Integrally molded dispensing valve and method of manufacture

Details Integrally molded dispensing valve and method of manufacture Integrally molded dispensing valve and method of manufacture

B - Operations, Transporting

65

D

B65D 47/20 (2006.01) F16K 15/14 (2006.01)

Patent

CA 2595545

A dispensing valve includes an annular ring (100 or 134 or 142 or 156) of relatively rigid molded plastic construction and a flexible resilient valve element (102 or 132 or 144 or 158) integrally molded with the ring. The ring and the valve element have at least one mechanical interlock (110, 122 or 120, 148) to secure the valve element to the ring as the valve element is molded onto the ring. In some embodiments of the disclosure, the mechanical interlock includes openings (110) in an inner periphery of the ring and pegs (122) on the outer periphery of the valve element that are molded into the openings as the valve element is molded onto the ring.

cette invention concerne une vanne de distribution comprenant un anneau circulaire (100 ou 134 ou 142 ou 156) présentant une construction en plastique moulé relativement rigide et un élément de vanne élastique souple (102 ou 132 ou 144 ou 158) moulé de manière monobloc avec l'anneau. L'anneau et l'élément de vanne comprennent au moins un verrouillage mécanique (110, 122 ou 120, 148) conçu pour fixer l'élément de vanne sur l'anneau pendant que l'élément de vanne est moulé sur l'anneau. Dans certains modes de réalisation, le verrouillage mécanique présente des ouvertures (110) ménagées dans une périphérie interne de l'anneau et des taquets de fixation (122) disposés sur la périphérie extérieure de l'élément de vanne, lesquels sont moulés dans les ouvertures pendant que l'élément de vanne est moulé à l'intérieur de l'anneau.

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