| 发明名称 | Pipe arrangement | ||
| 摘要 | A pipe arrangement includes a pipe and a pipe coupling having on a front face a peripheral groove with a groove bottom. The pipe is insertable within the groove and weldable to the pipe coupling. At least one through opening structured and arranged to connect the groove to the surroundings of the pipe coupling. | ||
| 申请公布号 | US9482376(B2) | 申请公布日期 | 2016.11.01 |
| 申请号 | US201113166400 | 申请日期 | 2011.06.22 |
| 申请人 | NORMA GERMANY GMBH | 发明人 | Eckardt Carsten;Hartmann Peter;Strauss Oliver;Foltyn Peter |
| 分类号 | F16L47/02;F16L33/34;B29C65/06;B29C65/00;B29L31/00 | 主分类号 | F16L47/02 |
| 代理机构 | Greenblum & Bernstein, P.L.C. | 代理人 | Greenblum & Bernstein, P.L.C. |
| 主权项 | 1. A pipe arrangement comprising: a pipe; a pipe coupling having on a front face a peripheral groove with a groove bottom, the pipe being inserted within the groove and a weld formed by friction welding is located between the pipe and the groove bottom of the pipe coupling; at least one window structured and arranged to connect the groove to the surroundings of the pipe coupling; and a radially inner wall and a radially outer wall arranged to form the groove, wherein an edge of the at least one window is arranged in a region of the weld between the pipe and the groove bottom of the pipe coupling, the window being sufficiently large to view at least one of the groove, the groove bottom and melted-on material from the weld, such that: the at least one window penetrates the groove bottom at least in part, and the at least one window is formed in one of the walls. | ||
| 地址 | Maintal DE | ||