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

1995-05-02

1997-04-15

Thurlow, Jeffery R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including fastener for attaching to external surface

428120, 24442, 24444, 24445, 24452, 15624415, 264136, 264167, 26417113, 2641731, 26417719, 2643288, 264257, 425115, 425327, A44B 1800, B29C 4702

Patent

active

056207697

ABSTRACT:
In a molded surface fastener manufacturing method, molten resin is injected or extruded from an injection die or an extrusion nozzle, and at the same time, a coarse mesh core sheet is introduced between the extruded molten resin and the circumferential surface of a die wheel, which has a multiplicity of hook-element-forming circumferential cavities. The core sheet is forced against the circumferential surface of the die wheel by a pressing force of a press roller or under a molten resin pressure at the time of injection to pass part of the molten resin through pores of the core sheet and to fill in the hook-element-forming cavities. As a result, a multiplicity of hook elements are molded, and at the same time, the core sheet is embedded integrally in a plate-shaped substrate sheet closer to the hook-element-surface side.

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