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1. 发明授权

US5484174A Pipe coupling and method of joining materials 失效
标题翻译：管接头和连接材料的方法
公开(公告)号：US5484174A
公开(公告)日：1996-01-16
申请号：US465208
申请日：1994-06-03
申请人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyokazu Iwama , Kiyoshi Yamada
发明人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyokazu Iwama , Kiyoshi Yamada
IPC分类号： B21D39/04 , F16L13/14 , F16L13/16
CPC分类号： F16L13/142 , B21D39/046 , F16L13/161 , Y10T29/49913
摘要： Pipe fittings for joining piping materials have a main body with a substantially equal diameter to that of the piping materials to be joined, an annular expanded portion formed at least at one end portion thereof and enlarged diameter portions on each side of the annular expanded portion. The piping materials are joined by inserting them into the pipe fittings and by pressing the outer enlarged diameter portion along the circumference at an end portion thereof to subject the enlarged diameter portion and the piping materials to plastic deformation. By virtue of recesses formed at the pressed portions, the pipe fittings and the piping materials are firmly fixed together. A tapered portion provided at the end of the pipe fittings effectively increases the slip-off checking force, and also the Joint can be perfectly sealed by the sealing material received in the internal space of the annular expanded portion, having been deformed by the application of pressing. Crevice corrosion can completely be prevented since an adequate clearance is defined between the non-pressed enlarged diameter portion and the piping materials inserted into the pipe fittings.
摘要翻译： PCT No.PCT / JP89 / 00667 Sec。 371日期：1994年6月3日 102（e）日期1994年6月3日PCT提交1989年7月3日PCT公布。出版物WO90 / 00697 日期：1990年1月25日。用于接合管道材料的管道配件具有与要接合的管道材料的直径基本相等的直径的主体，至少在其一个端部形成的环形扩展部分和每个侧。管道材料通过将其插入管接头中并通过沿着其外端部的圆周挤压外部扩大部分而接合，以使扩径部分和管道材料塑性变形。由于在压制部形成的凹部，管接头和管道材料牢固地固定在一起。设置在管接头端部的锥形部分有效地增加了脱落检查力，并且接头可以被容纳在环形膨胀部分的内部空间中的密封材料完美地密封，该密封材料已经通过应用紧迫。在未被压缩的扩大直径部分和插入管件中的管道材料之间限定了足够的间隙，可以完全防止缝隙腐蚀。

2. 发明授权

US4880260A Method of joining pipes 失效
标题翻译：连接管道的方法
公开(公告)号：US4880260A
公开(公告)日：1989-11-14
申请号：US140170
申请日：1987-12-31
申请人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyoshi Yamada
发明人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyoshi Yamada
IPC分类号： B21D39/04 , F16L13/16
CPC分类号： F16L13/165 , B21D39/04 , Y10T29/49929 , Y10T29/49936
摘要： A method of joining a pair of pipes is disclosed. The method includes forming one of the pipes with an enlarged diameter near one end thereof. A radially-outwardly flared section widens from the enlarged diameter toward the end of the pipe. An elastic gasket and a C-shaped rigid ring are placed in the flared section. A second pipe is then inserted inside the enlarged section of the first pipe. The outer pipe is then inwardly deformed by the action of a pressure member, such as the die, applied to the exterior of the outer pipe in the region of the pipe overlap. The free end of the outer pipe deforms plastically inwardly toward the inserted pipe thereby compressing the gasket into sealing engagement between the two pipes and compressing the C-shaped ring. As the C-shaped ring is compressed, the outer pipe is deformed into the inserted pipe so that the ring is engaged by the inner wall of the outer pipe and is wedged into the outer wall of the inserted pipe.
摘要翻译：公开了一种连接一对管道的方法。该方法包括在其一端附近形成具有增大直径的管之一。径向向外扩张的部分从扩大的直径朝向管的端部变宽。弹性垫圈和C形刚性环放置在扩口部分。然后将第二管插入第一管的扩大部分内。然后外管通过在管道重叠的区域中施加到外管外部的压力构件（例如模具）的作用而向内变形。外管的自由端朝向插入的管道塑性变形，从而将垫圈压缩成两个管道之间的密封接合并压缩C形环。当C形环被压缩时，外管变形成插入管，使得环与外管的内壁接合并楔入插入管的外壁。

3. 发明授权

US4850096A Method of joining pipes 失效
标题翻译：连接管道的方法
公开(公告)号：US4850096A
公开(公告)日：1989-07-25
申请号：US165778
申请日：1988-03-09
申请人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyoshi Yamada
发明人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyoshi Yamada
IPC分类号： B21D39/04 , F16L13/16
CPC分类号： F16L13/165 , B21D39/04 , Y10T29/49913 , Y10T29/49934
摘要： A method of joining first and second piping materials with a C ring. The C ring has a sharp annular rim along the internal peripheral surface thereof on the pipe end side, and the C ring also has a cross-section such that a first cornered edge formed along the internal peripheral surface of the C ring on the annular gasket side and a second cornered edge formed along the external peripheral surface of the C ring on the pipe end side each define an acute angle. An end portion of the second piping material is inserted into the socket and into the C ring. The piping material are held by means of a pair of clamping jaws each having a tapered plane of clamping action opposing each other, and the jaws are then moved closer to each other along the axis of the pipes, respectively, for pressurizing the piping materials to effect plastic deformation of at least the maximum diameter portion at the end of the first piping material to deform the gasket and clamp the piping materials together.
摘要翻译：一种用C环连接第一和第二管道材料的方法。 C环在管端侧具有沿着其内周面的尖锐的环形边缘，并且C环还具有横截面，使得沿着环形垫圈上的C环的内周面形成的第一拐角边缘沿着管端侧的C环的外周面形成的侧面和第二倾斜边缘各自限定锐角。第二管道材料的端部插入插座并进入C环。管道材料通过一对夹爪保持，每个夹爪具有彼此相对的夹紧作用的锥形平面，并且夹爪分别沿着管的轴线彼此靠近地移动，以将管道材料加压到至少在第一管道材料的端部处的最大直径部分产生塑性变形，以使垫片变形并将管道材料夹紧在一起。

