发明名称 |
Methods of preparing cemented carbide inserts for earth-boring bits |
摘要 |
<p>The invention relates to methods of preparing cutting inserts for earth-boring bits. In one embodiment the method comprises consolidating a first cemented carbide powder in a mould to provide a first green compact, placing the first green compact in a second mould, wherein the first green compact fills a portion of the second mould, filling at least a portion of a remaining portion of the second mould with a second cemented carbide powder, consolidating the second cemented carbide powder and the first green compact together to form a second green compact and sintering the second green compact.</p> |
申请公布号 |
EP2479306(A1) |
申请公布日期 |
2012.07.25 |
申请号 |
EP20120158940 |
申请日期 |
2005.12.16 |
申请人 |
TDY INDUSTRIES, INC. |
发明人 |
MIRCHANDANI,, PRAKASH K;MOSCO,, ALFRED J |
分类号 |
C22C29/00 |
主分类号 |
C22C29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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