U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Absorbent article with multi-directional extensible side panels

Patent 6004306 Issued on December 21, 1999. Estimated Expiration Date: Icon_subject August 20, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2743725

3800796

3860003

3867946

Tab fastener having substantially coplanar diverging anchoring legs
Patent #: 4010754
Issued on: 03/08/1977
Inventor: Pieniak

Disposable diaper reinforcement
Patent #: 4055182
Issued on: 10/25/1977
Inventor: Mack

4090516

Diaper with elastic fastener
Patent #: 4209016
Issued on: 06/24/1980
Inventor: Schaar

Padded undergarment for physical fitness
Patent #: 4229835
Issued on: 10/28/1980
Inventor: Shaw

Washable diaper
Patent #: 4338938
Issued on: 07/13/1982
Inventor: Seavitt

More ...

Inventors

Application

No. 915471 filed on 08/20/1997

US Classes:

604/385.21, Hourglass shape604/385.29, And waist opening604/386, Pad having means for securing pad during use604/394Abdominal enclosing type

Examiners

Primary: Weiss, John G.
Assistant: Reichle, K. M.

Attorney, Agent or Firm

Foreign Patent References

  • 0 487 921 A2 EP. 06/21/1992
  • 0 547 497 A2 EP. 06/21/1993
  • 418181 SU 03/21/1974
  • 2 080 093 GB. 02/21/1982
  • WO 92/07531 WO. 05/21/1992
  • WO-A-95/13775 WO. 05/21/1995
  • WO 96/21412 WO. 07/21/1996
  • WO 96/29038 WO. 09/21/1996
  • WO-A-96/35402 WO. 11/21/1996

International Class

A61F 013/18

Abstract

Absorbent articles such as disposable diapers, incontinent briefs, diaper holders, training pants, feminine hygiene garments, and the like, having extensible side panel features that improve the dynamic fit of the diaper around the legs and waist of the wearer. Such absorbent articles include a containment assembly including a liquid pervious topsheet; a liquid impervious backsheet; an absorbent core disposed between the topsheet and the backsheet; and extensible side panels, each including a waist panel and a thigh panel disposed along each longitudinal edge of the containment assembly in the first waist region. The waist panel and the thigh panel are operatively associated so that the waist panel has a primary direction of extensibility in one direction and the thigh panel has a primary direction of extensibility in a different direction. This forms a multi-directional extensible side panel wherein the waist panel provides tension around the wearer's waist to maintain fit about the waist and to hold the diaper on the wearer, and the thigh panel expands and contracts to maintain a dynamic fit around the leg of the wearer. Thus, the waist and thigh panels reduce the negative effects of the dynamic forces on the absorbent article, such as sagging and gapping that can cause leakage, while increasing freedom of motion and wearer comfort.

Other References

  • Translation of Japanese 47428/1992
  • Translation of Japanese 58610/1989
  • Translation of JP 2,682,96
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