ABSORBENT CORE FOR DISPOSABLE ABSORBENT ARTICLE
First Claim
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1. A method of making an absorbent core for use in an absorbent article, said method comprising the steps of:
- a. providing a first absorbent fibrous web material;
b. providing a second absorbent fibrous web material;
c. providing a pair of rolls forming a nip through which said first and second absorbent fibrous web materials can be processed, said pair of rolls being selected from the processes consisting of, ring rolling, SELF, micro-SELF, and rotary knife aperturing;
d. deforming said first absorbent fibrous web material by processing through said pair of rolls;
e. deforming said second absorbent fibrous web material by processing through said pair of rolls; and
f. combining said first and second absorbent fibrous web materials to form said absorbent core.
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Abstract
A method of making an absorbent core for use in an absorbent article. The method comprising the steps of:
- a. providing a first absorbent fibrous web material;
- b. providing a second absorbent fibrous web material;
- c. providing a pair of rolls forming a nip through which the first and second absorbent fibrous web materials can be processed, the pair of rolls being selected from the processes consisting of, ring rolling, SELF, micro-SELF, and rotary knife aperturing;
- d. deforming portions of the first absorbent fibrous web material by processing through the pair of rolls;
- e. deforming portions of the second absorbent fibrous web material by processing through the pair of rolls; and
- f. combining the first and second absorbent fibrous web materials to form the absorbent core.
128 Citations
20 Claims
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1. A method of making an absorbent core for use in an absorbent article, said method comprising the steps of:
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a. providing a first absorbent fibrous web material; b. providing a second absorbent fibrous web material; c. providing a pair of rolls forming a nip through which said first and second absorbent fibrous web materials can be processed, said pair of rolls being selected from the processes consisting of, ring rolling, SELF, micro-SELF, and rotary knife aperturing; d. deforming said first absorbent fibrous web material by processing through said pair of rolls; e. deforming said second absorbent fibrous web material by processing through said pair of rolls; and f. combining said first and second absorbent fibrous web materials to form said absorbent core. - View Dependent Claims (2, 3, 4, 5, 6, 8)
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7. The method of claim 7, wherein said combining is achieved by a method selected from the group consisting of:
- adhesive bonding, thermal bonding, fiber entangling, latex bonding, and combinations thereof.
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9. A method of making an absorbent core for use in an absorbent article, said method comprising the steps of:
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a. providing a first airlaid absorbent fibrous web material; b. providing a second airlaid absorbent fibrous web material; c. providing a pair of rolls forming a nip through which said first and second absorbent fibrous web materials can be processed, said pair of rolls being selected from the processes consisting of, ring rolling, SELF, micro-SELF, and rotary knife aperturing; d. deforming portions of said first airlaid absorbent fibrous web material by processing through said pair of rolls; e. deforming portions of said second airlaid absorbent fibrous web material by processing through said pair of rolls; f. combining said first and second absorbent fibrous web materials to form said absorbent core. - View Dependent Claims (10, 11, 12, 13)
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14. A method of making an absorbent article, said method comprising the steps of:
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a. providing a topsheet material; b. providing a backsheet material; c. providing a first absorbent fibrous web material; d. providing a second absorbent fibrous web material; e. providing a pair of rolls forming a nip through which said first and second absorbent fibrous web materials can be processed, said pair of rolls being selected from the processes consisting of, ring rolling, SELF, micro-SELF, and rotary knife aperturing; f. deforming portions of said first absorbent fibrous web material by processing through said pair of rolls; g. deforming portions of said second absorbent fibrous web material by processing through said pair of rolls; h. combining said first and second absorbent fibrous web materials in a layered relationship to form a 2-layer absorbent core; and i. placing said 2-layer absorbent core between said topsheet and said backsheet and joining said layers in a layered relationship to form said absorbent article. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification