Patent ID: 8397353

Claim:
A continuous-coil type waterproof slide fastener, comprising: a pair of symmetrical support tapes each having a first face, a second face opposite to said first face forming an inner edge between the second face and a vertical wall of an inner longitudinal edge joining said first face and said second face; two rows of coupling elements respectively formed of a continuous length of monofilament and respectively secured to said support tapes along said inner edge of the second face of each of said two support tapes; wherein a high polymer elastic member is bonded to the vertical wall of the inner longitudinal edge of each of said two support tapes and transversely extending from the vertical wall of the inner longitudinal edge of each of said two support tapes to a predetermined distance, said high polymer elastic member further comprising a covering portion on said inner edge of the second face of each of said two support tapes and a filling portion penetrates into inner chinks in each of said two rows of coupling elements; a fluid impervious film is covered at least on the first face of each of said two support tapes and said high polymer elastic member; said high polymer elastic member and said fluid impervious film are cut off along a central slit between said two support tapes.