Reinforced hook web

Details Reinforced hook web Reinforced hook web

2006-06-27

2006-06-27

Cooke, Colleen P. (Department: 1754)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including fastener for attaching to external surface

Reexamination Certificate

active

07067185

ABSTRACT:
A unitary fastener of a thermoplastic resin comprising a base film layer having generally parallel upper and lower major surfaces, arranged in a first direction the base film layer being oriented at least in the first direction. The backing layer having on at least one surface separated surface elements extending at an angle to said first direction. The invention is also related to a method of forming a unitary fastener. The method includes the steps of extruding a thermoplastic resin in a machine direction through a die plate having a continuous base portion cavity and one or more rib cavities extending from the base portion cavity, forming a strip having a base layer and continuous rib. This scoring or cutting the ribs and at least a surface layer of the film structure forms predetermined separable elements. This inelastically stretching the strip to separated projections and the separated separable surface elements across the strip. The spacings between adjacent separated separable surface elements comprises an oriented film.

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