Patent ID: 6879780
Filing Date: 2005-04-12
Classification: F16L,F24D,H02G,H05B,Y02B

Abstract:
1. A method of inserting an electric heating wire into a hot water tube and carrying it through inside of the hot water tube, wherein one end of the hot water tube laid beneath the floor of a room is pipe-fitted, via a guide tube, to the outlet tube of a pump and the other end of said hot water tube is led into a water reservoir provided with an inlet tub of said pump, and a ball-type guide member attached with plural coated electric heating wire is inserted through a guide hole provided on a side of said guide tube in such a way as to keep the internal sectional space of the hot water tube sealed, and wherein the ball-type guide member is continuously pushed forward inside the hot water tube by the water pressure being generated by the pump, pulling along with it the electric heating wire.