Injection molding insert with melt inlet and pin aligned

Details Injection molding insert with melt inlet and pin aligned Injection molding insert with melt inlet and pin aligned

B - Operations, Transporting

29

C

B29C 45/22 (2006.01) B29C 45/27 (2006.01)

Patent

CA 2099334

Injection molding apparatus with a number of spaced inserts removably seated in a heated melt distribution manifold. Each insert is seated in a transverse opening through the melt distribution manifold in alignment with a heated nozzle. The insert has a melt duct with a smoothly curved bend extending through 90° to an outlet in matching alignment with a melt bore extending centrally through the nozzle. The insert has an alignment pin which extends outwardly through a matching aperture in the melt distribution manifold into an opening in the mold to both align the insert in the manifold and locate the manifold in the mold. The alignment pin bore is positioned opposite from and in alignment with the inlet to the melt duct so alignment of the melt duct inlet in the insert with a respective branch of a melt passage in the manifold is very accurate.

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