| 摘要 |
A reclosable fastener or zipper comprises interengageable male and female profile members (12, 16), each provided on a base (13, 17). One or both vases is/are provided with a lateral flange (18, 20, 22, 24). One or more of such flanges is/are provided with a pair of spaced, shallow convexities (28) with a layer of sealant material (30) co-extruded into the zone or zones between the convexities. |
