| 摘要 |
<p>Combination of a tube (t) having an external surface (E) and of a jaw (2) having an internal surface (7a, 7b), said internal surface being in contact with an external surface of said tube when said tube is mounted in said jaw, characterized in that said internal surface (7a, 7b) of each jaw part (2) has a cross section composed of a succession of straight segments (16) or curved segments (17), while said external surface (E) of said tube has a polygonal or circular cross section, said cross section of said tube and said cross section of said parts (4a, 5b) of said first jaw (2) being compatible with one another so as to allow said contact and said clamping between one another.</p> |
