Patent ID: 6616542
Filing Date: 2003-09-09
Classification: A63B,E01C

Abstract:
An artificial putting green of a defined area having improved stability and feel comprising:a base; an intermediate layer positioned over said base; said intermediate layer comprising a PYRACELL layer covering said base; said PYRACELL layer including a synthetic sheet formed with a plurality of raised conically shaped hollow cells arranged over its upper surface in equally spaced positions and a plurality of drainage holes formed in between certain of said cells; a non-woven porous web secured to a lower surface of said sheet, said web covering open ends of said cells and providing drainage through said holes; coarse sand covering said sheet at least substantially up to top surfaces of said cells; an artificial putting surface supported by said intermediate layer; said artificial putting surface comprising a pile fabric with pile in the range of Â¼â€³ to Â¾â€³ in height with fine sand filling areas between and about said pile; wherein, said putting green provides a surface with adequate resilience which compresses efficiently when accepting a golf shot, and returns to its original position presenting a smooth uniform surface providing adequate feel.