Patent ID: 8112848

Claim:
A slider for guiding coupling elements and sealing lips of a fluid tight slide fastener, the slider having upper and lower plates joined together by a guide post and a guide plate formed on the guide post to cooperate with the upper and lower plates, the upper and lower plates have a forward end and a trailing end, wherein the upper and lower plates taper towards the trailing end, and wherein the slider is integrally formed and wherein further a forward portion of the guide plate proximate the forward end of the upper and lower plates having a thickened portion having a thickness is thickened relative to a trailing portion of the guide plate proximate the trailing end of the upper and lower plates and wherein further the thickened portion is spaced from each of the upper and lower plates along a direction parallel to a longitudinal length of the guide post, the thickened portion extends from a forward edge of the guide plate proximate the forward end of the upper and lower plates to a position near a trailing edge of the guide post and an outer edge of the thickened portion is chamfered wherein the chamfer is facing the upper plate.