Patent · US Expired

Injection molding machine spigotted shooting pot piston

US7156634B2 · kind B2 · utility

1Cited by
10References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 30, 2004
Grant dateJan 2, 2007
Priority date
Expiry dateMar 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.