，其摩擦力进一步降低，并且稳定地保持低摩擦特性。本发明还涉及一种用于该系统的润滑剂和一种润滑方法。具有DLC接触表面的系统的润滑剂含有主要由基础油（X）和含硫钼络合物（B）组成的润滑剂基础油（A）。基油（X）为加氢裂化矿物油，蜡异构化矿物油，聚-α-烯烃基油中的至少一种，100℃时的运动粘度为2〜20mm 2 / s，总计芳族含量不高于5质量％，总硫含量不高于0.005质量％。

2. 发明申请

US20060263604A1 Low-friction sliding mechanism, low-friction agent composition and method of friction reduction 有权
标题翻译：低摩擦滑动机构，低摩擦剂组成和减摩法
公开(公告)号：US20060263604A1
公开(公告)日：2006-11-23
申请号：US10567139
申请日：2004-08-06
申请人： Jean Martin , Shigeki Takeshima , Shozaburo Konishi , Makoto Kano , Yutaka Mabuchi , Takao Ishikawa , Takafumi Ueno , Kiyotaka Nakamura , Takahiro Hamada
发明人： Jean Martin , Shigeki Takeshima , Shozaburo Konishi , Makoto Kano , Yutaka Mabuchi , Takao Ishikawa , Takafumi Ueno , Kiyotaka Nakamura , Takahiro Hamada
IPC分类号： B32B9/00 , B32B15/04
CPC分类号： C10M169/04 , C10M129/00 , C10M133/06 , C10M2203/1006 , C10M2205/0206 , C10M2207/00 , C10M2207/021 , C10M2207/0215 , C10M2207/126 , C10M2207/2835 , C10M2207/289 , C10M2215/04 , C10M2215/08 , C10M2219/066 , C10M2223/043 , C10M2223/045 , C10N2210/02 , C10N2220/022 , C10N2230/04 , C10N2230/06 , C10N2230/08 , C10N2240/04 , C10N2240/044 , C10N2280/00 , F16H57/041 , F16H57/0483 , Y10S384/907 , Y10T428/30 , Y10T428/31678 , C10N2210/06
摘要： The invention provides a low-friction sliding mechanism, a low-friction agent composition, a friction reduction method, a manual transmission and a final reduction gear unit that can exert very excellent low friction characteristics to sliding surfaces present under various applications, and, in particular, that have more excellent low friction characteristics than that of a combination of an existing steel material and an organic Mo compound. The low-friction sliding mechanism has an oxygen-containing organic compound or an aliphatic amine compound interposed between sliding surfaces that a DLC coated sliding member and a sliding member form. The low-friction agent composition contains an oxygen-containing organic compound or an aliphatic amine compound. The friction reduction method includes supplying the low-friction agent composition between sliding surfaces that a DLC coated sliding member and a sliding member form. The manual transmission includes, as at least one of sliding members, a DLC coated sliding section. The final reduction gear unit includes, as at least one of sliding members, a DLC coated sliding section.
摘要翻译：本发明提供了一种低摩擦滑动机构，低摩擦剂组合物，摩擦减小方法，手动变速器和最终减速齿轮单元，其可以在各种应用下的滑动表面上发挥非常优异的低摩擦特性，并且在特别地，具有比现有钢材和有机钼化合物的组合更优异的低摩擦特性。低摩擦滑动机构具有介于滑动表面之间的含氧有机化合物或脂族胺化合物，DLC涂覆的滑动构件和滑动构件形成。低摩擦剂组合物含有含氧有机化合物或脂族胺化合物。摩擦减小方法包括在滑动面之间供给低摩擦剂组合物，DLC涂覆的滑动构件和滑动构件形成。作为滑动构件中的至少一个，手动变速器包括DLC涂覆的滑动部分。最终减速装置包括作为滑动构件中的至少一个的DLC涂覆的滑动部分。

