<p>The method for increasing shearer bit durability is characterised by application of at least two strips (6) and/or rings (7) of composite metallic substance (1) on a conical surface (2) of shearer bit (3). Other variants foresee the creation of a bevel (11) around the base of a carbide metal sinter insert (5).</p>
申请公布号
EP2799663(A2)
申请公布日期
2014.11.05
申请号
EP20130004425
申请日期
2013.09.11
申请人
PLASMA SYSTEM SPOLKA AKCYJNA
发明人
BOREK, ALEKSANDER;ZDROJEWSKI, BOGDAN ROMAN;GRUSZKA, ANDRZEJ;GRZELKA, RYSZARD
