REYNOLDS, DAVID L.,MCCARTHY, ROGER,MACDONALD, DANIEL
申请号:
CA2725620
公开号:
CA2725620C
申请日:
2009.06.10
申请国别(地区):
CA
年份:
2015
代理人:
摘要:
A device for mixing a substance comprised of twoconstituents contained in a cartridge (12) and having a cartridge holder (32)thereabout, the device comprising a plunger rod (46) for pushing a closuremember (20) to permit the transfer of a diluent in a second chamber (28)through a by-pass channel (24) to mix with a constituent in a first chamber(26), the plunger rod (48) being driven by means of a rack (48) and apinion gear (50) arrangement to prevent overly rapid movement of the plungerrod (46).