Method for producing closure elements for metal touch-and-close fasteners according to the method
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United States of America Patent
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Apr 1, 2014
Grant Date -
Oct 14, 2010
app pub date -
Dec 13, 2008
filing date -
Jan 19, 2008
priority date (Note) -
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Abstract
To produce closure elements for metal touch-and-close fasteners in a metal carrier (3), notches (13) corresponding to the outlines of hook elements (1) are made, while leaving a connecting line for each notch. Bending operations are carried out to raise the regions delimited by the notches (13) out of the plane of the carrier (3) as hooking elements (1) around the connecting lines serving as bending lines. The carrier (3) is guided through the region (5) of the tooth engagement between rotational bodies (7, 9) having peripheral teeth. The tooth shapes of the rotational bodies (7, 9) and the type of the tooth engagement are selected such that the tooth engagement cuts the notches (13) and stamps the metal carrier the bending operations.
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