Title:
INJECTION PRESSURE OPENING/CLOSING CONTROL TYPE HOT RUNNER VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/203135
Kind Code:
A1
Abstract:
The present invention provides a gate opening/closing type hot runner valve device using resin pressure. The present invention provides an injection pressure opening/closing control type hot runner valve device which enables an up-down piston to be automatically controlled to be moved up or down by pressure equilibrium action with injection pressure of an injection cylinder to enable an opening/closing operation with respect to a gate, and ensures a stable and accurate gate opening/closing operation regardless of a case in which pressure of resin is low or the speed of the same is low.
Inventors:
KIM HYUK JOONG (KR)
Application Number:
PCT/KR2021/012120
Publication Date:
September 29, 2022
Filing Date:
September 07, 2021
Export Citation:
Assignee:
KIM HYUK JOONG (KR)
International Classes:
B29C45/28; B29C45/23; B29C45/27
Foreign References:
| KR102010997B1 | 2019-08-14 | |||
| JP2001088171A | 2001-04-03 | |||
| KR20060042878A | 2006-05-15 | |||
| KR200418316Y1 | 2006-06-09 | |||
| KR101718324B1 | 2017-03-21 |
Attorney, Agent or Firm:
OH, Seung Keon (KR)
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