B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/27 (2006.01)
Patent
CA 2501854
A nozzle for an injection molding runner system comprises a nozzle housing having a melt channel through it, a nozzle tip having a tip channel and at least one outlet aperture in communication with the tip channel, and a tip retainer that retains the nozzle tip against the nozzle housing such that the tip channel communicates with the melt channel. The tip retainer is significantly more thermally conductive than the nozzle tip. A nozzle seal that is significantly less thermally conductive than the tip retainer may be fused with the tip retainer, and may be annularly spaced from the nozzle tip.
L'invention concerne une buse pour système de moulage à canaux d'injection, qui comprend un boîtier (12) de la buse traversé d'un filet de la zone de fusion (14); un pointeau (16) de la buse présentant un canal (22) du pointeau et au moins une ouverture de sortie communiquant avec ledit canal (22); et un organe de retenue (24) du pointeau qui retient le pointeau (16) de la buse contre le boîtier (12) de la buse, de sorte que le canal (22) du pointeau communique avec le filet de la zone de fusion (14). L'organe de retenue (24) du pointeau est sensiblement plus thermoconducteur que le pointeau (16) de la buse. Un joint (30) de la buse sensiblement moins thermoconducteur que l'organe de retenue (24) du pointeau peut être fondu avec ledit organe de retenue (24) et disposé selon un espacement annulaire, à partir du pointeau (16) de la buse.
Blais Paul Richard
Cernava Stephen
Fikani Fadi
Husky Injection Molding Systems Ltd.
Husky Intellectual Property Services
LandOfFree
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