4. 发明授权

US4956904A Device for joining piping materials 失效
标题翻译：用于连接管道材料的装置
公开(公告)号：US4956904A
公开(公告)日：1990-09-18
申请号：US397461
申请日：1989-08-15
申请人： Hidetoshi Yamamoto , Taiji Gotoh , Yoshinori Katoh
发明人： Hidetoshi Yamamoto , Taiji Gotoh , Yoshinori Katoh
IPC分类号： B21D39/04 , F16L35/00
CPC分类号： B21D39/046 , Y10T29/5367
摘要： This invention relates to a device for joining piping materials such as a piping material and a pipe coupling.The piping materials are joined together by inserting one end of a piping material into a pipe coupling having a tapered and expanded diameter portion, and by causing the joint of these piping materials where they are overlapped with each other to be plastically deformed with a pair of processing dies which are movable in a direction parallel to the axis of the piping materials.The half-die members can be kept in parallel to each other when they are moved closer to each other, thereby to provide uniform and rigid junction therebetween.
摘要翻译： PCT No.PCT / JP88 / 01226 Sec。 371日期1989年8月15日 102（e）日期1989年8月15日PCT提交1988年12月5日PCT公布。出版物WO89 / 06168 日期：1989年7月13日。本发明涉及一种用于连接诸如管道材料和管接头之类的管道材料的装置。管道材料通过将管道材料的一端插入到具有锥形和扩径部分的管接头中而连接在一起，并且通过使这些管道材料彼此重叠的接头由一对可以在与管道材料的轴线平行的方向上移动的加工模具。当半模构件彼此靠近移动时可以保持彼此平行，从而在它们之间提供均匀且刚性的连接。

5. 发明授权

US5025546A Method of joining pipes 失效
标题翻译：连接管道的方法
公开(公告)号：US5025546A
公开(公告)日：1991-06-25
申请号：US462997
申请日：1990-01-08
申请人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyoshi Yamada
发明人： Taiji Gotoh , Hidetoshi Yamamoto , Kiyoshi Yamada
IPC分类号： B21D39/04 , F16L13/16
CPC分类号： F16L13/161 , B21D39/04 , F16L13/142 , Y10T29/49913 , Y10T29/49929
摘要： Disclosed is a method of joining piping materials which comprises, forming at an end portion of one piping material to be joined a socket composed of a tapered portion which is diametrally enlarged gradually toward the pipe end and a maximum diameter portion extending from the tapered portion with the maximum diameter thereof, then fitting an intermediary inserting member along the internal peripheral surface of the tapered portion in the socket to be in intimate contact therewith and thereafter inserting an end portion of the other piping material thereto, further pressurizing the external peripheral of the socket with two clamping members having a lateral cross-sectional shape with the center position as the deepest portion and tapered planes of clamping action on both sides thereof in the radial direction, thereby effecting plastic deformation of the maximum diameter portion in the diameter shrinking direction. Also disclosed is a joining tool, provided with: two clamping members each having a lateral cross-sectional shape with its center position as the deepest portion, and each having tapered planes of clamping action on both sides thereof at the tip end side and an actuating lever at the base end; a connecting plate supporting the both clamping members with the tapered planes of clamping action opposed to each other freely expandably and shrinkably with rotational axes; and a pushing rod to be pressurized into between the actuating levers of the both clamping members.
摘要翻译：公开了一种连接管道材料的方法，该方法包括：在要连接的一个管道材料的端部处形成一个插座，该插座由逐渐朝向管端逐渐扩大的锥形部分和从锥形部分延伸的最大直径部分组成，其最大直径，然后沿着插座中的锥形部分的内周面安装中间插入构件以与其紧密接触，然后将其它管道材料的端部插入其中，进一步加压插座的外部周边具有两个夹紧构件，其横向横截面形状具有中心位置作为最深部分，并且在径向两侧具有夹紧作用的锥形平面，从而在直径收缩方向上实现最大直径部分的塑性变形。还公开了一种接合工具，其具有：两个夹紧构件，每个夹紧构件具有其中心位置作为最深部分的横向横截面形状，并且每个具有在前端侧的两侧的夹紧作用的锥形平面和致动杠杆在基端; 支撑两个夹紧构件的连接板，其中夹紧动作的锥形平面彼此相对地相对于旋转轴自由地可膨胀和收缩; 并且推杆被加压到两个夹紧构件的致动杆之间。

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