Patent ID: 9660429
Date: 2017-05-23
CPC Classifications: B60R,H02G

Claim:
1. An electrical wire protection tube comprising: a tube main body portion that is made up of ring-shaped ribs and small-diameter short tube portions that are a resin molded body and are alternatingly arranged in a single line so as to form one passageway for passage of an electrical wire, holes of the ring-shaped ribs and holes of the small-diameter short tube portions having the same diameter, wherein in each of the ring-shaped ribs, a diameter corresponding to a central portion in an axial direction is a maximum diameter, each of the ring-shaped ribs has a maximum-diameter ridgeline portion and inclined surfaces that are respectively located on one side and another side of the ridgeline portion and are inclined toward the small-diameter short tube portions, and when the tube main body portion is bent into a U shape, the small-diameter short tube portions stretch on one side of the tube main body portion and the inclined surfaces of the adjacent ring-shaped ribs become in close contact with each other on an opposite side of the tube main body portion such that three to eight of the ring-shaped ribs that are adjacent to each other are located in a 180-degree bending range.