3. 发明授权

US08206035B2 Low-friction sliding mechanism, low-friction agent composition and method of friction reduction 有权
标题翻译：低摩擦滑动机构，低摩擦剂组成和减摩法
公开(公告)号：US08206035B2
公开(公告)日：2012-06-26
申请号：US10567139
申请日：2004-08-06
申请人： Jean Michel Martin , Shigeki Takeshima , Shozaburo Konishi , Makoto Kano , Yutaka Mabuchi , Takao Ishikawa , Takafumi Ueno , Kiyotaka Nakamura , Takahiro Hamada
发明人： Jean Michel Martin , Shigeki Takeshima , Shozaburo Konishi , Makoto Kano , Yutaka Mabuchi , Takao Ishikawa , Takafumi Ueno , Kiyotaka Nakamura , Takahiro Hamada
IPC分类号： F16C17/00
CPC分类号： C10M169/04 , C10M129/00 , C10M133/06 , C10M2203/1006 , C10M2205/0206 , C10M2207/00 , C10M2207/021 , C10M2207/0215 , C10M2207/126 , C10M2207/2835 , C10M2207/289 , C10M2215/04 , C10M2215/08 , C10M2219/066 , C10M2223/043 , C10M2223/045 , C10N2210/02 , C10N2220/022 , C10N2230/04 , C10N2230/06 , C10N2230/08 , C10N2240/04 , C10N2240/044 , C10N2280/00 , F16H57/041 , F16H57/0483 , Y10S384/907 , Y10T428/30 , Y10T428/31678 , C10N2210/06
摘要： The invention provides a low-friction sliding mechanism, a low-friction agent composition, a friction reduction method, a manual transmission and a final reduction gear unit that can exert very excellent low friction characteristics to sliding surfaces present under various applications, and, in particular, that have more excellent low friction characteristics than that of a combination of an existing steel material and an organic Mo compound.The low-friction sliding mechanism has an oxygen-containing organic compound or an aliphatic amine compound interposed between sliding surfaces that a DLC coated sliding member and a sliding member form.The low-friction agent composition contains an oxygen-containing organic compound or an aliphatic amine compound.The friction reduction method includes supplying the low-friction agent composition between sliding surfaces that a DLC coated sliding member and a sliding member form.The manual transmission includes, as at least one of sliding members, a DLC coated sliding section.The final reduction gear unit includes, as at least one of sliding members, a DLC coated sliding section.
摘要翻译：本发明提供了一种低摩擦滑动机构，低摩擦剂组合物，摩擦减小方法，手动变速器和最终减速齿轮单元，其可以在各种应用下的滑动表面上发挥非常优异的低摩擦特性，并且在特别地，具有比现有钢材和有机钼化合物的组合更优异的低摩擦特性。低摩擦滑动机构具有介于滑动表面之间的含氧有机化合物或脂族胺化合物，DLC涂覆的滑动构件和滑动构件形成。低摩擦剂组合物含有含氧有机化合物或脂族胺化合物。摩擦减小方法包括在滑动面之间供给低摩擦剂组合物，DLC涂覆的滑动构件和滑动构件形成。作为滑动构件中的至少一个，手动变速器包括DLC涂覆的滑动部分。最终减速装置包括作为滑动构件中的至少一个的DLC涂覆的滑动部分。

4. 发明授权

US07968502B2 System having DLC contact surfaces, method of lubricating the system, and lubricant for the system 有权
标题翻译：具有DLC接触表面的系统，润滑系统的方法和系统的润滑剂
公开(公告)号：US07968502B2
公开(公告)日：2011-06-28
申请号：US10566915
申请日：2004-08-06
申请人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
发明人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
IPC分类号： C04B35/52 , C10M169/04 , C10M137/10 , B32B9/00
CPC分类号： C10M169/04 , C10M2203/1025 , C10M2205/0206 , C10M2205/173 , C10M2207/00 , C10M2207/026 , C10M2207/262 , C10M2207/289 , C10M2215/04 , C10M2215/064 , C10M2219/046 , C10M2219/068 , C10M2223/02 , C10M2223/042 , C10M2223/045 , C10N2210/02 , C10N2220/022 , C10N2230/04 , C10N2230/06 , C10N2230/08 , C10N2230/43 , C10N2240/10 , C10N2280/00 , Y10T428/30 , C10N2210/06
摘要： The present invention relates to a lubricant for lubricating relatively movable, facing contact surfaces at least one of which is coated with DLC, a method of lubricating DLC contact surfaces with this lubricant, and a system having DLC contact surfaces. The lubricant fulfills the following conditions (a) and (b): (a) the lubricant contains a lubricant base oil containing, as a main component, a base oil composed at least one of a hydrocracked mineral oil, a wax-isomerized mineral oil, and a poly-α-olefin base oil. The base oil has a kinematic viscosity of 2 to 20 mm2/s at 100° C., a total aromatic content of not higher than 5 mass %, and a sulfur content of 0.005 mass %; and (b) the lubricant has a sulfur content of not higher than 0.2 mass %.
摘要翻译：本发明涉及润滑剂，用于润滑相对移动的面对的接触表面，其中至少一个涂覆有DLC，用该润滑剂润滑DLC接触表面的方法，以及具有DLC接触表面的系统。润滑剂满足以下条件（a）和（b）：（a）润滑剂含有以主要成分为基础的润滑油基油，所述基础油组成至少一种加氢裂化矿物油，蜡异构化矿物油，和聚-α-烯烃基油。基油在100℃下的运动粘度为2〜20mm 2 / s，总芳香族含量为5质量％以下，硫含量为0.005质量％。和（b）润滑剂的硫含量不高于0.2质量％。

