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US4681580: Disposable diapers with unitary waistshield and elastically expansible waistbands

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Filing Information

Inventor(s) George S. Reising · Jerry L. Dragoo ·
Assignee(s) The Procter & Gamble Company ·
Attorney/Agent(s) John M. Pollaro ·
Primary Examiner John D. Yasko ·
Application Number US6717749
Filing date 03/29/1985
Issue date 07/21/1987
Predicted expiration date 03/29/2005
U.S. Classifications 604/385.A  ·
International Classifications A61F 1316  ·
Kind CodeA
International Classifications 604358;385 A;386;379;380;382;396;385.2 ·
6 Claims, No Drawings


Abstract

Disposable diapers having liquid impermeable waistshields and elastically expansible waistbands. The waistshields and waistbands are formed of a single--unitary--liquid impermeable material. In preferred embodiments, the waistshield/waistband is formed of a material which has a heat unstable state and a heat stable and elastic state. In diapers ready for use, the waistband portion is relatively more heat stable and elastic than the waistshield portion.

Independent Claims | See all claims (6)

  1. 1. A disposable diaper having at least one elastically expansible waistband extending across at least a portion of at least one lateral edge of said diaper, said diaper comprising:(a) A fluid permeable topsheet;(b) A liquid impermeable backsheet;(c) An absorbent core interposed between said topsheet and said backsheet; and(d) At least one unitary waistshield and elastically expansible waistband member having an inward portion and an outward portion, said member extending along at least a portion of said at least one lateral edge of said diaper, said inward portion of said member interposed between said topsheet and said absorbent core, said outward portion of said member interposed between said topsheet and said backsheet and being affixed thereto,wherein said at least one elastically expansible waistband comprises said outward portion of said unitary waistshield and elastically expansible waistband member.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US4090515 Colgate-Palmolive Company Karami May 1978
US4397645 The Procter & Gamble Company Buell Aug 1983
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US4486192 Kimberly-Clark Corporation Sigl Dec 1984
US4515595 The Procter & Gamble Company Kievet et al. May 1985
US4578071 The Procter & Gamble Company Buell Mar 1986

Referenced By

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