Fasteners engageable with loops of nonwoven fabrics and with...

Details Fasteners engageable with loops of nonwoven fabrics and with... Fasteners engageable with loops of nonwoven fabrics and with...

2006-01-31

2006-01-31

Thomas, Alexander S. (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including sheet or component perpendicular to plane of web...

Reexamination Certificate

active

06991843

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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Velcro Fastener Application Publications, Velcro International Ltd., 7 pp (published prior to Jan. 15, 1998).

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