Patent ID: 8078040

Claim:
A heatable hose ( 1 ) comprising: a flexible hose wall ( 4 ); 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 ( 1 ); wherein the reinforcing ribs ( 8 , 12 , 20 , 22 ) have different cross-sectional shapes and/or cross-sectional dimensions; and wherein exactly one reinforcing rib ( 8 , 12 , 20 , 22 ) protrudes over the other reinforcing ribs ( 8 , 12 , 20 , 22 ) in a direction normal to the hose axis.