Hot runner nozzle
US6619948B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 15, 2002 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Feb 15, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/2788
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A hot runner nozzle for an injection mold with a material pipe made of a high-strength material, which may be mounted on a mold or manifold has at least one flow duct for a melt and a nozzle tip at its lower end. A heater for the melt is attached onto the periphery of the material pipe, the heater being designed as a solid block made of a highly heat-conductive material and comprising a first receiving channel for the material pipe and at least one other receiving channel for a linear heating element, which other channel is substantially parallel to the first receiving channel. This heating assembly ensures a surprisingly uniform and homogeneous temperature distribution in the material pipe down to the nozzle tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.