| 摘要 |
Disclosed is a hose (1) for a vacuum cleaner comprising synthetic resin strips (10), each of which comprises a flat portion (11), a reversed U-shaped protrusion (20) formed at an end (11a) of the flat portion (11) a nd having an electrical conductive wire (40) inserted therein, and a hook-shape d cover (30) integrally formed at the other end (11b) of the flat portion (11) with a predetermined space from the reversed U-shaped protrusion (20) so that the space between the protrusion (20) and the cover (30) allows smooth bending and stretching of the hose (1), wherein two adjoining strips (10, 10 ') are helically wound so that the reversed U-shaped protrusion (20) of one strip is overlapped with the hook-shaped cover (30) of the other strip, thereby contacting a side wall (20a) of the reversed U-shaped protrusion (20 ) of one strip with an inner surface (30a) of the hook-shaped cover (30), and w herein the side wall (20a) of the reversed U-shaped protrusion (20) of one strip and the inner surface (30a) of the hook-shaped cover (30) of the adjoining strip are adhered by adhesive.
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