| 摘要 |
1304548 Pipe couplings CHRISTIAN BURKERT BAU ELEKTRISCHER GERATE GmbH 14 April 1970 [25 April 1969] 17753/70 Heading F2G A plug-in connection between a resilient plastic spipe or tube and a base-plate having a bore and a plurality of teeth or a spring element' projecting into each bore, being so shaped as to allow an end of the pipe or tube to beinserted into the bore past the teeth or spring element with deformation of the pipe or tube and the element or teeth, and thereafter to bite into the pipe or tube surface to secure it against withdrawal. The base-plate 1 has 3 teeth, and the spring element has one or two tongues. The pipe 1 is further sealed by a sealing ring 5 clamped on the pipe end and against the base-plate I or a backplate, Figs. 3, 5 (not shown), by a screwed on part 6 with a tapered bore 11 or notches, Fig. 3 (not shown) |
