| 摘要 |
A two-part elbow connecting piece is provided, in the case of which the one part has a blind hole which intersects a through-hole, and the through-hole is bounded by a concave annular groove. Arranged symmetrically with respect to the annular groove are two O-rings, over which the second elbow piece is pushed, which has a hole pointing towards the annular groove. <IMAGE>
|
