Process and connection component using an electrical resistor fo

Electric heating – Heating devices – With heater-unit housing – casing – or support means

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219517, 219544, 219522, 219517, 1562742, 285286, 26427211, H05B 358

Patent

active

051824400

ABSTRACT:
The invention relates to the welding of components made of heat-fusing plastic, using an electrical heating resistor arranged in the thickness of a connection component.
According to the invention, the resistor is a thin electrically conductive layer advantageously formed on a supporting film made of heat-fusing plastic and capable of causing the tearing of the layer at a specific temperature corresponding to the welding temperature of the components.
The invention is used particularly for the thermal welding of polyethylene pipes used in the gas industry.

REFERENCES:
patent: 4208645 (1980-06-01), Harmon et al.
patent: 4306213 (1981-12-01), Rose
patent: 4540970 (1985-09-01), Kasamatsu

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