| 摘要 |
<p>Inductive element (3) for welding a plastic part (6) onto the end of a tubular hollow body (7), consisting of at least one metal layer that can be inductively heated and at least one thermoplastic resin layer, said inductive element (3) including an orifice (4) of non-circular curvilinear shape, the outline of which is defined by a succession of circular arcs of radius R1 and R2, characterized in that the distance between the edge (5) of the orifice (4) and the external edge (9) of the inductive element (3) is variable. The invention also relates to a welding device using the aforementioned element.</p> |
