| 摘要 |
PCT No. PCT/FR97/01725 Sec. 371 Date May 21, 1998 Sec. 102(e) Date May 21, 1998 PCT Filed Sep. 30, 1997 PCT Pub. No. WO98/14713 PCT Pub. Date Apr. 9, 1998A receiver comprises an external body (5) having a thrust face (166) and a centring surface (167), and a concentric internal tube (6) with a flange (61) in contact with the thrust face (166), the centring surface (167) being part of a portion (153) of increased thickness which has a shoulder (195) formed by deformation so as to trap and grip, between the latter and the thrust face (166), an intermediate member (95) and the outer periphery of the flange (61).
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