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1. 发明专利

JPS6149789A Periphery welding method of clad steel pipe 失效
标题翻译：钢管焊接外围焊接方法
公开(公告)号：JPS6149789A
公开(公告)日：1986-03-11
申请号：JP16944584
申请日：1984-08-15
申请人： Nippon Kokan Kk
发明人： TAIRA TADAAKI , NOMURA HIROICHI , KITADA TOYOFUMI , HIRABAYASHI KIYOTERU
IPC分类号： B23K9/23 , B23K20/00 , B23K31/02 , F16L13/02
CPC分类号： F16L13/0263 , B23K31/027
摘要： PURPOSE:To prevent a base metal component in a weld metal and in a clad steel pipe from being diluted, by joining a solid short pipe of the same component compound as a cladding material to the clad steel pipe by means of frictional welding, etc. CONSTITUTION:A solid short pipe 1 having the same component compound as a cladding material 10a is joined by frictional welding 2, and subsequently, groove work is performed for a pipe end part of the solid short pipe 1. Clad steel pipes 10, 10 prepared in said way are butted, and the periphery is welded by a welding material 4 of a co-metal with the short pipe 1. In this way, a carbon steel base metal 10b is not diluted in the weld metal 4, and the component of the solid short pipe 1 is scarcely varied, therefore, the corrosion resistance and other characteristics are not deteriorated.
摘要翻译：目的：为了防止焊接金属和复合钢管中的贱金属部件被稀释，通过摩擦焊接将包覆材料相同组分化合物的固体短管连接到复合钢管上。构成：具有与包层材料10a相同的组分化合物的固体短管1通过摩擦焊接2接合，随后对固体短管1的管端部进行槽加工。制备的钢管10,10 以这种方式对接，并且周边通过与短管1的共金属的焊接材料4焊接。这样，碳钢母材10b不会在焊接金属4中稀释，并且组分固体短管1几乎不变化，因此耐腐蚀性等特性不劣化。

2. 发明专利

JP3547789B2 Coupling pipe assembly having a tapered been inner sleeve 失效
公开(公告)号：JP3547789B2
公开(公告)日：2004-07-28
申请号：JP7636694
申请日：1994-03-24
申请人：タボスコープヴェトゥコインターナショナルインコーポレイテッドTuboscope Vetco International,Inc.
发明人：ディー．アベンマウイリアム
IPC分类号： F16L13/02 , F16L21/02 , F16L58/18
CPC分类号： F16L13/0263

3. 发明专利

KR102232496B1 KR102232496B1 - Long life painted pipe with long life and method for coating painted pipe connection part 有权
公开(公告)号：KR102232496B1
公开(公告)日：2021-03-26
申请号：KR1020200035427A
申请日：2020-03-24
申请人： 주식회사 강물
发明人： 강대흥 , 유현정 , 송지원 , 유동균 , 최우태
IPC分类号： F16L58/02 , B05D3/12 , B05D7/00 , B05D7/22 , C09D7/40 , C09D163/00 , F16L9/02 , F16L13/02 , F16L58/18
CPC分类号： F16L58/02 , B05D3/12 , B05D7/222 , B05D7/56 , C09D163/00 , C09D7/40 , F16L13/0263 , F16L58/181 , F16L9/02
摘要： 본 발명은 2개의 관이 맞대기로 접촉되는 부위의 연결 및 도장에 대한 발명이며, 장수명의 수명을 확보하기 위한 것이며, 구체적으로 균일단면이며, 양단 개구가 형성된 관(10); 상기 관의 내주연 중심부에 내부도장층(110)이 도포되는 제1도장부(100); 상기 관의 내주연 양단면에 위치하며, 도장이 존재하지 않는 제2도장부(200);를 포함하는 구성으로 이루어진다.

4. 发明专利

JPS5762894A Delivery device in pipeline 失效
标题翻译：管道输送装置
公开(公告)号：JPS5762894A
公开(公告)日：1982-04-16
申请号：JP11998681
申请日：1981-07-30
申请人： Raychem Corp
发明人： ROORENSU YOSEFU HOWAITO
IPC分类号： B23K31/00 , F16L13/02
CPC分类号： F16L13/0263 , Y10T29/5383 , Y10T29/53961

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