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EP0170922A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method for attaching plastic strip to sheet

Assignee: Kao Corp
•
Filing: 1985-07-10
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Granted: —
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Expires: 2005-07-10
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Abstract

Abstract A method for manufacturing a disposable diaper containing elastic strips which comprises continuously providing a running length of a sheet of material (1), continuously providing an elastic strip (4) in a stretched condition, intermittently applying a release agent (18) to selected portions of said stretched elastic strip, feeding said stretched elastic strip onto a portion of said sheet (1), said elastic strip being fixed to the sheet in the areas which are free of the release agent, and cutting the elastic strip in areas having release agents applied thereto together with said sheet.

Inventors

  • 👤 Yasushi Koizumi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 23:35
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15585; A61F13/15593

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 89 words
A method for manufacturing a disposable diaper containing elastic strips which comprises continuously providing a running length of a sheet of material, continuously providing an elastic strip in a stretched condition, intermittently applying a release agent to selected portions of said stretched elastic strip, feeding said stretched elastic strip onto a portion of said sheet, said elastic strip being fixed to the sheet in the areas which are free of the release agent, and cutting the elastic strip in areas having release agents applied thereto together with said sheet.
Claim 2
Independent Claim 89 words
A method for manufacturing a disposable diaper containing elastic strips which comprises continuously providing a running length of a sheet of material, continuously providing an elastic strip in a stretched condition, intermittently applying a release agent to selected portions of said stretched elastic strip, feeding said stretched elastic strip onto a portion of said sheet, said elastic strip being fixed to the sheet in the areas which are free of the release agent, and cutting the elastic strip in areas having release agents applied thereto together with said sheet.
Claim 3
Dependent Claim 31 words
The method of claim 1 wherein an absorbent material is applied to the sheet and adhesively affixed thereto to from a composite and a cover sheet is applied to said composite.
Claim 4
Dependent Claim 34 words
The method of claim 2 wherein the absorbent material is positioned in the middle of the sheet of material and elastic strips are adhered to said sheet on both sides of said absorbent material.
Claim 5
Dependent Claim 17 words
The method of claim 1 wherein the adhesive is applied in a plurality of longitudinally extending strips.
Claim 6
Dependent Claim 20 words
The method of claim 1 wherein the elastic strip is stretched by conveying it over rolls rotating at different speeds.

References Cited (Backward Citations)

DE2649948A1 Cited
US4333782A Cited
US4353762A Cited

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