Tampon applicator having outwardly flared rim

Details Tampon applicator having outwardly flared rim Tampon applicator having outwardly flared rim

2005-08-30

2005-08-30

Colaianni, Michael P. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Plural sequential shaping or molding steps on same workpiece

C264S296000, C264S313000, C264S318000, C264S320000, C264S322000, C264S334000, C264S339000, C425S393000, C425S403000, C425S414000, C425S417000, C425S438000

Reexamination Certificate

active

06936211

ABSTRACT:
Methods for making a tubular device that has a rim disposed at one end thereof. In one method, a sleeve having an expandable profiling surface is inserted into an end of the tubular member, and the profiling surface is expanded to form a shoulder projecting outwardly from the tubular member adjacent the end of the tubular member. The profiling surface is collapsed inwardly away from tubular member, and a return margin is formed directed inwardly from the shoulder, distal the tubular member. In another method, return margin of the tubular device adjacent an end is folded inwardly and superposed on an inner surface of the tubular device adjacent the folded margin. A sleeve having an expandable profiling surface is inserted into the end of the tubular device, and the profiling surface is expanded to form the rim comprising a shoulder projecting outwardly from the tubular member and the return margin. As a result, the fold between the shoulder and the return margin defines an edge of the tubular member.

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