Mesh hook surface fastener, production method therefor, and production method for surface fastener-attached molded body
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United States of America Patent
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Oct 1, 2024
Grant Date -
Dec 1, 2022
app pub date -
Oct 22, 2020
filing date -
Oct 22, 2020
priority date (Note) -
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Abstract
A mesh hook surface fastener does not lose engagement ability even when subjected to mold-in forming and gives only a slight feeling of something foreign. The mesh hook surface fastener contains first shape holding ribs (a21) with a relatively small protrusion height and second shape holding ribs (a22) with a relatively large protrusion height which protrude to the opposite side of hook-shaped engagement elements (B1, B2) across a base layer (A1) and are alternately arranged. The heights of the adjacent shape holding ribs (a21, a22) are different, which prevents the direct entrance of a foamable resin liquid and weakens its force. As the force weakens, foaming and curing progress more readily and, as a result, the amount of the foamable resin liquid that passes through meshes of the base layer to reach the hook-shaped engagement elements can be reduced.
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