초록 ▼

A mechanical fastener. A preferred embodiment of the invention provides a mechanical fastener including engaging stems having heads with demarcation lines. The present invention also provides a method of making a mechanical fastener that includes placing a layer of heated material on stem ends to so

A mechanical fastener. A preferred embodiment of the invention provides a mechanical fastener including engaging stems having heads with demarcation lines. The present invention also provides a method of making a mechanical fastener that includes placing a layer of heated material on stem ends to soften the stem ends and deforming the softened stem ends into convex heads.

대표청구항 ▼

[ What is claimed is:] [1.]1. A method of forming a mechanical fastener, comprising the steps of:a) providing a substrate including a first major surface and a plurality of stems extending from the first major surface of the substrate, wherein each of the plurality of stems includes a stem end;b) pl

[ What is claimed is:] [1.]1. A method of forming a mechanical fastener, comprising the steps of:a) providing a substrate including a first major surface and a plurality of stems extending from the first major surface of the substrate, wherein each of the plurality of stems includes a stem end;b) placing a layer of heated material on the stem ends to soften the stem ends;c) deforming the softened stem ends into convex heads and forming a plurality of depressions in the layer of heated material where the layer of heated material contacts the convex heads; andd) stripping the layer of material having the plurality of depressions therein.