# US 2013/0156501 A1 · Reinforced fiber mats for use in paved surfaces

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- Number: US 2013/0156501 A1
- Document ID: US20130156501A1
- Status: Published application
- Kind: A1
- Application number: 13/713,418
- Filed: 2012-12-13
- Published: 2013-06-20
- Earliest claimed: 2011-12-16
- Inventors: WILLIAM SCOTT HEMPHILL
- Web page: https://patentgrep.com/patent/US20130156501A1

## CPC

- E01C 11/005: {Methods or materials for repairing pavings (E01C7/35 takes precedence; for concrete coverings E01C7/147; for bituminous coverings E01C7/187; devices for repair works E01C23/06; repairing bridge floorings E01D22/00)}
- B32B 5/022: {Non-woven fabric}
- B32B 5/028: {Net structure, e.g. spaced apart filaments bonded at the crossing points}
- B32B 5/06: characterised by a fibrous {or filamentary} layer {mechanically connected, e.g. by needling} to another layer, e.g. of fibres, of paper
- B32B 5/12: characterised by the relative arrangement of fibres or filaments of {different layers, e.g. the fibres or filaments being parallel or perpendicular to each other}
- B32B 5/26: another layer {next to it} also being fibrous or filamentary {(relative arrangement of fibres or filaments of different layers B32B5/12)}
- E01C 7/185: {Isolating, separating or connecting intermediate layers, e.g. adhesive layers; Transmission of shearing force in horizontal intermediate planes, e.g. by protrusions (E01C7/187 takes precedence; adhesive layers for materials E01C7/35)}
- E01C 11/165: {particularly for bituminous or rubber- or plastic-bound pavings (bituminated textile webs E01C5/12)}
- B32B 2255/02: on fibrous or filamentary layer
- B32B 2255/10: on synthetic resin layer or on natural or synthetic rubber layer
- B32B 2262/02: Synthetic macromolecular fibres
- B32B 2262/10: Inorganic fibres
- B32B 2262/14: Mixture of at least two fibres made of different materials
- B32B 2556/00: Patches, e.g. medical patches, repair patches
- Y10T 428/24124: Fibers
- Y10T 428/249921: Web or sheet containing structurally defined element or component
- Y10T 442/603: Including strand or fiber material precoated with other than free metal or alloy
- E01C: CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming roads or like surfaces by compacting or grading snow or ice E01H)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A reinforcement mat that can be used to improve the durability and life of an asphalt paved surface. The reinforcement mat is partially or fully coated with a resin. The resin generally has a cure temperature in excess of about 140° F.

## Claims

### Claim 1

A reinforcement mat comprising a first and second layer of fiber material, each of said layers of fiber material formed of a plurality of fibers or fiber sets that are spaced apart from one another and positioned generally parallel to one another, a plurality of fibers or fiber sets of said first layer of fiber material positioned non-parallel to a plurality of fibers or fiber sets of said second layer of fiber material, said first and second layers of fiber material connected together, a plurality of fibers or fiber sets of said first layer of fiber material, a plurality of fibers or fiber sets of said second layer of fiber material, or combinations thereof are at least partially coated with a layer of resin.

### Claim 2 (depends on 1)

The reinforcement mat as defined in claim 1, wherein said fibers or fiber sets are formed of a material selected from the group consisting of glass fibers, carbon fibers, quartz fibers, Kevlar® fibers, boron fibers, polyethylene fibers, polyamide fibers, polypropylene fibers.

### Claim 3 (depends on 1)

The reinforcement mat as defined in claim 1, wherein said resin includes thermo-set or thermoplastic resin that includes a material selected from the group consisting of epoxy, polyester, vinyl ester and PEET.

### Claim 4 (depends on 2)

The reinforcement mat as defined in claim 2, wherein said resin includes thermo-set or thermoplastic resin that includes a material selected from the group consisting of epoxy, polyester, vinyl ester and PEET.

### Claim 5 (depends on 1)

The reinforcement mat as defined in claim 1, including a non-woven backing that is connected to said first layer of fiber material, said second layer of fiber material, or combinations thereof.

### Claim 6 (depends on 4)

The reinforcement mat as defined in claim 4, including a non-woven backing that is connected to said first layer of fiber material, said second layer of fiber material, or combinations thereof.

### Claim 7 (depends on 1)

The reinforcement mat as defined in claim 1, including a third layer of fiber material, said third layer of fiber material is formed of a plurality of fibers or fiber sets that are spaced apart from one another and positioned generally parallel to one another, a plurality of fibers or fiber sets of said third layer of fiber material positioned non-parallel to a plurality of fibers or fiber sets of said first and second layers of fiber material, said third layer of fiber material connected to said second layer of fiber material, a plurality of fibers or fiber sets of said third layer of fiber material is at least partially coated with a layer of resin.

