Drain pipe sterilization

Details Drain pipe sterilization Drain pipe sterilization

1974-12-02

1976-10-12

Bartis, A.

Electric heating

Heating devices

Combined with diverse-type art device

4206, 21 2, 134 19, 138 33, 219301, 219535, H05B 100, E03C 128, A61L 100

Patent

active

039859940

ABSTRACT:
The connecting pipe portion between the outlet pipe and the drain pipe of a wash basin is surrounded by an electric heater for heating the interior of the connecting pipe portion to a temperature of about 80.degree. to 100.degree.C to prevent microbes from rising from the drain pipe into the outlet pipe. The connecting pipe portion comprises a metal ring having a heating coil wound thereon and being thermally insulated from the outlet pipe and drain pipe by insulating rings. The outlet pipe may include a conical stub pipe projecting into the ring and spaced therefro by an air gap.

REFERENCES:
patent: 1913099 (1933-06-01), Ballentine
patent: 2452367 (1948-10-01), Gangloff
patent: 2582103 (1952-01-01), Clegg
patent: 2593459 (1952-04-01), Johnson
patent: 3579662 (1971-05-01), Lowry et al.

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