初夏游张园专利名称:Syringe cartridge 发明人:Ray Urbaniak
申请号:US06/648234端午文案
申请日:19840613
公开号:US04673396A
自我淘汰公开日:
如何做风车19870616
赵丽颖花千骨图片专利内容由知识产权出版社提供
摘要:The invention provides an apparatus which includes a syringe cartridge (10) having its open lower portion clod by a plunger piston (14). The upper portion is clod by a syringe cartridge closure (15) having a leur tip cap (50). Structure is optionally provided interiorly of the tip cap to retain a hollow needle (40), which is held in position by a leur tip (34), the latter being vented and provided with a al for the needle. A displacement dome (38) is provided at the lower portion of the syringe cartridge closure (15) to displace a minor amount of fluid upon closure to al the cartridge, and insure zero head space. The piston plunger (14) at the lower portion of the cartridge can be advanced, desirably by a cond plunger (61), to empty the contents. Upon realing, the leur tip cap (50) is applied over the leur tip (34) after a bead is formed on the tip. The tip cap (50) then penetrates the leur tip (34), or optionally the interior of the hollow needle (40) thus completely reclosing the cartridge and aling the same for storage until intended for further u. Optionally, a metering screw plunger system (85, 90,95,96) may be employed.
无法抹去的记忆申请人:URBANIAK; RAY红楼梦片段
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