Heated conduit

Details Heated conduit Heated conduit

2007-04-10

2007-04-10

Campbell, Thor (Department: 3742)

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

C392S469000, C392S479000

Reexamination Certificate

active

10525106

ABSTRACT:
A conduit comprising a pipe, an electrical heater extending along the length of the pipe, and a thermally insulating jacket extending around the pipe and heater. The pipe comprises a plastic inner tube. The plastic inner tube is received within a deformable metal tube such that the plastics inner tube and deformable metal tube form a composite double-walled structure.

REFERENCES:
patent: 3378673 (1968-04-01), Hopper
patent: 4547659 (1985-10-01), Leary et al.
patent: 5294780 (1994-03-01), Montierth et al.
patent: 2002/0007861 (2002-01-01), Hansen et al.
patent: 100 51 111 (2002-04-01), None
PCT International Search Report for International Application No. PCT/GB03/03350 dated Oct. 16, 2003 (7 p.).

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