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1. 发明专利

JP2005207456A Active pipe branching joint having cutting scrap removing function 审中-公开
标题翻译：活动管道分支接头切割刮刀去除功能
公开(公告)号：JP2005207456A
公开(公告)日：2005-08-04
申请号：JP2004012609
申请日：2004-01-21
申请人： Hokuriku Gas Co Ltd , Japan Gas Association , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Narashino City , Ootaki Gas Kk , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 社団法人日本ガス協会 , 習志野市
发明人： SAITO DAISUKE , TERUNUMA SUNAO , TSURUI HIROSHI , NAKAMURA ATSUSHI , MIDORIKAWA AKIO , MURATA HIDEKIYO , OGAWA MASAO , OIKAWA SEIICHI , MINAMIDE YOSHIAKI , KISHIMOTO YUJI
IPC分类号： F16L41/06 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To provide an active pipe branching joint capable of preventing a resilience keeping ring from slipping off into the joint by structuring so that a missing part of the resilience keeping ring precludes touching with a cutting scrap receptacle tray at the time of pulling up and by installing a new stopper plate to prevent the resilience keeping ring from slipping off from a groove. SOLUTION: The resilience keeping ring 52 has recessed parts 52d and 52e at the inner surfaces of the mutually confronting ends 52b and 52c in the missing part 52a. The stopper plate 60 is installed in the recessed parts 52d and 52e in such a way as covering the missing part 52a and is coupled rigidly with the tip of a set screw 61 screwed into one part of the circumferential wall 11b of a boring operation hole 14. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够防止弹性保持环通过结构滑动到接头中的有源管分支接头，使得弹性保持环的缺失部分阻止与切割废料容器托盘接触拉起和安装新的止动板以防止弹性保持环从凹槽中滑落的时间。解决方案：弹性保持环52在缺失部分52a中相互面对的端部52b和52c的内表面具有凹部52d和52e。止动板60以覆盖缺损部52a的方式安装在凹部52d和52e中，并且刚性地与拧入钻孔操作孔14的周壁11b的一部分的定位螺钉61的前端连接（C）2005，JPO＆NCIPI

2. 发明专利

JP2003336783A Joint for active pipe branch having chip taking-out function 有权
标题翻译：具有切片功能的主动管支架接头
公开(公告)号：JP2003336783A
公开(公告)日：2003-11-28
申请号：JP2002143426
申请日：2002-05-17
申请人： Hokuriku Gas Co Ltd , Japan Gas Association , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Ootaki Gas Kk , Osaka Gas Co Ltd , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 大阪瓦斯株式会社 , 社団法人日本ガス協会
发明人： SAITO DAISUKE , KAWAMURA TAKEAKI , TSURUI HIROSHI , MIDORIKAWA AKIO , MURATA HIDEKIYO , SHINDO TAKUYA , BESSHO KATSUHIKO , MINAMIDE YOSHIAKI , MIYATA MASATO
IPC分类号： B23B41/08 , B23B47/34 , F16L41/02 , F16L41/06 , F16L41/08
摘要： PROBLEM TO BE SOLVED: To improve assurance and reliability of decision on an inspection result of airtightness of a main plug to close a boring control port after take-out of chips, in a joint for active pipe branch wherein chips are stored in a chip tray after boring of an original pipe by a hole saw, and then taken out. SOLUTION: A pair of first and second division joints 4 and 5 are conjugated with a part in an axial direction of an original pipe 1 and a branch pipe 2 is connected to a branch pipe connection port 13 of the second division joint 5. The chip tray 15 in which chips 42 generated due to boring 40 by the hole saw are stored is lifted until it is fitted in the internal part of a seal ring 21 and a boring control port 14 is temporarily closed in an airtight state. When, after the chips 42 are recovered under an airtight state, an original plug 45 is fastened against the boring control port 14, the chip tray 15 in a seal ring 21 is pressed down to a position above an elastic ring 52 by a tray pressing down member 56. Thus, airtightness by the chip tray 15 through fastening effected by the original plug 45 is reliably released and decision on a result of original airtightness inspection of the original plug 45 is reliably made. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提高在芯片取出后关闭主插头的气密性的检查结果的决定的保证和可靠性，在用于存储芯片的主动管分支的接头中一个芯片托盘通过孔锯镗一根原始管后，然后取出。解决方案：一对第一和第二分割接头4和5与原管1的轴向部分共轭，分支管2连接到第二分割接头5的分支管连接口13 储存通过孔锯镗孔40产生的芯片42的芯片托架15被提升直到其被装配在密封环21的内部，并且镗孔控制口14在气密状态下暂时关闭。当在密封状态下回收芯片42之后，将原始插头45紧固在钻孔控制口14上时，密封环21中的芯片托盘15通过托盘按压被压下到弹性环52上方的位置因此，通过由原始插头45进行的固定由芯片托盘15的气密被可靠地释放，并且可靠地确定对原始插头45的原始气密性检查的结果。版权所有（C）2004，JPO

