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EP0172036A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Infant diaper with improved fit

Assignee: Weyerhaeuser Co
•
Filing: 1985-08-16
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Granted: —
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Expires: 2005-08-16
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Abstract

Abstract A disposable infant diaper is provided having a modified "T" configuration with a substantially rectangular absorbent core making the stem of the "T" and breathable fabric making the top of the "T". The breathable fabric is substantially non-yielding in a cross-direction. The closure means are Integral inside the top of the "T" which forms the back waistband portion.

Inventors

  • 👤 Gloria Huffman
  • 👤 Heinz A. Pieniak

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 00:52
CPC Classifications
A; A44; A44B; A44B13/00; A44B13/02; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/514; A61F13/15203; A61F2013/15284; A61F2013/15357; A61F13/45; A61F13/49; A61F2013/49068; A61F2013/49077

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 218 words
A disposable infant diaper having a modified "T" configuration comprising: (a) a substantially rectangular absorbent core, said core comprising a substantially rectangular absorbent panel superposed on a liquid barrier, said barrier being substantially the same shape as said panel but extending slightly beyond each edge of said panel, said core forming the stem of the "T" and extending substantially the entire length of the "T"; (b) a first breathable fabric forming the top of the "T" and extending beyond the stem of the * T" on the outerside of said barrier to form margins; (c) a second breathable fabric covering said absorbent core and extending beyond said core at least sufficiently to be adhered to said first breathable fabric in the margins; (d) elastic gathering means secured between said first and second breathable fabrics in said margin along the stem of the "T" in at least the central portion thereof; and (e) closure means attached on the inside of each terminating end of the top of the "T"; said "T" configuration being modified by extending portions of at least one of said breathable fabrics at the base of the "T" along a small portion of the stem of the "T" on each side in substantially equal portions, and said breathable fabrics being substantially non-extendible in a cross-wise direction.
Claim 2
Dependent Claim 218 words
A disposable infant diaper having a modified "T" configuration comprising: (a) a substantially rectangular absorbent core, said core comprising a substantially rectangular absorbent panel superposed on a liquid barrier, said barrier being substantially the same shape as said panel but extending slightly beyond each edge of said panel, said core forming the stem of the "T" and extending substantially the entire length of the "T"; (b) a first breathable fabric forming the top of the "T" and extending beyond the stem of the * T" on the outerside of said barrier to form margins; (c) a second breathable fabric covering said absorbent core and extending beyond said core at least sufficiently to be adhered to said first breathable fabric in the margins; (d) elastic gathering means secured between said first and second breathable fabrics in said margin along the stem of the "T" in at least the central portion thereof; and (e) closure means attached on the inside of each terminating end of the top of the "T"; said "T" configuration being modified by extending portions of at least one of said breathable fabrics at the base of the "T" along a small portion of the stem of the "T" on each side in substantially equal portions, and said breathable fabrics being substantially non-extendible in a cross-wise direction.
Claim 3
Dependent Claim 148 words
The disposable diaper of Claim 1 wherein the length the "T" configuration is x, the width across the top of the "T" is about 0.8x, the width of the base of the sten of the "T" is from about 0.5x to about 0.55x, the width of the stem of the "T" at the transverse axis at the center of the length of the product is from about 0.45x to about 0.50x, the length of the panel is about 0.9x, the width of the panel is about 0.25x, the length of the elastic is about 0.65x, said elastic length being distributed about 55 percent above the transverse axis and about 45 percent below the transverse axis, and said elastic width being at least about 0.5 inch, and said closure longitudinal length is at least about 0.08x and the terminating ends of the top of the "T" are about O.lx.
Claim 4
Dependent Claim 21 words
The disposable diaper of Claim 1 or Claim 2 wherein said absorbent panel comprises a batt of loosely compacted cellulosic fibers.
Claim 5
Dependent Claim 14 words
The disposable diaper of Claim 3 wherein said cellulosic fibers are wood pulp fibers.
Claim 6
Dependent Claim 21 words
The disposable diaper of Claim 1 or Claim 2 wherein said absorbent panel is comprised of a compressed composite containing superabsorbent.
Claim 7
Dependent Claim 24 words
The disposable diaper of any one of Claims 1 to 5 wherein .said breathable fabric is comprised of a spun bonded polypropylene nonwoven fabric.
Claim 8
Dependent Claim 23 words
The disposable diaper of any one of Claims 1 to 6 wherein said elastic gathering means is comprised of multiple strands of elastic.
Claim 9
Dependent Claim 25 words
The disposable diaper of Claim 7 wherein said strands of elastic are substantially parallel to each other and are at least about 1/16 inch apart.
Claim 10
Dependent Claim 22 words
9 . The disposable diaper of any one of Claims 1 to 8 wherein said liquid barrier is comprised of polyethylene film.
Claim 11
Dependent Claim 19 words
The disposable diaper of any one of Claims 1 to 9 wherein said closure means are adhesive closure means.
Claim 12
Dependent Claim 23 words
The disposable diaper of Claim 10 wherein said adhesive closure means are masses of adhesive deposited on the fabric in the diaper ears.

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