| 摘要 |
A bushing for the connection of two tubular elements (2, 3) has an outer coupling (5) and an inner sleeve (6), which is axially locked inside the outer coupling (5), is provided with a plurality of annular teeth (14) projecting towards the inside of the bushing relative to a lateral wall (13) of the inner sleeve (6), and also has a plurality of annular recesses (16), which are obtained at an outer surface (17) of the lateral wall (13). |
