发明名称 Shot blast machine
摘要 The shot blast machine having a projector with an impeller includes the impeller which is made of a high abrasion-resistant rubber. Therefore, it can increase the durability without damage of the impeller and projectile; it can use the projectile with high grindability, with small particle and light gravity; and it can be used at any condition including extreme cold, normal temperature, wet condition and the like.
申请公布号 US2007032179(A1) 申请公布日期 2007.02.08
申请号 US20050223346 申请日期 2005.09.10
申请人 发明人 NAKAYAMA AKINORI
分类号 B24C5/06 主分类号 B24C5/06
代理机构 代理人
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