B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/20 (2006.01) B29C 45/17 (2006.01)
Patent
CA 2584959
A method and apparatus for improving the quality of molded parts in a molding system having a valve stem and a valve gate. The valve stem is movable between a fully retracted position where the gate is fully open to a fully forward position where the gate is fully closed and into an intermediate position where the gate remains closed but the valve stem is displaced from the gate so heat transfer through the valve stem and into the gate region is minimized.
La présente invention concerne un procédé et un appareil pour améliorer la qualité de pièces moulées dans un système de moulage ayant une tige de vanne et un obturateur. La tige de vanne est mobile entre une position complètement rétractée où l~obturateur est complètement ouvert vers une position complètement avancée où l~obturateur est complètement fermé et dans une position intermédiaire où l~obturateur reste fermé mais la tige de vanne est déplacée à partir de l~obturateur de sorte que le transfert thermique par la tige de vanne et dans la région de l~obturateur est minimisé.
Husky Injection Molding Systems Ltd.
Husky Intellectual Property Services
LandOfFree
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