ARTIFICIAL TURF

• US 20080187689A1
• Filed: 02/07/2008
• Published: 08/07/2008
• Est. Priority Date: 02/07/2007
• Status: Abandoned Application

• Current Assignee: Domo, Inc.
• Original Assignee: Domo, Inc.
• Inventors: Fiolet, Arnoud, Dierkens, Philippe
• Application Number:
  US12/027,506
• Publication Number:
  US 20080187689A1
• Time in Patent Office: Days
• US Class Current: 428/17
• CPC Class Codes: D02G 3/445 Yarns or threads for use in floor fabrics floor fabrics A47G27/00; floor coverings on textile basis D06N7/0005
• CPC Class Codes: D06N 7/0065 characterised by the pile
• CPC Class Codes: D10B 2505/202 Artificial grass
• CPC Class Codes: E01C 13/08 Surfaces simulating grass ; Grass-grown sports grounds grass-like surfaces for skiing E01C13/12

Abstract

A tufted artificial turf having a flexible, water-permeable support fabric provided with tufts is disclosed. The tufts include parts of straight monofilament yarn and parts of curly monofilament yarn and are manufactured from a compound yarn formed by twining together the straight monofilament yarn with the curly monofilament yarn.

Claims

1. Tufted artificial turf comprising a flexible, water-permeable support fabric provided with tufts, wherein the tufts comprise parts of straight monofilament yarn and parts of curly monofilament yarn, wherein said tufts are manufactured from a compound yarn composed by twining together said straight monofilament yarn with the curly monofilament yarn.

2. Artificial turf according to claim 1, wherein said straight monofilament yarn and said curly monofilament yarn are manufactured from polyamide 6, polyamide 6.6 or polyamide 6.12, and preferably from polyamide 6.

3. Artificial turf according to claim 1, wherein a resting height of the curly yarn is between ⅕

to ⅗

, preferably ⅓

to ⅔

of the length of the straight monofilament yarn in the tufts and still more preferably amounts to approximately ½

thereof.

4. Artificial turf according to claim 1, wherein said straight and curly monofilament yarn each comprises 4 to 12 individual filaments, preferably 6 to 10 individual filaments, and more preferably 8 individual filaments.

5. Artificial turf according to claim 1, wherein said individual filaments of the straight monofilament yarn each have a yarn number of between 500 and 2000 dtex, preferably of between 750 and 1500 dtex, and most preferably of 1000 dtex.

6. Artificial turf according to claim 1, wherein said individual filaments of the curly monofilament yarn each have a yarn number of between 300 and 1500 dtex, preferably of between 500 and 1000 dtex, and most preferably of 750 dtex.

7. Artificial turf according to claim 1, wherein said individual filaments have a width of between 0.5 and 2 millimetre, preferably of between 0.75 and 1.5 millimetre, and most preferably of 0.9 millimetre.

8. Artificial turf according to claim 1, wherein said individual filaments have a thickness of between 50 μ

m and 200 μ

m, preferably of between 100 μ

m and 150 μ

m, and most preferably of 140 μ

m.

9. Artificial turf according to claim 1, wherein said composed yarn has a yarn number of between 10,000 and 20,000 dtex, preferably of between 12,000 and 16,000 dtex, more preferably of between 13,000 and 15,000 dtex, and most preferably of 14,000 dtex.

10. Artificial turf according to claim 1, wherein said tufts are arranged in rows which are located on mutual distances of between 4/16″

and 6/16″

.

11. Artificial turf according to claim 1, wherein said tufts have an average height of between 30 to 50 mm, preferably of between 35 to 40 mm and most preferably of 38 mm.

12. Artificial turf according to claim 1, wherein said artificial turf lacks an infill layer.