Artificial grass field
AssigneeTapijtfabriek H. Desseaux N.V.
InventorPeter Van Reijen
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Abstract
An artificial grass fiber is formed, which fiber has an elongated cross-section that remains substantially constant along its longitudinal axis. An artificial lawn comprising these artificial grass fibers is provided, as well as to the use of the aforesaid artificial grass fibers. The fibers collectively provide a special type of artificial grass which imitates the advantageous characteristics of natural grass, in particular in the field of ball roll and sliding characteristics.
Claims21
An artificial grass fiber having an elongated cross-section that remains substantially constant along its longitudinal axis, wherein said cross-section is wedge-shaped, said wedge shape having a length A and a width B, the ratio A:B being in the 2-12.5 range, wherein the artificial grass fiber comprises a core and a cladding, with the core and the cladding being made of different materials, the material for the core comprising one or more of polyesters, polypropylene, ethyl vinyl acetate, saturated styrene thermoplastic elastomer, polyamides, polyethylene compounds and copolymers of ethylene and acrylate, or combinations thereof.
An artificial grass fiber having an elongated cross-section that remains substantially constant along its longitudinal axis, wherein said cross-section is wedge-shaped, said wedge shape having a length A and a width B, the ratio A:B being in the 2-12.5 range, wherein the width B is in the 200-500 μm range, and wherein the artificial grass fiber comprises a core and a cladding, with the core and the cladding being made of different materials, the material for the core comprising one or more of polyesters, polypropylene, ethyl vinyl acetate, saturated styrene thermoplastic elastomer, polyamides, polyethylene compounds and copolymers of ethylene and acrylate, or combinations thereof.
An artificial grass fiber having an elongated cross-section that remains substantially constant along its longitudinal axis, wherein said cross-section is wedge-shaped, said wedge shape having a length A and a width B, the ratio A:B being in the 2-12.5 range, wherein the length A is in the 1-2.5 mm range, and wherein the artificial grass fiber comprises a core and a cladding, with the core and the cladding being made of different materials, the material for the core comprising one or more of polyesters, polypropylene, ethyl vinyl acetate, saturated styrene thermoplastic elastomer, polyamides, polyethylene compounds and copolymers of ethylene and acrylate, or combinations thereof.
A method for producing an artificial grass fiber comprising the steps of:
- (a) providing a core material and a cladding material to be extruded;
- (b) coextruding the core material and the cladding material in an extruder;
- and
- (c) stretching the material exiting the extruder to a degree of 1:3-1:7 to produce an artificial grass fiber;
- wherein the artificial grass fiber has an elongated cross-section that remains substantially constant along its longitudinal axis, wherein said cross-section is wedge-shaped, said wedge shape having a length A and a width B, the ratio A:B being in the 2-12.5 range, and wherein the artificial grass fiber comprises a core and a cladding, with the core and the cladding being made of different materials, the material for the core comprising one or more of polyesters, polypropylene, ethyl vinyl acetate, saturated styrene thermoplastic elastomer, polyamides, polyethylene compounds and copolymers of ethylene and acrylate, or combinations thereof.
Dependencies are inferred from the claim text.