This utility model patent covers a venting system developed for our gravity casting molds, used to release cavity gas during pouring.
The design is intended to release trapped gas as the cavity fills, which helps limit gas-related porosity in the finished casting.
The patent number can be verified in the CNIPA public register, and a copy is available on request.
Certificate Details
| Number | CN 202220150106X |
|---|---|
| Type | Utility Model Patent |
| Issuing Body | China National Intellectual Property Administration (CNIPA) |
| Holder | Dongguan LvDeWang Hardware Products Co., Ltd. |
| Scope | Venting system for gravity casting molds |
| Validity | Granted — utility model patent (10-year term from filing date) |
Numbers are published as issued. Ask us for a copy and we will send the original PDF with your quotation.