Method and apparatus for adapting separable fasteners for attach

Details Method and apparatus for adapting separable fasteners for attach Method and apparatus for adapting separable fasteners for attach

1986-09-23

1988-02-23

Thomas, Alexander S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including fastener for attaching to external surface

4283084, 4283111, 4283171, 428120, 428900, 428329, 24444, A44B 2100

Patent

active

047269758

ABSTRACT:
An improvement for attaching fastener strips to other objects wherein a strip of fastener material is formed into the surface of urethane foam or the like during molding in a mold. The fastener material comprises a backing strip having an outer surface adapted to mate with the foam material during molding and a fastener strip having an outer surface comprising one-half of a fastening system such as hook and loop fastening material. The backing strip and the fastener strip are attached to one another with their respective inner surfaces in face-to-face relationship with their outer surfaces facing outward. The fastener material fits within a longitudinal groove in the mold and the backing material overlaps the groove. The invention comprises an improved apparatus including a backing strip that is wider than the fastener strip and provides exposed strips on both sides of the fastener strip. A pair of strips of polyethylene film is attached to the exposed strips only along lines adjacent the edges of the fastener strip and forms two unattached gasket strips for contacting the mold and preventing entry of the foam-forming liquid into the groove.

REFERENCES:
patent: 4470857 (1984-09-01), Casalou
patent: 4563380 (1984-07-01), Black et al.
patent: 4617214 (1986-10-01), Billarant

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