Injection molding machine spigotted shooting pot piston
US7156634B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Mar 8, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/2725
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection molding shooting pot configured to be installed in a coinjection hot runner with a coinjection nozzle, the coinjection nozzle having at least two melt channels ending at the same gate. The injection molding shooting pot includes a shooting pot piston having a proximal end and a distal end. A shooting pot piston extension is disposed at the distal end of the shooting pot piston, and is configured to dislodge a check valve moving element during a discharge cycle of the shooting pot piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.