A filter cartridge and process

B - Operations – Transporting – 29 – D

Patent

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Details

B29D 23/00 (2006.01) B01D 27/08 (2006.01) B29C 45/17 (2006.01) B29C 45/40 (2006.01)

Patent

CA 2604789

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.

Dispositif de moulage par injection (10) comprenant une pièce de moulage mâle (11) entourée d'une pièce de moulage femelle (12) et formant un vide (13) entre les deux qui, au moment de l'injection de plastique fluide dans le moule, permet de former un contenant. Le dispositif de moulage comprend une tige de guidage (14), une bride à éjection (16), deux tiges de guidage pour la bride à éjection (17 et 18), une valve pour l'ouverture d'aération (15) et un canal d'injection (19). L'élément mâle (11) de cette application comprend huit rainures (20) disposées de manière irrégulière, de sorte que le contenant partiellement durci formé dans le moule d'injection peut être poussé hors du moule à l'aide de la bride à éjection (16), au moment où le contenant est suffisamment vert pour permettre aux côtes formées dans les rainures (20) de se déplacer au-dessus de la surface du moule mâle (11) au cours du processus d'éjection.

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