发明名称 ROTATABLE CUTTING BIT AND BIT WASHER THEREFOR
摘要 A cutter tool comprises a tool holder (10), a cutting bit (12) mounted in a bore (14) of the tool holder, and a washer (40) disposed between the tool holder and the cutting bit. The washer is a conical (Belleville) washer which makes annular line contact with a shoulder (28) of the cutting bit, and with an edge (46) of the bore of the tool holder, in order to effectively seal-out fines from the bore.
申请公布号 WO0020723(A1) 申请公布日期 2000.04.13
申请号 WO1999SE01736 申请日期 1999.09.29
申请人 SANDVIK AKTIEBOLAG 发明人 MERCIER, GREG, D.;FULLER, GARY, A.;WIDENER, BRIAN, K.;MCSHARRY, CHRIS, J.
分类号 E02F9/28;B25D17/02;B28D1/18;E21B10/00;E21C35/18;E21C35/197;E21D9/10;F16B43/00;(IPC1-7):E21C35/197 主分类号 E02F9/28
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