Armstrong, Nikaido, Marmelstein, Kubovcik & Murray
Wire saw
 An improved wire saw having a wire rope, a resilient layer covering the outer periphery of the wire rope, and a plurality of sleeves mounted on the wire rope through the resilient layer at spacings, the sleeves having an abrasive layer on their outer periphery. The resilient layer has a smaller outer diameter at portions between the sleeves than over and adjacent to the sleeves. The sleeves or the resilient layer is provided with an engaging portion to axially extend to prevent one of them from turning with respect to the other. 
Osaka Diamond Industrial Co., Ltd.
B Y
B23D Y10T
inventional additional
Tsunezo Kunio Shuichiro
Kawase Okada Koroku