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US4508531: Convolutely wound paper tampon tube

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Filing Information

Inventor(s) Howard A. Whitehead ·
Assignee(s) Kimberly-Clark Corporation ·
Attorney/Agent(s) Howard Olevsky ·
Primary Examiner John D. Yasko ·
Application Number US6446838
Filing date 12/06/1982
Issue date 04/02/1985
Predicted expiration date 12/06/2002
U.S. Classifications 604/14  · 604/904  ·
International Classifications A61F 1500  ·
Kind CodeA
International Classifications 60414;15;904;16;17;18;19 ·
1 Claims, No Drawings


Abstract

A flexible convolutely wound paper tampon tube is provided in which a thermoplastic coating on either the interior or the exterior portion of the tube is present in an amount to maintain the tube configuration.

Independent Claims | See all claims (1)

  1. 1.1. Convolutely wound flexible paper tampon tube designed to surround a tampon pledget with said tube having a hemispherical edge with a thermosensitive coating, a gripping end and insertion end; said insertion end comprising a plurality of nonoverlapping, multi-layered aligned arcuate lobes, each of said lobes scored near its base to increase flexibility, said lobes collectively deformable to form a hemispherical profile and cover said hemispherical leading edge of said tampon.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US3581744 Voss et al. Jun 1971
US3954104 Personal Products Company Kraskin et al. May 1976
US4273125 Kao Soap Co., Ltd. Sakurai Jun 1981
US4412833 Henkel Kommanditgesellschaft auf Aktien Wiegner et al. Nov 1983

Referenced By

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EP0551758 TAMBRANDS, INC. Terese A. Campion et al. Aug 2001
EP0667760 TAMBRANDS, INC. Max FRAYMAN et al. Nov 1996
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