5. 发明申请

US20080146468A1 System Having Dlc Contact Surfaces, Method of Lubricating the System, and Lubricant for the System 有权
标题翻译：具有Dlc接触表面的系统，润滑系统的方法和系统的润滑剂
公开(公告)号：US20080146468A1
公开(公告)日：2008-06-19
申请号：US10566915
申请日：2004-08-06
申请人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
发明人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
IPC分类号： C10M133/00 , C10M107/02
CPC分类号： C10M169/04 , C10M2203/1025 , C10M2205/0206 , C10M2205/173 , C10M2207/00 , C10M2207/026 , C10M2207/262 , C10M2207/289 , C10M2215/04 , C10M2215/064 , C10M2219/046 , C10M2219/068 , C10M2223/02 , C10M2223/042 , C10M2223/045 , C10N2210/02 , C10N2220/022 , C10N2230/04 , C10N2230/06 , C10N2230/08 , C10N2230/43 , C10N2240/10 , C10N2280/00 , Y10T428/30 , C10N2210/06
摘要： The present invention relates to a lubricant for lubricating relatively movable, facing contact surfaces at least one of which is coated with DLC, a method of lubricating DLC contact surfaces with this lubricant, and a system having DLC contact surfaces. The lubricant fulfills the following conditions (a) and (b): (a) the lubricant contains a lubricant base oil containing, as a main component, a base oil composed at least one of a hydrocracked mineral oil, a wax-isomerized mineral oil, and a poly-α-olefin base oil. The base oil has a kinematic viscosity of 2 to 20 mm2/s at 100° C., a total aromatic content of not higher than 5 mass %, and a sulfur content of 0.005 mass %; and (b) the lubricant has a sulfur content of not higher than 0.2 mass %.
摘要翻译：本发明涉及润滑剂，用于润滑相对移动的面对的接触表面，其中至少一个涂覆有DLC，用该润滑剂润滑DLC接触表面的方法，以及具有DLC接触表面的系统。润滑剂满足以下条件（a）和（b）：（a）润滑剂含有以主要成分为基础的润滑油基油，所述基础油组成至少一种加氢裂化矿物油，蜡异构化矿物油，和聚-α-烯烃基础油。基油的运动粘度在100℃下为2〜20mm 2 /秒，总芳香族含量为5质量％以下，硫含量为0.005质量％。和（b）润滑剂的硫含量不高于0.2质量％。

6. 发明申请

US20070060483A1 System having dlc contact surfaces, method of lubricating the system, and lubricant for the system (as amended) 有权
标题翻译：具有dlc接触表面的系统，润滑系统的方法和系统的润滑剂（经修改）
公开(公告)号：US20070060483A1
公开(公告)日：2007-03-15
申请号：US10567311
申请日：2004-08-06
申请人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
发明人： Shozaburo Konishi , Makoto Kano , Takafumi Ueno , Takao Ishikawa
IPC分类号： C01G39/06
CPC分类号： C10M169/04 , C10M2201/087 , C10M2203/1006 , C10M2205/0206 , C10M2205/173 , C10M2207/02 , C10M2207/04 , C10M2207/08 , C10M2207/10 , C10M2207/144 , C10M2207/28 , C10M2207/32 , C10M2207/34 , C10M2215/02 , C10M2215/08 , C10M2219/068 , C10M2223/02 , C10M2223/045 , C10M2227/09 , C10N2210/02 , C10N2210/03 , C10N2220/022 , C10N2230/04 , C10N2230/06 , C10N2230/08 , C10N2240/04 , C10N2240/10 , C10N2260/14 , C10N2280/00 , Y10T428/30 , C10N2210/06
摘要： The present invention relates to a system wherein a pair of relatively movable, facing DLC contact surfaces at least one of which is coated with a DLC film, are further lowered in friction, and the low friction property is stably maintained. The present invention also relates to a lubricant for the system, and a lubricating method. The lubricant for the system having the DLC contact surfaces contains lubricant base oil (A) mainly composed of base oil (X), and sulfur-containing molybdenum complex (B). The base oil (X) is at least one of hydrocracked mineral oils, wax-isomerized mineral oils, and poly-α-olefin base oils, and has a kinematic viscosity of 2 to 20 mm2/s at 100° C., a total aromatic content of not higher than 5 mass %, and a total sulfur content of not higher than 0.005 mass %.
摘要翻译：本发明涉及一种系统，其中一对相对移动的DLC接触表面中的至少一个涂覆有DLC膜，其摩擦力进一步降低，并且稳定地保持低摩擦特性。本发明还涉及一种用于该系统的润滑剂和一种润滑方法。具有DLC接触表面的系统的润滑剂含有主要由基础油（X）和含硫钼络合物（B）组成的润滑剂基础油（A）。基油（X）为加氢裂化矿物油，蜡异构化矿物油和聚-α-烯烃基油中的至少一种，其运动粘度为2〜20mm 2 在100℃，总芳族含量不高于5质量％，总硫含量不高于0.005质量％。

