| 摘要 |
PCT No. PCT/EP96/03849 Sec. 371 Date Sep. 18, 1998 Sec. 102(e) Date Sep. 18, 1998 PCT Filed Sep. 3, 1996 PCT Pub. No. WO97/09082 PCT Pub. Date Mar. 13, 1997A device (2) for pre-dosing a powder for a dispenser that includes an expulsion channel (12), the device being characterized in that it comprises at least one hermetically closed reservoir (4) each containing a dose of powder that is to be expelled on each actuation of the dispenser, said dispenser including a transfer device (16, 17) designed to transfer an entire dose of powder from one of said at least one reservoir (4) towards said expulsion channel (12) on each actuation of the dispenser, said transfer device (16, 17), when actuated, exerting pressure on a portion of a reservoir (4), each reservoir (4) including a closure wall (6) adapted to open totally and in predetermined manner towards the outside of the reservoir under the effect of the pressure created by actuating said transfer device (16, 17). A transfer element such as an insert (1) may optionally be placed in each reservoir (4). |
