基本信息:
- 专利标题： Method of Making an Undersea Pipe Including Anticorrosion Linings and Welds
- 专利标题（中）：制造含防腐衬层和焊缝的海底管道的方法
- 申请号：US12442272 申请日：2007-09-18
- 公开(公告)号：US20100028085A1 公开(公告)日：2010-02-04
- 发明人： Xavier Rocher
- 申请人： Xavier Rocher
- 优先权： FR0653972 20060927
- 国际申请： PCT/FR07/51955 WO 20070918
- 主分类号： F16L1/12
- IPC分类号： F16L1/12 ; B23P17/04
摘要：
A method of making steel undersea pipes (1) designed to convey corrosive fluids and in particular water, the method comprising the steps consisting in: 1) acting in a workshop on land to assemble together respective ends of at least two unitary pipe elements (2a-2d) by means of carbon-steel first welds (41) so as to form pipe strings (3a, 3b), said first welds being protected by first linings (61); and 2) acting at sea from a laying ship (20) to assemble together respective ends of said strings (3a, 3b) by use of anti-corrosion second welds (42) of stainless steel or of anti-corrosion alloy so as to form a said pipe; each of the ends (31, 32) of said strings being provided with an anti-corrosion cladding (5) of same said stainless steel or of same said corrosion-resistant alloy, which cladding extends over the inside surface made of carbon steel of each said end unitary pipe element over a first length (l1) of at least 4 times the thickness of the wall of the pipe, and preferably in the range 4 times to 20 times said thickness of the wall of the pipe.
摘要（中）：
一种制造设计用于输送腐蚀性流体，特别是水的钢水下管道（1）的方法，所述方法包括以下步骤：1）在陆地车间作用以将至少两个单一管道元件（2a）的相应端部组装在一起 -2d）通过碳钢第一焊缝（41）形成管柱（3a，3b），所述第一焊缝由第一衬里（61）保护; 和2）通过使用不锈钢或抗腐蚀合金的防腐蚀第二焊缝（42），从铺设船（20）在海上作用以将所述绳索（3a，3b）的各个端部组装在一起，以形成 一个管子 所述弦的每个端部（31,32）设置有相同的所述不锈钢或相同的所述耐腐蚀合金的防腐蚀包层（5），所述耐腐蚀合金在每个 所述端部单一管状元件在第一长度（l1）上至少为管壁厚度的4倍，并且优选在管壁的所述厚度的4倍至20倍的范围内。
公开/授权文献:
IPC结构图谱:
| F | 机械工程；照明；加热；武器；爆破 |
| --F16 | 工程元件或部件；为产生和保持机器或设备的有效运行的一般措施；一般绝热 |
| ----F16L | 管接头 |
| ------F16L1/00 | 铺设或回收管子；在水上或水下检修或连接管子 |
| --------F16L1/12 | .在水上或水下铺设或回收管子 |