Water-resistant slide fastener stringer

Details Water-resistant slide fastener stringer Water-resistant slide fastener stringer

A - Human Necessities

44

B

24/49

A44B 19/40 (2006.01) A44B 19/32 (2006.01) H01L 31/0216 (2006.01)

Patent

CA 1276434

ABSTRACT OF THE DISCLOSURE A water-resistant slide fastener stringer comprises a water-resistant support tape and a pair of rows of coupling elements mounted on opposite surfaces of the support tape. In production, the two coupling element rows are attached to one or water- resistant surface of a continuous water-resistant strip in a confronting relation to one another. Then the strip is folded into a pair of superposed strip halves along a longitudinal center line between the opposed coupling element rows. Finally, the confronting inner surfaces of the strip halves are joined to one another in a known manner, e.g. by an adhesive. The shape of a contact edge of the stringer, which extends along and beyond the rows of elements, is such that when the single type of stringer is used in the production of both opposed tapes of a slide fastener, the respective opposed contact edges are compatible with each other to reduce production cost by eliminating the need for two discrete types of a stringer tape.

443228

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