Fasteners engageable with loops of nonwoven fabrics and with other open structures, and methods and machines for making fasteners
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 31, 2006
Grant Date -
Jun 12, 2003
app pub date -
Jun 4, 2002
filing date -
Jan 15, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
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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