Method for post forming a rounded insertion end of a tampon pledget of an open-ended applicator

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United States of America Patent

PATENT NO 5634248
SERIAL NO

08502589

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided a method for forming a round, hemispherical shape at the forward insertion end of a tampon pledget after the pledget has been assembled within a tampon applicator. The pledget is assembled within the applicator so that a portion of its fibers is exposed at an open insertion end of the applicator. After assembly, an insertion end formation tool is applied to the exposed fibers to form a depression in the middle of the insertion end and a full periphery cushion that flares peripherally outward from the depression. The insertion end formation tool has a reverse-donut shaped curvature with a central projection or spike. The central spike reduces the axial force necessary to form the full periphery cushion by radially displacing the fibers in the central location or middle of the insertion end of the pledget. With the insertion end formed in accordance with the method of present invention, the full periphery cushion provides a rounded, forward or insertion end to facilitate an application of the tampon for its intended use.

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Patent Owner(s)

  • CREDIT SUISSE FIRST BOSTON, AS ADMINISTRATIVE AGENT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McNelis, Thomas C Dover, DE 4 161
Rejai, Jamshid Dover, DE 14 1124
Weber, Richard A Smyrna, DE 11 225

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