7. 发明授权

US07650976B2 Low-friction sliding member in transmission, and transmission oil therefor 有权
标题翻译：传动中的低摩擦滑动件，以及变速箱油
公开(公告)号：US07650976B2
公开(公告)日：2010-01-26
申请号：US11946407
申请日：2007-11-28
申请人： Takao Ishikawa , Kiyotaka Nakamura , Makoto Kano , Takafumi Ueno
发明人： Takao Ishikawa , Kiyotaka Nakamura , Makoto Kano , Takafumi Ueno
IPC分类号： F16H57/04 , F16D13/74 , C04B35/52
CPC分类号： C10M129/00 , C10M133/06 , C10M2205/0285 , C10M2207/021 , C10M2207/022 , C10M2207/04 , C10M2207/044 , C10M2207/122 , C10M2207/123 , C10M2207/126 , C10M2207/127 , C10M2207/141 , C10M2207/142 , C10M2207/281 , C10M2207/282 , C10M2207/285 , C10M2207/289 , C10M2209/108 , C10M2215/04 , C10M2215/042 , C10M2215/224 , C10M2215/28 , C10N2230/06 , C10N2240/042 , C10N2240/045 , C10N2260/14 , F16C33/16 , F16H57/041 , Y10T428/30
摘要： A low-friction sliding member in a transmission is at least one of sliding members which are in slidable contact with each other in presence of a transmission oil composition. The low-friction sliding member includes a base material having a sliding section. A hard carbon thin film is coated at a sliding surface of the sliding section of the base material. The hard carbon thin film contains hydrogen in an amount not more than 20 atomic %. The transmission oil composition contains at least one of organic oxygen-containing compound and aliphatic amine compound.
摘要翻译：变速箱中的低摩擦滑动构件是存在传动油组合物时彼此滑动接触的滑动构件中的至少一个。低摩擦滑动构件包括具有滑动部的基材。在基材的滑动部的滑动面上涂布硬质碳薄膜。硬碳薄膜含有不大于20原子％的氢。透射油组合物含有有机含氧化合物和脂族胺化合物中的至少一种。

8. 发明申请

US20050082139A1 Low-friction sliding member in transmission, and transmission oil therefor 有权
标题翻译：传动中的低摩擦滑动件，以及变速箱油
公开(公告)号：US20050082139A1
公开(公告)日：2005-04-21
申请号：US10921291
申请日：2004-08-19
申请人： Takao Ishikawa , Kiyotaka Nakamura , Makoto Kano , Takafumi Ueno
发明人： Takao Ishikawa , Kiyotaka Nakamura , Makoto Kano , Takafumi Ueno
IPC分类号： C10M129/00 , C10M133/06 , F16C33/10 , F16C33/16 , F16H57/04 , F16H3/00
CPC分类号： C10M129/00 , C10M133/06 , C10M2205/0285 , C10M2207/021 , C10M2207/022 , C10M2207/04 , C10M2207/044 , C10M2207/122 , C10M2207/123 , C10M2207/126 , C10M2207/127 , C10M2207/141 , C10M2207/142 , C10M2207/281 , C10M2207/282 , C10M2207/285 , C10M2207/289 , C10M2209/108 , C10M2215/04 , C10M2215/042 , C10M2215/224 , C10M2215/28 , C10N2230/06 , C10N2240/042 , C10N2240/045 , C10N2260/14 , F16C33/16 , F16H57/041 , Y10T428/30
摘要： A low-friction sliding member in a transmission is at least one of sliding members which are in slidable contact with each other in presence of a transmission oil composition. The low-friction sliding member includes a base material having a sliding section. A hard carbon thin film is coated at a sliding surface of the sliding section of the base material. The hard carbon thin film contains hydrogen in an amount not more than 20 atomic %. The transmission oil composition contains at least one of organic oxygen-containing compound and aliphatic amine compound.
摘要翻译：变速箱中的低摩擦滑动构件是存在传动油组合物时彼此滑动接触的滑动构件中的至少一个。低摩擦滑动构件包括具有滑动部的基材。在基材的滑动部的滑动面上涂布硬质碳薄膜。硬碳薄膜含有不大于20原子％的氢。透射油组合物含有有机含氧化合物和脂族胺化合物中的至少一种。

