发明名称 CEMENTED CARBIDE TOOL
摘要 A tool or wear part comprises a cast iron or cast steel body (3) carrying one or more cast-in inserts (1). Each insert (1) comprises a cemented carbide cutting or wearing element partially embedded in the body (3), and an enclosure (2) completely surrounding the embedded portion of the element. The enclosure (2) is cast-in with respect to the body (3) and has a higher melting point than the body (3). The enclosure (2) is connected by a metallurgical bond to the body (3) and by a shrink-fit to the element.
申请公布号 ZA8801615(B) 申请公布日期 1988.10.26
申请号 ZA19880001615 申请日期 1988.03.07
申请人 SANDIV AB. 发明人 UDO KARL REINHOLD FISCHER;ERIK TORBJOERN HARTZELL;MATS GEORG WALDENSTROEM
分类号 E21B10/52;B22D19/00;B22D19/06;E21B10/56;E21B10/62 主分类号 E21B10/52
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