Patent · US Expired

Thick film heater for injection mold runner nozzle

US5973296A · kind A · utility

63Cited by
17References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1998
Grant dateOct 26, 1999
Priority date
Expiry dateOct 20, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2045/2746
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Hot runner injection molding systems with externally heated injection runner nozzles for such systems. The heater is preferably a tubular heater with the resistive element applied to the exterior surface by fine film printing. The heater is adapted to externally heat a hot runner injection mold runner nozzle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.