Injection molding assembly

Details Injection molding assembly Injection molding assembly

B - Operations, Transporting

29

C

18/702

B29C 45/54 (2006.01) B29C 44/42 (2006.01) B29C 45/23 (2006.01)

Patent

CA 1172411

INJECTION MOLDING ASSEMBLY ABSTRACT OF THE DISCLOSURE A injection molding nozzle with an automatic shut-off valve is disclosed. The present invention is intended for use with injection molding machines employing a screw plasticizer and an injection plunger. The nozzle, as a conversion unit, fits any in-line screw injection machine. The nozzle can, also, be employed as part of a two-stage injection molding machine capable of injection molding, conventional, semi-foam or structural foam. The nozzle of the present invention has smooth flow passages and a few parts which are of simple construction allowing the nozzle to be easily cleaned for conversion to different materials. - 1 -

378570

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