Fasteners and methods of making fasteners
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United States of America Patent
Stats
-
Mar 23, 2004
Grant Date -
Sep 20, 2001
app pub date -
May 30, 2001
filing date -
Jan 15, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A method of forming a fastener is provided, including (a) forming, from a thermoformable material, a preform product having a sheet-form base and an array of preform stems integrally molded with and extending from the base to corresponding terminal ends; (b) heating the terminal ends of the stems to a predetermined softening temperature, while maintaining the sheet-form base and a lower portion of each stem at a temperature lower than the softening temperature; and (c) contacting the terminal ends with a contact surface that is at a predetermined forming temperature, lower than the softening temperature, to deform the terminal ends to form heads therefrom that overhang the sheet-form base. Fasteners and other methods of forming them are also provided.
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