BOND PATTERNS FOR FIBROUS WEBS
First Claim
Patent Images
1. A bonded fibrous web comprising a bond pattern with bonds, wherein:
- each of the bonds has a same overall length measured linearly from a first end of the bond to a second end of the bond and forming the bond'"'"'s longest dimension;
each of the bonds has a same overall width measured linearly perpendicular to the overall length across the bond'"'"'s widest width;
each of the bonds has a shape ratio, which is the ratio of the bond'"'"'s overall width to the bond'"'"'s overall length;
each shape ratio is less than or equal to 0.33;
the fibrous web includes a primary direction and a secondary direction that is orthogonal to the primary direction;
the bond pattern includes bonds, with at least some of the bonds laid out in primary rows that are parallel with the primary direction and at least some of the bonds laid out in secondary rows that are parallel with the secondary direction;
the bond pattern includes a shortest primary distance, measured linearly in the primary direction, between a bond in a secondary row and a bond in an adjacent secondary row;
the bond pattern has a shortest primary distance percentage, which is the shortest primary distance divided by the overall length of the bonds, times one hundred;
the shortest primary distance percentage is from −
80% to 0%; and
the bond pattern has a bond area that is less than or equal to 20%.
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Abstract
Bond patterns for fibrous webs.
126 Citations
27 Claims
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1. A bonded fibrous web comprising a bond pattern with bonds, wherein:
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each of the bonds has a same overall length measured linearly from a first end of the bond to a second end of the bond and forming the bond'"'"'s longest dimension; each of the bonds has a same overall width measured linearly perpendicular to the overall length across the bond'"'"'s widest width; each of the bonds has a shape ratio, which is the ratio of the bond'"'"'s overall width to the bond'"'"'s overall length; each shape ratio is less than or equal to 0.33; the fibrous web includes a primary direction and a secondary direction that is orthogonal to the primary direction; the bond pattern includes bonds, with at least some of the bonds laid out in primary rows that are parallel with the primary direction and at least some of the bonds laid out in secondary rows that are parallel with the secondary direction; the bond pattern includes a shortest primary distance, measured linearly in the primary direction, between a bond in a secondary row and a bond in an adjacent secondary row; the bond pattern has a shortest primary distance percentage, which is the shortest primary distance divided by the overall length of the bonds, times one hundred; the shortest primary distance percentage is from −
80% to 0%; andthe bond pattern has a bond area that is less than or equal to 20%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A disposable absorbent article comprising a bonded fibrous web having a bond pattern with bonds, wherein:
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each of the bonds has a same overall length measured linearly from a first end of the bond to a second end of the bond and forming the bond'"'"'s longest dimension; each of the bonds has a same overall width measured linearly perpendicular to the overall length across the bond'"'"'s widest width; each of the bonds has a shape ratio, which is the ratio of the bond'"'"'s overall width to the bond'"'"'s overall length; each shape ratio is less than or equal to 0.05; the fibrous web includes a primary direction and a secondary direction that is orthogonal to the primary direction; the bond pattern includes bonds, with at least some of the bonds laid out in primary rows that are parallel with the primary direction and at least some of the bonds laid out in secondary rows that are parallel with the secondary direction; the bond pattern includes a shortest primary direction distance, measured linearly in the primary direction, between a bond in a secondary row and a bond in an adjacent secondary row; the bond pattern has a shortest primary direction distance percentage, which is the shortest primary direction distance divided by the overall length of the bonds; the shortest primary direction distance percentage is from −
80% to −
20%;the bond pattern includes a shortest secondary direction distance, measured linearly in the secondary direction, between a bond in a primary row and a bond in an adjacent primary row; the bond pattern has a shortest secondary direction distance percentage, which is the shortest secondary direction distance divided by the overall length of the bonds; the shortest primary direction distance percentage is from −
80% to −
20%;the bond pattern has a bond area that is less than or equal to 15%; each of the bonds is oriented at a particular bond angle, which is the acute angle formed between the overall length of the bond and the secondary direction; the particular angle is from 30°
to 40°
; andeach of the bonds has an overall width that is less than or equal to 0.5 mm.
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Specification
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Current AssigneeThe Procter & Gamble Company
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Original AssigneeThe Procter & Gamble Company
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InventorsLooney, Michael Timothy, LU, Jon Aaron, Qureshi, Khalid, Isele, Olaf Erik Alexander, Turner, Robert Haines
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Application NumberUS13/035,274Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current428/196CPC Class CodesD04H 1/62 at spaced points or locationsD04H 1/66 at spaced points or locatio...D04H 3/12 with filaments or yarns sec...D04H 3/14 with bonds between thermopl...Y10T 428/2481 including layer of mechanic...