9. 发明授权

US07318514B2 Low-friction sliding member in transmission, and transmission oil therefor 有权
标题翻译：传动中的低摩擦滑动件，以及变速箱油
公开(公告)号：US07318514B2
公开(公告)日：2008-01-15
申请号：US10921291
申请日：2004-08-19
申请人： Takao Ishikawa , Kiyotaka Nakamura , Makoto Kano , Takafumi Ueno
发明人： Takao Ishikawa , Kiyotaka Nakamura , Makoto Kano , Takafumi Ueno
IPC分类号： F16H57/04 , F16D13/74
CPC分类号： C10M129/00 , C10M133/06 , C10M2205/0285 , C10M2207/021 , C10M2207/022 , C10M2207/04 , C10M2207/044 , C10M2207/122 , C10M2207/123 , C10M2207/126 , C10M2207/127 , C10M2207/141 , C10M2207/142 , C10M2207/281 , C10M2207/282 , C10M2207/285 , C10M2207/289 , C10M2209/108 , C10M2215/04 , C10M2215/042 , C10M2215/224 , C10M2215/28 , C10N2230/06 , C10N2240/042 , C10N2240/045 , C10N2260/14 , F16C33/16 , F16H57/041 , Y10T428/30
摘要： A low-friction sliding member in a transmission is at least one of sliding members which are in slidable contact with each other in presence of a transmission oil composition. The low-friction sliding member includes a base material having a sliding section. A hard carbon thin film is coated at a sliding surface of the sliding section of the base material. The hard carbon thin film contains hydrogen in an amount not more than 20 atomic %. The transmission oil composition contains at least one of organic oxygen-containing compound and aliphatic amine compound.
摘要翻译：变速箱中的低摩擦滑动构件是存在传动油组合物时彼此滑动接触的滑动构件中的至少一个。低摩擦滑动构件包括具有滑动部的基材。在基材的滑动部的滑动面上涂布硬质碳薄膜。硬碳薄膜含有不大于20原子％的氢。透射油组合物含有有机含氧化合物和脂族胺化合物中的至少一种。

10. 发明申请

US20120139164A1 POWDER COMPACTING DEVICE AND METHOD FOR MANUFACTURING SOLID POWDER COMPACT 审中-公开
标题翻译：粉末压制装置及制造固体粉末的方法
公开(公告)号：US20120139164A1
公开(公告)日：2012-06-07
申请号：US13060913
申请日：2009-08-28
申请人： Takao Ishikawa , Ikuo Fukuda
发明人： Takao Ishikawa , Ikuo Fukuda
IPC分类号： B28B1/08 , B30B11/00
CPC分类号： B30B11/022 , B30B11/10 , B30B15/022 , B30B15/065
摘要： A compacting device of the invention includes: a die (11) having a through hole (10) extending in a vertical direction; and a container support (12) inserted into the through hole (10) vertically from below, disposed to be vertically movable in the through hole (10), and supporting a container (3) from below while being in contact with a portion of a lower surface of the container (3). The container support (12) and the through hole (10) define a housing space (S) for the container (3). The compacting device further includes: a lower punch (20a) for applying ultrasonic vibration to powder contained in the container (3); and an upper punch (20b). The container support (12) has a movement path (15) for the lower punch (20a), formed along the entire vertical length of the container support (12). The lower punch (20a) is provided in such a manner that it can move through the movement path (15) and come into contact with portions of the lower surface of the container (3) other than the above-described portion thereof.
摘要翻译：本发明的压实装置包括：具有沿垂直方向延伸的通孔（10）的模具（11）; 以及从下方垂直插入到所述通孔（10）中的容器支撑件（12），所述容器支撑件（12）设置成在所述通孔（10）中可垂直移动，并且在与所述通孔（10）的一部分接触的同时从下方支撑容器容器（3）的下表面。容器支撑件（12）和通孔（10）限定用于容器（3）的容纳空间（S）。压实装置还包括：用于对包含在容器（3）中的粉末施加超声振动的下冲头（20a）; 和上冲头（20b）。容器支撑件（12）具有沿着容器支撑件（12）的整个垂直长度形成的用于下冲头（20a）的移动路径（15）。下冲头（20a）设置成能够移动通过移动路径（15）并与容器（3）的除了上述部分之外的下表面的部分接触。

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