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US4302872A Method of making wheels, pulleys and tumblers 失效
制造车轮,滑轮和滚筒的方法

Method of making wheels, pulleys and tumblers
Abstract:
Used and/or scrap pneumatic tires may be used for making wheels and pulleys for low speed, low load and low cost applications, the bead of the tires being utilized as the means mounting the tire, the bead being deformed to a generally polygonal shape. When plates are substituted for spokes on the wheels, low cost tumblers are produced.
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