Patent ID: 8426780
Filing Date: 2013-04-23
Classification: H05B

Abstract:
1. A heating cartridge for a thermostatic working valve, the heating cartridge comprising: a winding support; an insulating material filling; a metal sheathing; a resistance wire winding, which is wound on said winding support and which is arranged, embedded in said insulating material filling, in said metal sheathing; a dimensionally stable coupling element at one end of said metal sheathing, said dimensionally stable coupling element being manufactured from a plastic; and connecting lines arranged in said plastic, said connecting lines electrically connecting to the ends of the resistance wire winding, said connecting lines being rigidly seated in said coupling element, said coupling element comprising at least one of a connector plug and a holder and said coupling element having a connection section, which protrudes into an open end of said metal sheathing and which is fastened in said metal sheathing by radial pressing of said metal sheathing, wherein said metal sheathing is connected to said coupling element in one or more of a non-positive manner and in a positive-locking manner, said at least one of said connector plug and said holder being located at a position outside of said metal sheathing, said at least one of said connector plug and said holder comprising an external device connection interface for connecting said coupling element to an external device, said dimensionally stable coupling element forming a structural unit with said metal sheathing.