B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 27/08 (2006.01) B01D 27/04 (2006.01)
Patent
CA 2355165
An injection moulding assembly (10) comprising a male moulding member (11) surrounded by a female moulding member (12) forming a void (13) between them that upon injection of molten plastics into the mould a container can be formed. The moulding assembly includes a guide rod (14) and ejection flange (16) and a pair of ejection flange guide rods (17 and 18), an air vent valve (15) and an injection passage (19). The male member (11) includes in this embodiment eight grooves (20) unevenly spaced so that the partially hardened container formed in the injection mould can be pushed from the mould using the ejection flange (16) while the container is sufficiently green to enable the ribs formed in the grooves (20) to move over the surface of the male mould (11) during the ejection process.
L'invention concerne une ensemble de moulage par injection (10) comprenant un élément de moulage mâle (11) entouré d'un élément de moulage femelle (12) formant entre eux un vide (13). L'injection de plastique fondu dans le moule permet de former un récipient. L'ensemble de moulage comprend une tige de guidage (14) et une collerette d'éjection (16) ainsi que deux tiges de guidage de la collerette d'éjection (17, 18), une valve d'évacuation de l'air (15) et un passage d'injection (19). Dans ce mode de réalisation, l'élément mâle (11) comporte huit rainures (20) inégalement espacées de sorte que le récipient partiellement durci formé dans le moule d'injection puisse être éjecté hors du moulage à l'aide de la collerette d'éjection (16) tant que le récipient est suffisamment vert pour permettre aux nervures formées dans les rainures (20) de se déplacer sur la surface du moulage mâle (11) pendant le processus d'éjection.
Krelle Harold Thomas
Winter Josef
Filter Technology Australia Pty. Limited
Johnston Wassenaar Llp
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