### Claim 8 (depends on 6)

The reinforcement mat as defined in claim 6, including a third layer of fiber material, said third layer of fiber material is formed of a plurality of fibers or fiber sets that are spaced apart from one another and positioned generally parallel to one another, a plurality of fibers or fiber sets of said third layer of fiber material positioned non-parallel to a plurality of fibers or fiber sets of said first and second layers of fiber material, said third layer of fiber material connected to said second layer of fiber material, a plurality of fibers or fiber sets of said third layer of fiber material is at least partially coated with a layer of resin.

### Claim 9 (depends on 7)

The reinforcement mat as defined in claim 7, including a non-woven backing that is connected to said second layer of fiber material, said third layer of fiber material, or combinations thereof.

### Claim 10 (depends on 8)

The reinforcement mat as defined in claim 8, including a non-woven backing that is connected to said second layer of fiber material, said third layer of fiber material, or combinations thereof.

### Claim 11

A method for repairing pavement comprising the steps of:
a. applying at least one layer of a reinforcement mat onto a sub-base of a road or path or sidewalk, said sub-base including crushed stone, asphalt, bitumen, rocks, ceramic, crushed ceramic, or concrete, said reinforcement mat comprising a first and second layers of fiber material, each of said layers of fiber material formed of a plurality of fibers or fiber sets that are spaced apart from one another and positioned generally parallel to one another, a plurality of fibers or fiber sets of said first layer of fiber material positioned non-parallel to a plurality of fibers or fiber sets of said second layer of fiber material, said first and second layers of fiber material connected together, a plurality of fibers or fiber sets of said first layer of fiber material, a plurality of fibers or fiber sets of said second layer of fiber material, or combinations thereof are at least partially coated with a layer of resin; and,
b. applying at least one layer of asphalt or bitumen material on top of said at least one layer of said reinforcement mat, said asphalt or bitumen material having a temperature of at least about 45° F.

### Claim 12 (depends on 11)

The method as defined in claim 11, further including the step of:
c. applying a compressive pressure to said at least one layer of asphalt or bitumen material to compress said at least one layer of said asphalt or bitumen material onto said at least one layer of said reinforcement mat to cause said resin to at least partially melt and form a bond between said at least one layer of a reinforcement mat and said sub-base and said at least one layer of a reinforcement mat and said applied asphalt or bitumen material layer.

### Claim 13 (depends on 11)

The method as defined in claim 11, wherein said fibers or fiber sets are formed of a material selected from the group consisting of glass fibers, carbon fibers, quartz fibers, Kevlar® fibers, boron fibers, polyethylene fibers, polyamide fibers, polypropylene fibers.

### Claim 14 (depends on 12)

The method as defined in claim 12, wherein said fibers or fiber sets are formed of a material selected from the group consisting of glass fibers, carbon fibers, quartz fibers, Kevlar® fibers, boron fibers, polyethylene fibers, polyamide fibers, polypropylene fibers.

### Claim 15 (depends on 11)

The method as defined in claim 11, wherein said resin includes thermo-set or thermoplastic resin that includes a material selected from the group consisting of epoxy, polyester, vinyl ester and PEET.

### Claim 16 (depends on 14)

The method as defined in claim 14, wherein said resin includes thermo-set or thermoplastic resin that includes a material selected from the group consisting of epoxy, polyester, vinyl ester and PEET.

### Claim 17 (depends on 11)

The method as defined in claim 11, including a non-woven backing that is connected to said first layer of fiber material, said second layer of fiber material, or combinations thereof.

### Claim 18 (depends on 16)

The method as defined in claim 16, including a non-woven backing that is connected to said first layer of fiber material, said second layer of fiber material, or combinations thereof.

### Claim 19 (depends on 11)

The method as defined in claim 11, including a third layer of fiber material, said third layer of fiber material is formed of a plurality of fibers or fiber sets that are spaced apart from one another and positioned generally parallel to one another, a plurality of fibers or fiber sets of said third layer of fiber material positioned non-parallel to a plurality of fibers or fiber sets of said first and second layers of fiber material, said third layer of fiber material connected to said second layer of fiber material, a plurality of fibers or fiber sets of said third layer of fiber material is at least partially coated with a layer of resin.

### Claim 20 (depends on 18)

The method as defined in claim 18, including a third layer of fiber material, said third layer of fiber material is formed of a plurality of fibers or fiber sets that are spaced apart from one another and positioned generally parallel to one another, a plurality of fibers or fiber sets of said third layer of fiber material positioned non-parallel to a plurality of fibers or fiber sets of said first and second layers of fiber material, said third layer of fiber material connected to said second layer of fiber material, a plurality of fibers or fiber sets of said third layer of fiber material is at least partially coated with a layer of resin.

### Claim 21 (depends on 19)

The method as defined in claim 19, including a non-woven backing that is connected to said second layer of fiber material, said third layer of fiber material, or combinations thereof.

### Claim 22 (depends on 20)

The reinforcement mat as defined in claim 20, including a non-woven backing that is connected to said second layer of fiber material, said third layer of fiber material, or combinations thereof.
