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1. 发明授权

US06494275B2 Rock drill bit having retrac teeth and method for its manufacturing 失效
标题翻译：具有回切齿的岩石钻头及其制造方法
公开(公告)号：US06494275B2
公开(公告)日：2002-12-17
申请号：US09796440
申请日：2001-03-02
申请人： Bengt Åsberg , Kenneth Larsson , Bertil Ederyd
发明人： Bengt Åsberg , Kenneth Larsson , Bertil Ederyd
IPC分类号： E21B1000
CPC分类号： E21B17/1092 , E21B10/003 , E21B10/36 , E21B10/38 , E21B17/0426
摘要： A rock drill bit for percussive drilling, especially top hammer drilling, includes a bit head provided with front rock crushing buttons and a skirt. The bit head is provided with a number of grooves formed in the outside of the skirt and extending in the axial direction of the drill bit. Protruding lands are defined between the grooves, which likewise extend in the axial direction. Axially rearward ends of at least some of the lands are formed with retrac teeth. Each retrac tooth has a cutting edge extending along an outer circumference of the skirt.
摘要翻译：一种用于冲击钻的岩石钻头，特别是顶锤式钻孔，包括一个带有前部岩石破碎按钮和裙部的钻头头。该钻头头设置有形成在裙部外侧并在钻头的轴向方向上延伸的若干槽。凹槽之间被限定在凹槽之间，凹槽同样在轴向方向上延伸。至少一些焊盘的轴向后端形成有回拉齿。每个后掠齿具有沿裙部的外周延伸的切割边缘。

2. 外观设计

USD525995S1 Portion of a drill bit 失效
标题翻译：钻头的一部分
公开(公告)号：USD525995S1
公开(公告)日：2006-08-01
申请号：US29212831
申请日：2004-09-09
申请人： Fredrik Bjork , Bertil Ederyd , Kenneth Larsson
设计人： Fredrik Bjork , Bertil Ederyd , Kenneth Larsson

3. 发明授权

US5984030A Rock drilling tool, drill bit and a method of transferring percussive energy 失效
标题翻译：岩石钻具，钻头和传递冲击能量的方法
公开(公告)号：US5984030A
公开(公告)日：1999-11-16
申请号：US913286
申请日：1997-09-11
申请人： Kenneth Larsson , Rainer Beccu
发明人： Kenneth Larsson , Rainer Beccu
IPC分类号： E21B10/36 , E21B10/56 , E21B17/042
CPC分类号： E21B10/36 , E21B10/56 , E21B17/0426
摘要： A rock drilling tool for percussive drilling includes a drill bit and a drill tube cooperating by means of shoulder abutment in a threaded connection. The connection includes at least one male thread and a female thread. The male thread is provided on a shank being an integral part of the drill bit. The drill bit is provided with a shoulder at the inner end of the shank, the shoulder having an abutment surface facing towards the free end of the shank. The female thread is provided in the drill tube and the free end of the drill tube is provided with an impact surface. The threads are cylindrical. The combination of shoulder abutment with a short head provides straight energy transfer at a rock drilling tool.
摘要翻译： PCT No.PCT / SE96 / 00352 Sec。 371日期：1997年9月11日 102（e）日期1997年9月11日PCT 1996年3月21日PCT公布。公开号WO96 / 30620 PCT 日期1996年10月3日一种用于冲击钻探的凿岩工具包括钻头和钻杆，通过在螺纹连接中的肩部邻接配合。该连接件包括至少一个外螺纹和内螺纹。外螺纹设置在作为钻头的一体部分的柄部上。钻头在柄部的内端设置有肩部，肩部具有面向柄的自由端的邻接表面。内螺纹设置在钻杆中，钻杆的自由端设有冲击表面。螺纹为圆柱形。肩胛骨与短头的组合在岩石钻具上提供直接能量传递。

