PROBLEM TO BE SOLVED: To provide a hard tube for enclosing a wire harness which does not require firm tape winding for preventing a slit from opening, and does not require preparing many types of hard tube, according to the diameter of the wire harness.;SOLUTION: In a hard tube 1 for enclosing a wire harness which is attached to the outer circumference of a wire harness WH, a slit is formed at one place in the circumferential direction of a tubular circumferential wall 2 over the total length thereof, the circumferential wall is curled so that the opposite ends 2a and 2b thereof, having the slit therebetween overlap in the circumferential direction with one inner surface touching the other outer surface, protrusions and recesses 4 and 5 having a triangular cross-section and engaging each other, when the opposite ends of the circumferential wall are made to be overlapped on the overlapping surface at the opposite ends of the overlapping circumferential wall are formed alternately in the circumferential direction of the circumferential wall and provided continuously with the same cross-section over the total length of the circumferential wall, and the protrusions and recesses 4 and 5 at the ends 2a and 2b of at least one circumferential wall are provided in the shape of sawtooth for plurality of pitches.;COPYRIGHT: (C)2010,JPO&INPIT
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