Patent ID: 11738702

Abstract:
A waterproof unit including: a first waterproof tube that has a tubular shape and is to be attached to a through hole of a vehicle body panel disposed between a waterproof area that requires waterproofing and a non-waterproof area that does not require waterproofing; a second waterproof tube that has a tubular shape and is to be disposed in the non-waterproof area so as to be spaced apart from the first waterproof tube; and a first exterior tube that has a tubular shape, is disposed between the first waterproof tube and the second waterproof tube, and is coupled to the first waterproof tube and the second waterproof tube, wherein the first exterior tube has higher flexural rigidity than the first waterproof tube to be kept from coming into contact with the first waterproof tube when the waterproof unit is bent in the non-waterproof area.