| 摘要 |
<p>Quick coupling device, in particular for connecting a first joining piece (13) on which is fixed a connecting tube or a duct (11, 12) for the circulation of a cooling fluid of a motor vehicle engine, to a joining piece (21, 50) of a test circuit, of a unit heater or of another member of the vehicle. …<??>The first joining piece (13) carries a perforator with an obstruction (30) consisting of a seal with a diaphragm made from an elastomeric material, such as rubber or the like, with the general shape of a saucer, the free edge of which is shaped in accordance with a retaining ring (33), with an advantageously circular cross-section, integrally moulded with a reinforcement and which can be placed in the said joining piece (13) prior to the filling of the engine with the cooling fluid. …<IMAGE>… </p> |
