Method for post forming a rounded insertion end of a tampon pled

Details Method for post forming a rounded insertion end of a tampon pled Method for post forming a rounded insertion end of a tampon pled

1995-07-14

1997-06-03

Vanatta, Amy B.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

A61F 1320, D04H 106

Patent

active

056342489

ABSTRACT:
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.

REFERENCES:
patent: 2355628 (1944-08-01), Calhoun
patent: 2386590 (1945-10-01), Calhoun
patent: 3343225 (1967-09-01), Hochstrasser et al.
patent: 3422496 (1969-01-01), Wolff et al.
patent: 3515138 (1970-06-01), Hochstrasser et al.
patent: 5330421 (1994-07-01), Tarr et al.

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