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1. (WO2017174357) INJECTION MOULD

Pub. No.:    WO/2017/174357    International Application No.:    PCT/EP2017/056792
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Mar 23 00:59:59 CET 2017
IPC: B29C 45/28
Applicants: FOSTAG FORMENBAU AG
Inventors: MÜHLEMANN, Rolf
Title: INJECTION MOULD
Abstract:
An injection mould for producing at least one injection-moulded part with an outer shape and an inner shape, comprising at least one cavity (3) and, for every cavity (3), one hot-runner nozzle (4) connected thereto, which has an annular nozzle mouth (5) for injecting at least one melt into the cavity (3); wherein the at least one cavity (3) is formed by a cooled die (1a), which forms the outer form for the outer shape of the injection-moulded part to be produced, and by a core (2a), which forms the inner form for the inner shape of the injection-moulded part to be produced; and wherein the hot-runner nozzle (4) has a nozzle core (7) and a hollow needle (6), which can be moved along the nozzle core (7) for opening and closing the annular nozzle mouth (5), wherein the nozzle core (7) protrudes beyond the annular nozzle mouth (5) of the hot-runner nozzle (4) and wherein the nozzle core (7) forms the core (2a) of the cavity (3) of the injection mould.