To provide an apparatus for uniform cleaning of the inside surface of the tread of pneumatic tires at low costs.
The apparatus has a tire holder 2 holding a pneumatic tire T in a rotatable way and a cleaning tool 3 cleaning the inside surface of the tread of the tire T. The cleaning tool 3 has a cleaning roller 14 having a brush section 14b on the outer peripheral surface and a rotary shaft in parallel with that of the tire, a driving motor 15 driving the cleaning roller 14, an axial motion tool 16 moving the cleaning roller 14 axially along the tire to insert into bead openings of the tire T, a radial motion tool 18 having an elevating motor 17 moving the cleaning roller 14 radially to bring into contact with the inside surface Ti of the tread and a controller controlling at least both the motors. The controller controls the elevating motor 17 so as to adjust the torque of the driving motor 15 to a predetermined value, in the cleaning process of bringing the cleaning roller 14 into contact with the inside surface Ti of the tread and rotating.
COPYRIGHT: (C)2008,JPO&INPIT
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