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1. 发明专利

JP2006124870A Protection sheet for underground pipe 审中-公开
标题翻译：地下管道保护表
公开(公告)号：JP2006124870A
公开(公告)日：2006-05-18
申请号：JP2004314902
申请日：2004-10-29
申请人： Japan Gas Association , Jfe Engineering Kk , Jfeエンジニアリング株式会社 , Keiyo Gas Kk , Mitsugiron Kogyo Kk , Ootaki Gas Kk , Osaka Gas Co Ltd , Shinwa Sangyo Co Ltd , ミツギロン工業株式会社 , 京葉瓦斯株式会社 , 大多喜ガス株式会社 , 大阪瓦斯株式会社 , 新和産業株式会社 , 社団法人日本ガス協会
发明人： KAWAMURA TAKEAKI , YAMAZAKI KATSUMI , KUKIDA SHINPEI , TERUNUMA SUNAO , MIDORIKAWA AKIO , YAMAZOE NAOTO , ENOHORI YOSHIHIKO , HATANAKA SHOZO , MORIMOTO SHIGEO , SONE MIYO
IPC分类号： D03D15/02 , D03D1/00 , D03D15/00
摘要： PROBLEM TO BE SOLVED: To provide a protection sheet for underground pipe securing sufficient strength by a single sheet and easy to produce and reducing the cost for manufacturing.
SOLUTION: The invention relates to the protection sheet 1 for covering peripheral of the underground pipe or upward part of the pipe through covering soil, comprising a double-folded longitudinal resin band 2 obtained by forming and drawing a synthetic resin, a single ply transversal resin band 3 obtained by forming and drawing a synthetic resin. The protection sheet is obtained by alternately weaving the longitudinal resin band 2 and the transversal resin band 3 into a band like sheet, and the sheet has enhanced strength by double folding the resin band and is set to have flexibility in transverse direction.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于地下管道的保护片，其通过单张片确保足够的强度，并且易于制造并降低制造成本。解决方案：本发明涉及用于通过覆盖土壤覆盖地下管道或管道向上部分的保护片1，包括通过形成和拉制合成树脂获得的双折叠纵向树脂带2，单个通过形成和拉伸合成树脂获得的层叠横向树脂带3。通过将纵向树脂带2和横向树脂带3交替地编织成带状片而获得保护片，并且通过双重折叠树脂带而使片材具有提高的强度，并且被设置为在横向具有柔性。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2005024012A Marker protective sheet 审中-公开
标题翻译：标记保护表
公开(公告)号：JP2005024012A
公开(公告)日：2005-01-27
申请号：JP2003190727
申请日：2003-07-02
申请人： Keiyo Gas Kk , 京葉瓦斯株式会社
发明人： YAMAZAKI KATSUMI , KAWAMURA TAKEAKI , TERUNUMA SUNAO
IPC分类号： F16L57/00 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To provide a marker protective sheet having the function as the marker sheet and capable of protecting a buried pipe against a blow from an excavating/drilling attachment of an excavating machine or a drilling machine. SOLUTION: A marker protective sheet embedded underground above a buried pipe comprises a flexible metal core, and a cover sheet having a marker indication unit and integrally fixed so as to cover at least the face side of the core. Therefore, the core of the marker protective sheet installed in a strip shape is deflected but not torn even when a blow is applied manually or by an excavation machine, and the buried pipe can be protected only by the marker protective sheet even under the blow. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有作为标记片的功能的标记保护片，并且能够保护埋设管免受挖掘机或钻孔机的挖掘/钻孔附件的打击。埋藏管埋在地下的标记保护片包括柔性金属芯和具有标记指示单元并且整体地固定以至少覆盖芯的表面侧的覆盖片。因此，即使在手动或挖掘机上施加吹风的情况下，安装成条状的标记保护片的芯部也被偏转，也不会被撕裂，即使在打击下，埋管也可以被标记保护片保护。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2001317090A PIPING CONSTRUCTION AND U-TURN PIECE 失效
公开(公告)号：JP2001317090A
公开(公告)日：2001-11-16
申请号：JP2000137531
申请日：2000-05-10
申请人： HITACHI METALS LTD , KEIYO GAS KK
发明人： YAMAZAKI KATSUMI , HANIYU HIROSHI , ONO AKIRA , MIZUTANI SHIGERU , NANBA TOSHIHIRO
IPC分类号： E03B7/00 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To provide a piping construction and a U-turn piece used for the piping construction for which the excavation of main and branch pipe portion under road is completed in the first work, and work for replacing the existing inner pipe with a new inner pipe when any particular circumustances inside a house lot have been solved, can be carried out without excavating the road outside the house lot by using the piping construction and the U-turn piece therefor. SOLUTION: When connecting the main and branch pipes embedded below a road or the like outside the house lot to an existing inner pipe laid inside the house lot, a U-turn piece is formed with which the fluid from the main and branch pipes is once extended to the inside of the house lot and then makes a U-turn and returns to the road excavated portion, and it is connected to the existing inner pipe in the excavated portion in the road in this piping construction. Also, a small-diameter distribution pipe 11 is inserted to a large-diameter communication pipe 12 and a run-off outlet 16 is formed at the outer surface of the communication pipe, the fluid inside the distribution pipe 11 connected to the main and branch pipes is supplied in such a manner that the outer surface is U-turned from the end portion of the distribution pipe inside the communication pipe 12 and the communication piping is formed from the run-off outlet 16 provided in the communication pipe to the destination of the supply. In another example, there is a construction in which two resin pipes 35 and 36 are connected to a U-turn shape. When any obstacle 21 on the embedded inner pipe 31 inside the house lot has been removed, a portion piped to the inside of house lot is cut off and a new inner pipe 12 is connected and the inside of the house lot can be replaced with a new inner pipe.

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