Patent ID: 8806724

Claim:
A liquid-tight slide fastener, comprising: a pair of right and left, coil-like coupling element rows sewn to an opposing side edge of a pair of right and left fastener tapes; a pair of right and left core threads passing through the pair of coil-like coupling element rows, wherein the coupling element rows and the core threads are sewn to the fastener tapes; and a pair of right and left liquid tight layers formed so that surfaces of the pair of right and left fastener tapes that are opposite to surfaces to which the coil-like coupling element rows are attached, and opposing side edges thereof are in contact when the pair of right and left coil-like coupling element rows are coupled, wherein the liquid tight layers extend to the edges of the fastener tapes, and wherein at least surfaces of the liquid tight layers and the core threads are coated with a water repellant agent or oil repellant agent.