Dispenser for the discharge of flowable media

Details Dispenser for the discharge of flowable media Dispenser for the discharge of flowable media

B - Operations, Transporting

67

D

B67D 7/60 (2010.01) B05B 11/00 (2006.01) B65D 25/38 (2006.01) B65D 47/34 (2006.01)

Patent

CA 2425778

A dispenser for flowable media is provided, which operates in user- independent manner with respect to the pressure buildup and dosage quantity. On pressing on an operating head (35) a piston rod (29) is forced into a pump cylinder. As the pump chamber (52) is sealed by means of a delivery valve (51), which operates in path-dependent man- ner as a slide valve, under the action of a spring (42) pressing on the piston collar (43), a pressure builds up in the pump chamber (52), which is released following a predetermined length of travel on opening the de- livery valve. A relatively constant pressure can be obtained over the en- tire discharge phase through the pretension of spring (42).

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