Metering valve for dispensers

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 83/54 (2006.01) B29D 99/00 (2010.01) B29C 45/00 (2006.01) B65D 83/14 (2006.01)

Patent

CA 2388803

The invention relates to improvements in metering valves for use in dispensing apparatus. There is provided a metering valve (10) for assembly with a pressurised dispensing container (not shown). The valve (10) comprises a valve stem (20) co-axially slidable within a valve body (16, 17) defining a metering chamber. Inner and outer seals (15, 18) are provided for sealing between the valve body and the valve stem and a gasket (14) is located on the valve body for sealing against a neck portion of a pressurised dispensing container. At least one of the inner seal, outer seal or gasket is formed as a co-moulding with at least part of the valve body.

La présente invention concerne des améliorations apportées à des robinets doseurs destinés à des distributeurs. L'invention concerne plus particulièrement un robinet doseur (10) se montant sur un récipient distributeur pressurisé (non représenté). Le robinet (10) comporte une tige (20) coulissant dans l'axe d'un corps de robinet (16, 17) définissant une chambre doseuse. Des jonctions étanches intérieures et extérieures (15, 18) assure l'étanchéité entre le corps et la tige du robinet, un joint (14) disposé sur le corps du robinet assurant par application une étanchéité avec le goulot d'un récipient distributeur pressurisé. L'un au moins des liaisons étanches intérieures et extérieures ou du joint est réalisé sous forme d'un co-moulage avec une partie au moins du corps du robinet.

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