Spring-Powered dispensing device
作者： Terence Edward Weston
DOI:
关键词: Recoil 、 Mechanical engineering 、 Injector 、 Viscous damping 、 Piston 、 Engineering 、 Spring (device)
摘要: A device is described for dispensing a material or article, comprising member which moves under the force of spring providing an energy store. damping arrangement employing viscous medium such as grease used to damp recoil during dispensing. In particular, shown applied needleless injector operating by impact on piston.
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