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    • 1. 发明授权
    • Ski
    • 滑雪
    • US4431209A
    • 1984-02-14
    • US230592
    • 1981-02-02
    • Franz VolklHeinz Muller
    • Franz VolklHeinz Muller
    • A63C5/044A63C5/056A63C7/06
    • A63C5/056A63C7/06
    • A ski has an elongated body part, a polyethylene bottom layer arranged on the body part, and a roughening provided on a sliding surface of the bottom layer over a supporting length of the ski and including a plurality of projections each formed as an elongated tooth from polyethylene of the bottom layer and inclined in its entirety toward the rear end of the body part, wherein the teeth are arranged with a density of between 1000 and 4000 teeth per cm.sup.2. The inventive ski is manufactured by dry grinding of the sliding surface of the polyethylene bottom layer with a relatively high efficiency.
    • 滑雪具有细长的主体部分,布置在主体部分上的聚乙烯底层,以及设置在滑雪板的支撑长度上的底层的滑动表面上的粗糙化,并且包括多个突起,每个突起形成为细长齿 聚乙烯,并且整体朝向主体部分的后端倾斜,其中齿的密度以每平方厘米1000至4000个齿之间的密度布置。 本发明的滑雪板是通过以较高的效率对聚乙烯底层的滑动表面进行干式磨削来制造的。