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INJECTION DEVICE AND METHOD
专利权人:
ベクトン・ディキンソン・アンド・カンパニー
发明人:
リオネル ヴェドリーヌ,ローレント バレッリ
申请号:
JP2009213361
公开号:
JP5367516B2
申请日:
2009.09.15
申请国别(地区):
JP
年份:
2013
代理人:
摘要:
A spray device (20) including a barrel (22) having a bypass (30) and at least two spaced stoppers (32, 34) defining a first and second chambers (42, 44) and a spray nozzle (46). Movement of the first stopper (32) drives the second stopper (34) to the bypass (30) and the fluid in the first chamber (42) into the second chamber (44), mixing the fluid and substance. Continued movement of the first and second stoppers (32, 34) drives the mixture through the spray nozzle (46). The spray device (20) may include a third stopper (170) having a body (170) in the tubular barrel (22) which is moved toward the spray nozzle (46). The movement of the third stopper (170) provides space for the mixture and prevents unpressurized fluid from flowing through the spray nozzle (46). The third stopper (170) includes an axial stalk (174). The stalk (174) may be deformable or the stalk (174) may be separate from the body (170) and the spray nozzle (46) includes a longitudinal internal passage (184) which provides communication with the spray port (54).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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