B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/9.9
B65D 47/34 (2006.01) B67D 7/08 (2010.01) B05B 11/00 (2006.01) G01F 11/08 (2006.01)
Patent
CA 1331591
Metering and spray pump for liquid or low-viscosity substances Abstract In order to create a metering and spray pump of high functional reliability, consisting of as few indi- vidual parts as possible and able to be produced with as low production costs, in particular assembly costs, as possible, in which the pumping member consists of an elastically-flexible bellows (4), which is arranged con- nectively between mutually movable, dimensionally stable housing parts (1, 2), the bellows (4) has at its one end, as axial extension, a radially flexible, sleeve- like annular wall section (30), which encloses in sealing manner like a valve the circumferential surface (31) of a socket (24), in the form of a ring or pot, integrally molded onto the housing part (1) executing the pumping strokes. The other end of the bellows (4) is provided with an end wall section (17) which has at least one passage opening (18) and covers like a valve one or more outlet openings (16) of a housing end wall (12) of the second housing part (2) or forms the valve seat for a valve closing member which is molded onto a displacement body arranged in the bellows. (Fig. 1)
575763
Andris Raimund
Macrae & Co.
LandOfFree
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