4. 发明授权

US08226333B2 Tool for chip removing machining as well as a part and threaded joint therefor 有权
标题翻译：用于切屑加工的工具以及用于其的部件和螺纹接头
公开(公告)号：US08226333B2
公开(公告)日：2012-07-24
申请号：US12585522
申请日：2009-09-17
申请人： Isak Kakai , Ralf Lehto , Kenneth Larsson , Magnus Örtlund
发明人： Isak Kakai , Ralf Lehto , Kenneth Larsson , Magnus Örtlund
IPC分类号： B23C5/22 , B23B31/11 , B23B51/00
CPC分类号： B23B31/1107 , B23B31/1115 , B23B51/00 , B23B2231/0204 , B23B2251/02 , B23C5/10 , B23C2210/02 , B23C2240/32 , Y10T279/16 , Y10T407/1908 , Y10T407/1924 , Y10T407/1948 , Y10T408/907 , Y10T408/90993 , Y10T408/95
摘要： A cutting tool, and a loose top therefore, includes two parts detachably connected to each other via a threaded joint in which co-operating male and female threads are included in the form of helicoidal ridges. The profile shape of each helicoidal ridge is defined by a top and two flanks, which delimit a helicoidal groove having a bottom. The first flank is inclined in relation to a center axis of the tool at a first angle that is smaller than a second angle of the second flank in relation to the center axis. Accordingly, the thread ridge is reinforced in comparison with thread ridges having a symmetrical profile shape, whereby larger tensile forces than compressive forces can be applied to the threaded joint while avoiding damage to the thread ridges.
摘要翻译：因此，切割工具和松顶部包括通过螺纹接头彼此可拆卸地连接的两个部件，其中配合的螺纹和螺纹形成螺旋形脊的形式。每个螺旋脊的轮廓形状由顶部和两个侧面限定，其限定具有底部的螺旋槽。第一侧面以相对于中心轴线小于第二侧面的第二角度的第一角度相对于工具的中心轴线倾斜。因此，与具有对称轮廓形状的螺纹脊相比，螺纹脊被加强，由此可以对螺纹接头施加比压缩力更大的拉力，同时避免损坏螺纹脊。

5. 发明申请

US20050217901A1 Drill rod and method of manufacture thereof 有权
标题翻译：钻杆及其制造方法
公开(公告)号：US20050217901A1
公开(公告)日：2005-10-06
申请号：US11087799
申请日：2005-03-24
申请人： Ann-Cathrin Hedlund , Kenneth Larsson
发明人： Ann-Cathrin Hedlund , Kenneth Larsson
IPC分类号： A24C5/18 , E21B17/042
CPC分类号： E21B17/0426
摘要： A drill rod for percussive rock drilling includes a first rod part and an additional second rod part. The first rod part includes first and second ends, an inner duct, and an external thread disposed adjacent the first end, wherein the external thread is at least partly hardened by heat treatment. The additional rod part includes first and second ends, an inner duct, and an internally thread disposed adjacent the first end thereof, wherein the internal thread is at least partly hardened by heat treatment. The first ends of the respective first and second rod parts are threadedly secured to one another, and the second ends of the respective first and second rod parts are welded together to define a weld zone having a substantially martensitic structure. If there is further provided an intermediate hollow rod part, then the second ends of the respective first and second rod parts would be welded to respective ends of the intermediate hollow part to define weld zones having a substantially martensitic structure.
摘要翻译：用于冲击式岩石钻探的钻杆包括第一杆部分和附加的第二杆部分。第一杆部分包括第一和第二端部，内部管道和邻近第一端部设置的外部螺纹，其中外部螺纹通过热处理至少部分地硬化。附加的杆部分包括第一和第二端，内部管道和邻近其第一端设置的内螺纹，其中内螺纹通过热处理至少部分硬化。相应的第一和第二杆部分的第一端彼此螺纹固定，并且相应的第一和第二杆部分的第二端被焊接在一起以限定具有基本马氏体结构的焊接区域。如果进一步设置中间空心杆部分，则相应的第一和第二杆部分的第二端将被焊接到中间中空部分的相应端部以限定具有基本马氏体结构的焊接区域。

