Patent ID: 6935160

Claim:
A liquid pipe network composed of many liquid pipes for detecting water leakage, comprising: each liquid pipe having outer circumference of a predetermined thickness ‘t’, said outer circumference having an inner surface and an outer surface, and said liquid pipe wherein liquids flow into an inner empty space formed in said inner surface; and at least one pair of conducting wires laid on said outer circumference, wherein the outline of said laid conducting wires is projected in the shape of prominence out of said outer surface, connecting parts being installed in said outer surface far away from a lead-in entrance and an outlet of said liquid pipe, said lead-in entrance where liquids flow in, and said outlet where said liquids flow out, and said connecting parts electrically connecting said conducting wires of neighboring said liquid pipes more easily, an insertion groove being formed in said outer surface of said projected place by said laid conducting wires, and said insertion groove exposing said laid conducting wires, and wherein an adhesive is comprised in a lower part of said connecting parts, said adhesive bonding said connecting parts into said insertion groove, and a connection groove is comprised in a portion of said connecting parts, said connection groove for connecting said connecting parts with said conducting wires.