Heatable hose

Details Heatable hose Heatable hose

2009-04-03

2011-12-13

Robinson, Daniel L (Department: 3742)

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

Reexamination Certificate

active

08078040

ABSTRACT:
A heatable hose (1), in particular a respiration hose, having a flexible hose wall (4), shall guarantee through its design that a contact of the electric conductors or heating wires (14, 16) accommodated in the hose (1) and, thus, a short circuit, is excluded. For this purpose, the hose (1) is equipped with a plurality of reinforcing ribs (8, 12, 20, 22), each of which winds around the hose wall (4) in the manner of a helical line and which form together a multiple-threaded helical line, at least two reinforcing ribs (8, 12) being provided, each of which encloses a heating wire (14, 16) designed for heating the hose. Each heating wire (14, 16) is preferably a single-conductor wire.

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