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Document Number
US Patent 7399514
Issued Date
July 15, 2008
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Inventors
De Clerck; Jan (Waasmunster,BE)
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Abstract
The present invention provides new types of synthetic turf. The synthetic turf includes a pile fabric having a backing (1) and tufts (2) projecting therefrom. In one embodiment, at least a number of the tufts are made of a composite yarn formed by at least one fibrillated yarn (6) together with a number of individual filament yarns (7), in particular with so-called monofilament or monotape yarns. The fibrillated yarn and the individual filament yarns are preferably made of polyethylene so that the synthetic turf is sliding-friendly. In another embodiment, at least a number of the tufts are made of a composite yarn formed by monotape yarns twisted together with a number of the monofilament yarns. The monofilament and monotape yarns are preferably made of polyethylene so that the synthetic turf is sliding-friendly. The combination of a fibrillated yarn and individual filament yarns or the combination of monofilament and monotape yarns in a composite yarn allows immediate achievement of the look of natural grass, that is, without post-fibrillation, and avoids any visible difference in wear pattern between the different types of yarns. In another embodiment, the invention also provides improved particulate material for use as infill material for top-dressing a synthetic turf.
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Number of Claims:
29
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Owner
Domo Zele N.V. (Zele,BE)
Published
July 15, 2008
Application Number
10/547,631
Filed
March 5, 2004
US Classification
428/92   428/17 428/377 428/87 428/97 57/210 57/236
Int'l Classification
E01C   13/08   (20060101)   B32B   33/00   (20060101)   D02G   3/38   (20060101)  
Examiner
Priority Data
Mar 05, 2003 [EP] 03447049
USPTO Field of Search
428/17   428/92   428/97   428/87   428/373   428/375   428/377   428/397   428/400   57/210   57/224   57/227   57/235   57/207   57/236   57/248   57/260  
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