Molded surface fastener and method for manufacturing the same

Details Molded surface fastener and method for manufacturing the same Molded surface fastener and method for manufacturing the same

1996-05-31

1997-12-30

Ahmad, Nasser

Stock material or miscellaneous articles

Structurally defined web or sheet

Including fastener for attaching to external surface

24306, 24442, 24445, 24447, 24448, 24450, 24452, 428105, 428113, 428114, B32B 306

Patent

active

057027978

ABSTRACT:
Molten resin is continuously extruded from an injection die or an extrusion die toward the circumferential surface of a die wheel having in its circumferential surface a multiplicity of hook-element-forming cavities and, at the same time, one or more yarns are introduced between the molten resin and the circumferential surface of the die wheel into an inter-element portion of a substrate sheet between a desired adjacent rows of hook elements in parallel to the hook element rows. The yarns are embedded in and integrally molded with the inter-element portion of the substrate sheet and at the same time, hook elements are molded on the circumferential surface of the die wheel as the hook-element-forming cavities are filled with part of the molten resin.

REFERENCES:
patent: 4117609 (1978-10-01), Helt
patent: 5260015 (1993-11-01), Kennedy et al.
patent: 5436051 (1995-07-01), Donaruma

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