Fluid dispensing components

Details Fluid dispensing components Fluid dispensing components

B - Operations, Transporting

65

D

B65D 37/00 (2006.01) B67D 7/06 (2010.01) B65D 5/40 (2006.01) B65D 5/72 (2006.01) B65D 25/40 (2006.01) B65D 35/28 (2006.01) B65D 35/38 (2006.01) B65D 35/56 (2006.01)

Patent

CA 2542589

Components are provided for use in systems for dispensing fluids. A resilient diaphragm (34) is provided for a diaphragm pump (30). The diaphragm (34) includes a pressurizing portion (52) and annular base wall (54) connected with a connecting member (58) to a peripheral mounting flange (60) for mounting the diaphragm (34) in the housing (32) of the pump (30). The pump housing (32) has a retention wall (70) which can be swaged against the diaphragm flange (60). The pump housing (32) has a discharge structure (36) with an outlet valve (38) and a restraint structure (130, 132) adjacent the valve (38) to prevent in- venting through the outlet valve (38). The outlet valve (38) includes a flange (160) which is retained by a retention wall (120) and which projects from the discharge structure (36) and which is swaged into engagement with the outlet valve flange (160).

L'invention porte sur des composants destinés à être utilisés dans des systèmes de distribution de fluides. Une membrane résiliente (34) a été prévue pour une pompe à membrane (30). La membrane (34) comprend une section de pressurisation (52) et une paroi de base annulaire (54) raccordée par un élément de raccordement (58) à une collerette de montage périphérique (60) pour monter la membrane (34) dans le corps (32) de la pompe (30). Le corps (32) de la pompe comporte une paroi de rétention (70) sertie contre la collerette (60) de la membrane et une structure d'évacuation (36) pourvue d'une soupape d'évacuation (38) et d'une structure de retenue (130, 132) adjacente à la soupape (38) afin d'empêcher la ventilation par la soupape d'évacuation (38). Ladite soupape (38) comprend une collerette (160) retenue par une paroi de rétention (120) et faisant saillie de la structure d'évacuation (36) et sertie de façon à venir en contact avec la collerette de la soupape d'évacuation (160).

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