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US 2010/0003358 A1Published application
Electric heating device for hot runner systems
AssigneeGunther Heisskanaltechnik GmbH
InventorHerbert Gunther
Life of this patent
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Abstract
The invention relates to an electric heating unit for hot runner systems, in particular for hot runner nozzles and/or hot runner manifolds, comprising at least one tubular or muff-like support made of a sintered substance and comprising at least one heating layer fitted with heating conductor tracks, where said heating layer is a fired foil or a fired thick-film paste.
Claims34
Electric heating unit (10;
- 30) for hot runner systems, in particular for hot runner nozzles (12) and/or hot runner manifolds, comprising at least one tubular or muff-like support (20;
- 32) and at least one heating layer (22) fitted with heating conductor tracks (23), said heating layer being a fired foil or a fired thick-film paste.
Method as claimed in tclaim 28, characterized in that all layers are deposited separately and are fired simultaneously (co-fired).
Dependencies are inferred from the claim text.