Importance

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Abstract

A closure device providing tactile confirmation of occlusion is disclosed. The closure device comprises first and second interlocking fastening strips arranged to be interlocked over a predetermined length, at least one of the fastening strips having a deformation in the closure device after occlusion of the closure device. This deformation allows a user to tactually confirm that the closure device has been occluded, even after the closure device has been occluded. The deformation may be an inward deformation or an outward deformation on the fastening strip. The deformation may be on one or both of the fastening strips. The fastening strip may include multiple deformations. The deformation may be facilitated by providing a flexure point in the fastening strip, such as, an area of reduced cross-section or a coextruded portion with a different modulus of elasticity. In one embodiment of the invention, the fastening strips include mateable male and female closure elements. The male fastening strip includes a pair of first wings spaced apart on the fastening strip on the male closure element, whereas the female fastening strip includes a pair of second wings spaced apart on the female fastening strip to interfere with the first wings. When the male and female fastening strips are brought together to interlock, the first wings engage with the second wings such that at least a portion of the male fastening strip deflects to form an inward deformation.

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First Claim