发明授权
US09291000B2 Rolling cutter with improved rolling efficiency 有权
轧机具有提高的轧制效率

Rolling cutter with improved rolling efficiency
摘要:
A cutting structure may include an outer support element; and an inner rotatable cutting element comprising a cutting surface at its upper end; wherein the inner rotatable cutting element comprises at least one line contact along a circumferential side surface thereof and/or at least one point contact at a bottom face thereof.
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