6. 发明授权

US07611311B2 Tool for chip removing machining as well as a part and threaded joint therefor 有权
标题翻译：用于切屑加工的工具以及用于其的部件和螺纹接头
公开(公告)号：US07611311B2
公开(公告)日：2009-11-03
申请号：US11785742
申请日：2007-04-19
申请人： Isak Kakai , Ralf Lehto , Kenneth Larsson , Magnus Örtlund
发明人： Isak Kakai , Ralf Lehto , Kenneth Larsson , Magnus Örtlund
IPC分类号： B23C5/22 , B23B31/11 , B23B51/00
CPC分类号： B23B31/1107 , B23B31/1115 , B23B51/00 , B23B2231/0204 , B23B2251/02 , B23C5/10 , B23C2210/02 , B23C2240/32 , Y10T279/16 , Y10T407/1908 , Y10T407/1924 , Y10T407/1948 , Y10T408/907 , Y10T408/90993 , Y10T408/95
摘要： A cutting tool, and a loose top therefore, includes two parts detachably connected to each other via a threaded joint in which co-operating male and female threads are included in the form of helicoidal ridges. The profile shape of each helicoidal ridge is defined by a top and two flanks, which delimit a helicoidal groove having a bottom. The first flank is inclined in relation to a center axis of the tool at a first angle that is smaller than a second angle of the second flank in relation to the center axis. Accordingly, the thread ridge is reinforced in comparison with thread ridges having a symmetrical profile shape, whereby larger tensile forces than compressive forces can be applied to the threaded joint while avoiding damage to the thread ridges.
摘要翻译：因此，切削工具和松顶部包括通过螺纹接头可拆卸地彼此连接的两个部件，其中配合的螺纹和螺纹螺纹以螺旋脊的形式包括在内。每个螺旋脊的轮廓形状由顶部和两个侧面限定，其限定具有底部的螺旋槽。第一侧面以相对于中心轴线小于第二侧面的第二角度的第一角度相对于工具的中心轴线倾斜。因此，与具有对称轮廓形状的螺纹脊相比，螺纹脊被加强，由此可以对螺纹接头施加比压缩力更大的拉力，同时避免损坏螺纹脊。

7. 发明申请

US20070248421A1 Tool for chip removing machining as well as a part and threaded joint therefor 有权
标题翻译：用于切屑加工的工具以及用于其的部件和螺纹接头
公开(公告)号：US20070248421A1
公开(公告)日：2007-10-25
申请号：US11785742
申请日：2007-04-19
申请人： Isak Kakai , Ralf Lehto , Kenneth Larsson , Magnus Ortlund
发明人： Isak Kakai , Ralf Lehto , Kenneth Larsson , Magnus Ortlund
IPC分类号： B26D1/12
CPC分类号： B23B31/1107 , B23B31/1115 , B23B51/00 , B23B2231/0204 , B23B2251/02 , B23C5/10 , B23C2210/02 , B23C2240/32 , Y10T279/16 , Y10T407/1908 , Y10T407/1924 , Y10T407/1948 , Y10T408/907 , Y10T408/90993 , Y10T408/95
摘要： A cutting tool, and a loose top therefore, includes two parts detachably connected to each other via a threaded joint in which co-operating male and female threads are included in the form of helicoidal ridges. The profile shape of each helicoidal ridge is defined by a top and two flanks, which delimit a helicoidal groove having a bottom. The first flank is inclined in relation to a center axis of the tool at a first angle that is smaller than a second angle of the second flank in relation to the center axis. Accordingly, the thread ridge is reinforced in comparison with thread ridges having a symmetrical profile shape, whereby larger tensile forces than compressive forces can be applied to the threaded joint while avoiding damage to the thread ridges.
摘要翻译：因此，切削工具和松顶部包括通过螺纹接头可拆卸地彼此连接的两个部件，其中配合的螺纹和螺纹螺纹以螺旋脊的形式包括在内。每个螺旋脊的轮廓形状由顶部和两个侧面限定，其限定具有底部的螺旋槽。第一侧面以相对于中心轴线小于第二侧面的第二角度的第一角度相对于工具的中心轴线倾斜。因此，与具有对称轮廓形状的螺纹脊相比，螺纹脊被加强，由此可以对螺纹接头施加比压缩力更大的拉力，同时避免损坏螺纹脊。

8. 发明授权

US06530440B1 Percussive drilling apparatus 失效
标题翻译：冲击钻机
公开(公告)号：US06530440B1
公开(公告)日：2003-03-11
申请号：US09710867
申请日：2000-11-14
申请人： Kenneth Larsson , Rolf Morén
发明人： Kenneth Larsson , Rolf Morén
IPC分类号： E21B1044
CPC分类号： E21B17/0426
摘要： A percussive drill for extension drilling includes a drill bit, a tube having a male screw thread attached to a female screw thread of the drill bit, and a rod having a male screw thread attached to a female screw thread of the tube. Central passages of the rod and tube are aligned with one another to conduct flushing fluid to the drill bit. The drill bit drills a hole whose diameter is from 60-170 mm and at least twice the outer diameter of the rod. A total area of a cross-sectional surface of the tube is within 100-125% of a total area of a cross sectional surface of the rod.
摘要翻译：用于延伸钻孔的冲击钻包括钻头，具有连接到钻头的内螺纹的外螺纹的管和具有连接到管的内螺纹的外螺纹的杆的杆。杆和管的中心通道彼此对准以将冲洗流体传送到钻头。钻头钻一个直径为60-170毫米的孔，至少是杆外径的两倍。管的横截面的总面积在杆的横截面的总面积的100-125％内。