3. 发明专利

JP2003336782A Joint for active pipe branch 有权
标题翻译：主动管连接接头
公开(公告)号：JP2003336782A
公开(公告)日：2003-11-28
申请号：JP2002143403
申请日：2002-05-17
申请人： Hokuriku Gas Co Ltd , Japan Gas Association , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Ootaki Gas Kk , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 社団法人日本ガス協会
发明人： SAITO DAISUKE , KAWAMURA TAKEAKI , TSURUI HIROSHI , MIDORIKAWA AKIO , MURATA HIDEKIYO , MINAMIDE YOSHIAKI , MIYATA MASATO
IPC分类号： B23B41/04 , B23B41/08 , F16L41/02 , F16L41/06 , F16L41/08
摘要： PROBLEM TO BE SOLVED: To prevent a chip tray from being displaced from a given position at the inner bottom part of a second division joint also when branching take-out is effected by obliquely assembling a joint for active pipe branch since a distance between an original pipe and other buried pipe is narrow, and to suitably realize take-out of chips even in case of branch take-out at oblique piping, in a joint for active pipe branch wherein chips are stored in a chip tray after boring of the original pipe by a hole saw, and then taken out. SOLUTION: A pair of first and second division joints 4 ad 5 are conjugated with a part in an axial direction of the original pipe 1 and a branch pipe 2 is connected to a branch pipe connection port 13 of the second division joint 5. A hole saw 26 is set at a boring control port 14 of the second division joint 5. Chips 42 generated by boring are stored in a chip tray 15 situated in a recessed part 46 of the inner bottom of the second division joint 5. The chip tray 15 is held in a fit-in state in the recessed part 46 with a shrinkable and deformable elastic ring 47 situated in a size-reduced state on the inner periphery of the upper end part of the opening of the recessed part 46, and lifting of the chip tray 15 from the recessed part 46 in a diameter expandable state is allowed. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了防止芯片托盘在第二分割接头的内底部处从给定位置移位，当分支取出是通过倾斜组装用于主动管分支的接头而实现的，因为距离在原管和其他埋管之间的狭窄，即使在倾斜管道的分支取出的情况下，也可适当地实现芯片的取出，在用于主动管分支的接头中，其中芯片在钻孔后存储在芯片托盘中原来的管子被一个孔锯，然后取出。解决方案：一对第一和第二分割接头4和5与原管1的轴向部分共轭，分支管2连接到第二分割接头5的分支管连接口13 孔眼26设置在第二分割接头5的钻孔控制口14处。通过钻孔产生的芯片42被存储在位于第二分割接头5的内底部的凹部46中的切屑盘15中。芯片托盘15通过在凹部46的开口的上端部的内周面处于缩小状态的可收缩且可变形的弹性环47在凹部46中保持嵌合状态，允许将芯片托盘15从直径可膨胀状态的凹部46提起。版权所有（C）2004，JPO

4. 发明专利

JP2009127855A Live pipe branch blockade method of construction and branch joint 审中-公开
标题翻译：实际管道分支机构构造和分支接头方法
公开(公告)号：JP2009127855A
公开(公告)日：2009-06-11
申请号：JP2007307378
申请日：2007-11-28
申请人： Bushu Gas Co Ltd , Hokuriku Gas Co Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Kiryu Gas Kk , Narashino City , Otaki Gas Kk , Shinwa Sangyo Co Ltd , Tobu Gas Kk , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 新和産業株式会社 , 東部瓦斯株式会社 , 桐生瓦斯株式会社 , 武州瓦斯株式会社 , 習志野市
发明人： TERUNUMA SUNAO , YOSHINARI KAZUO , SHIBATA SEIKI , OGIWARA MINORU , TANENOBU YU , MURATA HIDEKIYO , SHIMAMURA MAKOTO , NANBA ATSUSHI , OIKAWA SEIICHI , HIRABAYASHI HIDEO , SONE MIYO , KISHIMOTO YUJI
IPC分类号： F16L41/06
摘要： PROBLEM TO BE SOLVED: To enable to carry out construction work which makes line change of a part of an existing pipe while leaving the gas running, without using a by-pass line tube, moreover, after eccentricity boring of the existing pipe, cutting scrap can be accumulated and taken out on a cutting scrap saucer, and moreover, interposition working of bag type sealing component is made to be made in core of the existing pipe.
SOLUTION: A part of the peripheral wall of the existing pipe 21 part is excised with a mounting girder piercing machine to branch joints 22 and 23 on the existing pipe 21. Eccentricity boring is formed and communication of the existing pipe 21 and the branch pipe 50 is carried out. A non-blowing bag is attached in boring operation opening 34, inner dish of cutting scrap saucer is demounted, and unbounded opening is opened. To a position on the downstream side of branch joint 22 and a position on upstream side of branch joint 23 respectively in core of the existing pipe 21, sealing components 75 are inserted being passed in order of a boring operation opening 34, the above unbounded opening, and eccentricity boring. In such a state as being sealed by sealing components 75, cutting elimination of the member within a couple of sealing components 75 and 75 in the existing pipe 21 is carried out.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了能够在不使用旁路管线的情况下进行使现有管道的一部分的管线更换而不使用旁通管线的施工作业，在现有管道的偏心钻孔之后可以在切割废料碟上积聚切出的废料，并且在现有管的芯部进行袋型密封部件的中间加工。
解决方案：现有管道21的周壁的一部分用安装梁穿孔机切除到现有管道21上的分支接头22和23上。形成偏心钻孔，并将现有管道21和分支管50被执行。将无吹风袋安装在钻孔操作开口34中，拆卸切割废料碟的内盘，打开无界开口。在分支接头22的下游侧的位置和分支接头23的分支接头23的上游侧的位置分别在现有管21的芯部中，密封部件75按照钻孔操作开口34的顺序插入，上述无界开口，偏心无聊。在通过密封部件75密封的状态下，进行在现有管21内的一对密封部件75和75内的部件的切除。版权所有（C）2009，JPO＆INPIT

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