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1. (WO2018200660) DOUBLE SEAL VALVE PIN TIP WITH VENT

Pub. No.:    WO/2018/200660    International Application No.:    PCT/US2018/029338
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Thu Apr 26 01:59:59 CEST 2018
IPC: B29C 45/27
B29C 45/34
Applicants: SYNVENTIVE MOLDING SOLUTIONS, INC.
Inventors: LIQIAO, Li
Title: DOUBLE SEAL VALVE PIN TIP WITH VENT
Abstract:
An assembly (200) for routing an injection fluid (23) to a mold cavity (80) comprising: a distal nozzle tip (210) comprising a distal projection (220), a mold (310a, 310b) having a cavity entrance aperture (300) having an inner circumferential surface (300ics), the distal nozzle tip (210) being mounted such that the distal projection (220) is disposed in a stationary position wherein an outer circumferential surface (220ocs) is disposed adjacent the inner circumferential surface (300ics) forming a gap (Z) having a width sufficient to enable air or gas to flow upstream (AU1) through the gap (Z) upon downstream movement (D) of the distal end (90de) of the valve pin (90) through the central bore (230) of the distal projection (220).