CUTTER FOR TRIMMING A TIRE, CAPABLE OF INCREASING A CONTACT AREA OF THE TIRE AND THE CUTTER BY INCLUDING A CHANNEL GROOVE

摘要

PURPOSE: A cutter for trimming a tire is provided to obtain effect of two cutters by including a groove in one row among a plurality of blades of cutter and to increase a contact area of the tire and the cutter.;CONSTITUTION: A cutter for trimming a tire comprises a cutter blade(1) of multiple rows which is formed into a waveform. A channel groove(2) is formed on a center cutter blade along longitudinal direction of the cutter blade. A cross section of the channel groove comprises a concave groove similar to the cross section of a decoration line of tire. The channel groove is combined with the decoration line and prevents the breakaway of the cutter(10) in rotating the tire.;COPYRIGHT KIPO 2010