基本信息:
- 专利标题： 管形件
- 专利标题（英）：A tubular article
- 申请号：CN200980108241.5 申请日：2009-01-07
- 公开(公告)号：CN101981363A 公开(公告)日：2011-02-23
- 发明人： J·P·布斯
- 申请人： ITI苏格兰有限公司
- 申请人地址： 英国斯特拉斯克莱德
- 专利权人： ITI苏格兰有限公司
- 当前专利权人： ITI苏格兰有限公司
- 当前专利权人地址： 英国斯特拉斯克莱德
- 代理机构： 北京泛华伟业知识产权代理有限公司
- 代理人： 蔡民军; 胡强
- 优先权： 0800256.0 2008.01.08 GB
- 国际申请： PCT/GB2009/050008 2009.01.07
- 国际公布： WO2009/087415 EN 2009.07.16
- 进入国家日期： 2010-09-08
- 主分类号： F16L9/04
- IPC分类号： F16L9/04 ; F16L9/16 ; B21C37/12 ; B29C53/78
The present invention provides a strip (10) and a tubular article (74) formed form said strip (10) which may, for example, be used in the oil and gas industry for transporting fluids which may be volatile fluids or corrosive fluids and which may be at elevated temperatures and / or pressure. The strip (10) includes a plurality of combined step (joggle) and rib arrangements In the finished assembled article, the strip (10) is wound in helically self-overlapping relationship such as to allow corresponding step portions to sit one within the other. The step effectively provides the dual function of a joggle and a rib as known in the art and does so in a manner that reduces the forming stresses in the material and increases the strength of the final article.