Mats for use in paved surfaces
First Claim
1. A paving mat for use in a paved surface comprising:
- a fibrous mat in the form of a paving mat, the fibrous mat including a fibrous matrix comprising a mixture of polymer fibers, first mineral fibers having a first median length, and second mineral fibers having a second median length that is different from the first median length;
wherein the mat has an average tensile strength in the machine direction of within the range of from about 70 lbf (311.4 N) to about 110 lbf (489.4 N).
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Accused Products
Abstract
A paving mat for use in a paved surface includes a fibrous mat in the form of a paving mat. The fibrous mat includes a fibrous matrix containing a mixture of polymer fibers, first mineral fibers having a first median length, and second mineral fibers having a second median length that is different from the first median length. In another embodiment, the paving mat includes a fibrous mat including a fibrous matrix which is bonded together by a binder. In one embodiment, the binder is a mixture of different binders. The fibrous matrix includes a mixture of mineral fibers in an amount within a range of from 61 wt % to 85 wt % and polymer fibers in an amount within a range of from 15 wt % to 39 wt %. The polymer fibers have a melting point greater than 320° F. (160° C.). The mat has a stiffness in the machine direction within a range of from 65 g-cm to 110 g-cm. The mat has a load-elongation behavior such that when the mat is subject to tensile stress, the mat achieves at least 90% of its ultimate load at an elongation not greater than 5% of the specimen length in the direction of applied stress. Another embodiment of the paving mat is made with a carboxy-modified acrylic binder.
142 Citations
29 Claims
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1. A paving mat for use in a paved surface comprising:
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a fibrous mat in the form of a paving mat, the fibrous mat including a fibrous matrix comprising a mixture of polymer fibers, first mineral fibers having a first median length, and second mineral fibers having a second median length that is different from the first median length; wherein the mat has an average tensile strength in the machine direction of within the range of from about 70 lbf (311.4 N) to about 110 lbf (489.4 N). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A paving mat for use in a paved surface comprising:
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a fibrous mat including a fibrous matrix which is bonded together by a binder, the fibrous matrix comprising a mixture of mineral fibers in an amount within a range of from 61 wt % to about 85 wt % and polymer fibers in an amount within a range of from about 15 wt % to 39 wt %, the polymer fibers having a melting point greater than about 320°
F. (160°
C.);the mat having a stiffness in a machine direction within a range of from about 65 g-cm to about 110 g-cm, and the mat having a load-elongation behavior such that when the mat is subject to tensile stress, the mat achieves at least 90% of its ultimate load at an elongation not greater than 5% of the specimen length in the direction of applied stress; wherein the mat has an average tensile strength in the machine direction of at least about 70 lbf (311.4 N). - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A paving mat for use in a paved surface comprising:
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a fibrous mat including a fibrous matrix which is bonded together by a carboxy-modified acrylic binder, the fibrous matrix comprising a mixture of mineral fibers in an amount within a range of from 61 wt % to about 85 wt % and polymer fibers in an amount within a range of from about 15 wt % to 39 wt %, the polymer fibers having a melting point greater than about 320°
F. (160°
C.);the mat having a stiffness in a machine direction within a range of from about 65 g-cm to about 110 g-cm, and the mat having a load-elongation behavior such that when the mat is subject to tensile stress, the mat achieves at least 90% of its ultimate load at an elongation not greater than 5% of the specimen length in the direction of applied stress; wherein the mat has an average tensile strength in the machine direction of at least about 70 lbf (311.4 N). - View Dependent Claims (28, 29)
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Specification