METHOD OF MAKING ABSORBENT CORE STRUCTURES WITH UNDULATIONS
First Claim
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1. A method of making an absorbent core structure, comprising:
- meltspinning at least one layer of fibrous material, forming at least one valley separating at least two peaks in substantially parallel rows in the layer of fibrous material, folding a first portion of the first layer of fibrous material over a second portion of the first layer of fibrous material, and densifying at least part of the first layer of fibrous material.
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Abstract
A method of making an absorbent core structure includes meltspinning at least one layer of fibrous material. At least one valley is formed separating at least two peaks in substantially parallel rows in the layer of fibrous material. A first portion of the first layer of fibrous material is folded over a second portion of the first layer of fibrous material. A least part of the first layer of fibrous material is densified.
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Citations
23 Claims
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1. A method of making an absorbent core structure, comprising:
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meltspinning at least one layer of fibrous material, forming at least one valley separating at least two peaks in substantially parallel rows in the layer of fibrous material, folding a first portion of the first layer of fibrous material over a second portion of the first layer of fibrous material, and densifying at least part of the first layer of fibrous material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of making an absorbent core structure from a layer of fibrous material, comprising:
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meltspinning at least a first layer of fibrous material, forming at least one valley separating at least two peaks in substantially parallel rows in the first layer of fibrous material, placing a second layer of a second fibrous material against the peaks and the valley, and densifying the fibrous material forming the peaks of the first layer and an area of the second layer placed against the peaks. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification