Clamping jaws with spring action for closed orbital welding heads

• 1. 用于轨道车辆侧墙顶侧梁组焊的夹紧装置 [P] . 中国专利： CN201519850U . 2010.07.07
• 2. 用于弹簧夹紧装置的夹紧盘以及弹簧夹紧装置 [P] . 中国专利： CN102837289B . 2015.04.15
• 3. Welding jaws (clamping system) for closed wig - orbital welding heads with an integrated heat shield and guide system for the upper clamping jaw pair and an active gas cooling [P] . 德国专利： DE202015001188U1 . 2015-04-16

  机译： 封闭式假发-轨道式焊接头的焊接钳口（夹紧系统），带有用于上夹紧钳口对的集成式热屏蔽和导向系统，以及主动气体冷却装置

• 4. Way of welding pipes by orbital method with closed chamber head and the spring ring for welding pipes by orbital method with closed chamber head [P] . PL232252B1 . 2019-05-31

  机译： 密闭室盖的轨道法焊接方法和密闭室盖的轨道法焊接弹簧环

• 5. Way of welding pipes by orbital method with closed chamber head and the spring ring for welding pipes by orbital method with closed chamber head [P] . PL421317A1 . 2018-09-24

  机译： 密闭室盖的轨道法焊接方法和密闭室盖的轨道法焊接弹簧环

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