Patent ID: 8402613

Claim:
A slide fastener, comprising: a pair of fastener tapes each comprising a tape layer; a pair of coupling elements provided along adjacent edges of the pair of fastener tapes; a slider that engages or separates the pair of coupling elements with or from each other; and an end stop secured to the pair of fastener tapes at an end portion of the pair of coupling elements, wherein the pair of coupling elements are integrally secured to each other at one region of the end portion of the pair of coupling elements, wherein the one region extends between a rear end portion of a diamond of the slider and a base portion of the slider in a state where the base portion of the slider comes in contact with the end stop, wherein the slide fastener is a waterproof slide fastener, wherein each of the tape layers comprises at least one waterproof layer, wherein the waterproof layers abut one another, wherein the abutting waterproof layers are further melted and welded, and wherein an extension portion of the end stop is formed where the abutting waterproof layers are melted and welded.