An Airtight and fluid tight slide fastener with coupling elements of continuous coil type secured to the folded edge of the opposed support tapes, the joined chain of the fastener fully encapsulated with thermoplastic resin with the support tapes coated with thermoplastic resin, thus forming a hermetically sealed sl...

An Airtight and Fluid tight slide fastener is disclosed, which comprises of a pair of support tapes, and a row of coupling elements mounted on each of folded edge of tapes along with longitudinal edge on one side thereof, and water resistant material coated on the other side of the tape and the spaces of the gaps de...