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1. 发明授权

EP0414340B1 Boiler tube cutting apparatus 失效
标题翻译：用于锅炉管的切割装置。
公开(公告)号：EP0414340B1
公开(公告)日：1994-03-02
申请号：EP90305518.4
申请日：1990-05-22
申请人： Hillestad, Tollief O. , Hillestad, Mark W.
发明人： Hillestad, Tollief O. , Hillestad, Mark W.
IPC分类号： F22B37/00 , B23D45/02 , B23Q9/00
CPC分类号： B23Q9/0014 , B23D45/021 , F22B37/00

2. 发明授权

EP0362989B1 Portable power tool for milling tube ends 失效
标题翻译：一种便携式动力用于管端的去毛刺操作设备。
公开(公告)号：EP0362989B1
公开(公告)日：1994-05-11
申请号：EP89307381.7
申请日：1989-07-20
申请人： Hillestad, Tollief O. , Hillestad, Mark W.
发明人： Hillestad, Tollief O. , Hillestad, Mark W.
IPC分类号： B23C1/20 , B24B23/02
CPC分类号： B23B5/168 , B23B2270/027 , Y10S408/702 , Y10T408/65 , Y10T408/655 , Y10T408/899 , Y10T409/304144

3. 发明公开

EP0653263A1 Boiler tube bank repair 失效
标题翻译：锅炉管银行修理
公开(公告)号：EP0653263A1
公开(公告)日：1995-05-17
申请号：EP94308459.0
申请日：1994-11-16
申请人： Hillestad, Mark W.
发明人： Hillestad, Mark W.
IPC分类号： B23B51/10 , B23C5/02 , F22B37/10
CPC分类号： B23C3/007 , B23B5/167 , B23C5/02 , F22B37/102 , Y10T29/4935 , Y10T82/22 , Y10T408/5584 , Y10T409/303808 , Y10T409/30644
摘要： A method for repairing boiler tube walls (10) by cutting out and replacing a worn or damaged section thereof involves the use of a power tool (18) having a rotary milling head (20) specially adapted to remove membrane (16) material from between tube ends (12) which are exposed when the damaged section is removed and optionally to simultaneously bevel the end of a tube as membrane material is being removed. The method and apparatus of the invention allows for the rapid and precise removal of membrane material from between the exposed tube ends to facilitate subsequent beveling and welding operations or for concurrent beveling and membrane removal, while substantially reducing the risk of weakening or damaging the tube wall by avoiding excess removal of material therefrom.
摘要翻译：通过切割和更换其磨损或损坏部分来修复锅炉管壁（10）的方法涉及使用具有旋转铣头（20）的动力工具（18），所述旋转铣头特别适用于从中间移除膜（16）材料当损坏部分被移除时暴露的管端（12），并且随着膜材料被移除，可选地同时斜切管的端部。本发明的方法和设备允许从暴露的管端部之间快速且精确地移除膜材料以促进随后的斜切和焊接操作或者用于同时斜切和膜移除，同时显着降低减弱或损坏管壁的风险通过避免从中过量去除材料。

4. 发明公开

EP0414340A1 Boiler tube cutting apparatus 失效
标题翻译： Vorrichtung zum Schneiden von Kesselrohren。
公开(公告)号：EP0414340A1
公开(公告)日：1991-02-27
申请号：EP90305518.4
申请日：1990-05-22
申请人： Hillestad, Tollief O. , Hillestad, Mark W.
发明人： Hillestad, Tollief O. , Hillestad, Mark W.
IPC分类号： F22B37/00 , B23D45/02 , B23Q9/00
CPC分类号： B23Q9/0014 , B23D45/021 , F22B37/00
摘要： An apparatus (10) for cutting boiler tubes comprising a movable carriage (14) having a cutting means (12) where the carriage and cutting means are supported on a lateral supporting beam (16) secured adjacently to a bank of boiler tubes (18). The movable carriage means is stabilized with a plurality of bearings means (46) for engaging the lateral beam and preventing strain and vibrations during the cutting process. The cutting means (12) is preferably powered by a pneumatic motor (30).
摘要翻译：一种用于切割锅炉管的设备（10），包括具有切割装置（12）的可移动滑架（14），其中滑架和切割装置支撑在与一组锅炉管（18）相邻固定的侧向支撑梁（16）上，。可移动的托架装置通过多个用于接合横向梁的轴承装置（46）来稳定，并防止切割过程中的应变和振动。切割装置（12）优选地由气动马达（30）驱动。

5. 发明公开

EP0362989A1 Portable power tool for milling tube ends 失效
标题翻译： Tragbares，kraftbetriebenesGerätzum Entgraten von Rohrenden。
公开(公告)号：EP0362989A1
公开(公告)日：1990-04-11
申请号：EP89307381.7
申请日：1989-07-20
申请人： Hillestad, Tollief O. , Hillestad, Mark W.
发明人： Hillestad, Tollief O. , Hillestad, Mark W.
IPC分类号： B23C1/20 , B24B23/02
CPC分类号： B23B5/168 , B23B2270/027 , Y10S408/702 , Y10T408/65 , Y10T408/655 , Y10T408/899 , Y10T409/304144
摘要： A portable gas operated rotary tool (10) is provided for milling a surface on the end of a cylindrical workpiece (11). The tool has a motor (20) powered by a pressurised gas, such as compressed air. The motor directly drives a rotary milling head (60) which is axially aligned with the axis of rotation of the motor. The motor has a stator chamber (25) which houses a rotor (35) having radial slots (42). Vanes (43) are journalled within said slots for radial movement within the slot and define progressively expanding cavities. The milling head (60) has a central bore (62) for mounting on an arbor (55) of the motor. The milling head includes blades (68, 69, 70) for milling a frustoconical surface on the workpiece and a non-locking pilot tube (64) to align the tool with the longitudinal axis of the workpiece. A novel air motor design is also disclosed that provides very high rotary speeds using standard air system pressure, very high horsepower, a low polar amount of inertial and a low torque.
摘要翻译：提供了便携式气体旋转工具（10），用于铣削圆柱形工件（11）的端部上的表面。该工具具有由加压气体（例如压缩空气）供电的马达（20）。马达直接驱动旋转铣头（60），其与马达的旋转轴线轴向对准。电动机具有容纳具有径向槽（42）的转子（35）的定子室（25）。叶片（43）被轴颈安装在所述槽内，用于在槽内径向移动并且限定逐渐扩大的空腔。铣头（60）具有用于安装在马达的心轴（55）上的中心孔（62）。铣头包括用于铣削工件上的截头圆锥形表面的刀片（68,69,70）和用于将工具与工件的纵向轴线对准的非锁定先导管（64）。还公开了一种新颖的空气马达设计，其使用标准空气系统压力，非常高的马力，低极性的惯性和低扭矩提供非常高的旋转速度。

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