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专利名称：Spray gun for dispensing specific quantities发明人：Bayer, Michael, Ing. grad.,Sachs, Hermann,
Dr.
申请号：EP83101925申请日：19830228公开号：EP00828A3公开日：19841205
摘要：The metering pistol is based on a manually actuated positive-displacementpump having a cylindrical housing (1), a product space (2) and a thrust rod (3) with thehandle (5). By pulling on the handle (5), the amount of liquid located in the product space(2) is displaced and emerges forwards through the central bore (19) in the thrust rod (3).The product space (2) is sealed with respect to the housing (1) by means of a funnel-shaped rubber diaphragm (10) which can resist medicines and solvents. Non-return valves(22, 20) are arranged at the input and output of the product space. The seal of theproduct space (2) ensures, by means of the funnel-shaped diaphragm (10), that themetering pump is absolutely tight so that no liquid can emerge outwards. In addition, along lifetime is ensured by means of this design.
申请人：BAYER AG
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