| 摘要 |
The present invention relates to a sleeve (1) for the fixing of a pump (2) to a bottle with a neck (3) enlarged at the mouthpiece (4). The upper part (1a) of the sleeve (1) has tubular elements: one external tubular element (10) for receiving a metallic covering (5) and an internal tubular element (11) for receiving and restraining the pump (2), and a base transversal element (12) resting on the mouthpiece (4), between said base transversal element (12) and mouthpiece (4) being interposed an annular gasket (6). The lower tubular part (1b) of the sleeve is to be inserted onto the mouthpiece (4) and is held in place in its undercut (4a) by means of rounded projecting parts (16) shown internally by the part (1b). Said lower tubular part (1b) is provided with a plurality of facings (15) which are obtained externally on said part (1b). The part (1b) has externally a plurality of step projections (20) between the facings (15). <IMAGE> |