9. 发明授权

US08201606B2 Device for transverse sealing 有权
标题翻译：横向密封装置
公开(公告)号：US08201606B2
公开(公告)日：2012-06-19
申请号：US11920262
申请日：2006-05-31
申请人： Klaus Specht , Salvatore Capasso , Kenneth Larsson
发明人： Klaus Specht , Salvatore Capasso , Kenneth Larsson
IPC分类号： B65B9/06
CPC分类号： B29C65/08 , B29C65/7443 , B29C65/7451 , B29C66/02241 , B29C66/1122 , B29C66/346 , B29C66/4312 , B29C66/72321 , B29C66/72328 , B29C66/72341 , B29C66/72343 , B29C66/73921 , B29C66/81415 , B29C66/81423 , B29C66/81427 , B29C66/81431 , B29C66/83221 , B29L2031/7166 , Y10T156/1313 , B29C65/00
摘要： A device (10) and a method for transverse sealing of a tube (12) of thermoplastic coated packaging material are provided. The tube is formed by sealing of an overlapping joint (14) between two mutually opposing edge sections (26, 28) of a sheet of packaging material. The device comprises first and second opposing jaws (16, 18) having first and second main sealing surfaces (20, 22), respectively. The tube is arranged to be flat-laid and squeezed between these main sealing surfaces to heat the thermoplastic there between and obtain a transverse seal along a main sealing line (24) of the tube. The device is characterized in that it is arranged to penetrate the outer edge section (28) of the overlapping joint along the main sealing line prior to sealing to allow the first main sealing surface (20) to contact the inner edge section (26) of the overlapping joint.
摘要翻译：提供了一种用于横向密封热塑性涂层包装材料的管（12）的装置（10）和方法。管通过密封包装材料片的两个彼此相对的边缘部分（26,28）之间的重叠接头（14）形成。该装置包括分别具有第一和第二主密封表面（20,22）的第一和第二相对的夹爪（16,18）。管被布置成平铺并在这些主密封表面之间挤压，以在其间加热热塑性塑料，并沿着管的主密封线（24）获得横向密封。该装置的特征在于，其被设置成在密封之前沿着主密封线穿透重叠接头的外边缘部分（28），以允许第一主密封表面（20）与内密封部分重叠关节。

10. 发明授权

US07571779B2 Drill rod and method of manufacture thereof 有权
标题翻译：钻杆及其制造方法
公开(公告)号：US07571779B2
公开(公告)日：2009-08-11
申请号：US11087799
申请日：2005-03-24
申请人： Ann-Cathrin Hedlund , Kenneth Larsson
发明人： Ann-Cathrin Hedlund , Kenneth Larsson
IPC分类号： E21B17/04 , B21K5/02
CPC分类号： E21B17/0426
摘要： A drill rod for percussive rock drilling includes a first rod part and an additional second rod part. The first rod part includes first and second ends, an inner duct, and an external thread disposed adjacent the first end, wherein the external thread is at least partly hardened by heat treatment. The additional rod part includes first and second ends, an inner duct, and an internally thread disposed adjacent the first end thereof, wherein the internal thread is at least partly hardened by heat treatment. The first ends of the respective first and second rod parts are threadedly secured to one another, and the second ends of the respective first and second rod parts are welded together to define a weld zone having a substantially martensitic structure. If there is further provided an intermediate hollow rod part, then the second ends of the respective first and second rod parts would be welded to respective ends of the intermediate hollow part to define weld zones having a substantially martensitic structure.
摘要翻译：用于冲击式岩石钻探的钻杆包括第一杆部分和附加的第二杆部分。第一杆部分包括第一和第二端部，内部管道和邻近第一端部设置的外部螺纹，其中外部螺纹通过热处理至少部分地硬化。附加的杆部分包括第一和第二端，内部管道和邻近其第一端设置的内螺纹，其中内螺纹通过热处理至少部分硬化。相应的第一和第二杆部分的第一端彼此螺纹固定，并且相应的第一和第二杆部分的第二端被焊接在一起以限定具有基本马氏体结构的焊接区域。如果进一步设置中间空心杆部分，则相应的第一和第二杆部分的第二端将被焊接到中间中空部分的相应端部以限定具有基本马氏体结构的焊接区域。

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