Manually controlled metering pump for bottles with deformable sheaths

摘要

PCT No. PCT/FR95/01470 Sec. 371 Date May 29, 1997 Sec. 102(e) Date May 29, 1997 PCT Filed Nov. 8, 1995 PCT Pub. No. WO96/15045 PCT Pub. Date May 23, 1996A manually operated metering pump for a container with a flexible body, comprising a metering chamber (20) between a lower valve (21) and an upper valve (48), a spring-biased push button (34), and a nozzle communicating with the metering chamber (20) via a central channel. The lower valve (21) is flexible and frusto-conical, and the upper valve (48) is supported on a disc (47) forming the base of a hollow rod (43) secured to the push button (34), and engages the bottom of a hollow plunger (32) operated via a push button (34).