Abstract: A cleaning apparatus includes: a cleaning tank that defines a cleaning space for cleaning a wafer; a wafer rotation mechanism that is arranged inside the cleaning tank and holds and rotates the wafer; a cleaning member that contacts and cleans a surface of the wafer, is rotatable around a central axis extending in a lateral direction, and has a length in an axial direction longer than a radius of the wafer; a swing mechanism that swings the cleaning member around a swing axis located inside the cleaning tank to move the cleaning member from a retracted position outside of the wafer to a cleaning position directly above the wafer; a second cleaning means that cleans the surface of the wafer; and a second swing mechanism that swings the second cleaning means around a second swing axis located inside the cleaning tank to pass directly above a center of the wafer.

Abstract: A formed body including: a polytetrafluoroethylene or a modified polytetrafluoroethylene; and an unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt %.

Abstract: A case hardening steel material having a chemical composition consists of, by mass percent, C: 0.15 to 0.23%, Si: 0.01 to 0.15%, Mn: 0.65 to 0.90%, S: 0.010 to 0.030%, Cr: 1.65 to 1.80%, Al: 0.015 to 0.060%, and N: 0.0100 to 0.0250%, further containing, as necessary, one or more kinds selected from Cu and Ni of predetermined amounts, the balance being Fe and impurities; 25?Mn/S?85, 0.90?Cr/(Si+2Mn)?1.20, and 1.16Si+0.70Mn+Cr?2.20; P, Ti and O in the impurities being P?0.020%, Ti?0.005%, and O?0.0015%; and having a structure consisting of 20 to 70% in an area ratio being ferrite; and the portion other than the ferrite being one or more kinds of pearlite and bainite. The steel material is used suitably as a raw material of the carburized part such as a CVT pulley shaft.

Abstract: A formed body including: a polytetrafluoroethylene or a modified polytetrafluoroethylene; and an unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt %.

Abstract: A steel for a belt-type CVT pulley made of chromium steel or chromium molybdenum steel according to the present invention has a component composition that satisfies predetermined formulae regarding the mass % of Mn, Ni, Cr, Mo, Si, Nb and Ti. In addition, the steel for a belt-type CVT pulley contains, in terms of mass %, as essentially added elements, 0.15% to 0.25% of C, 0.40% to 1.00% of Mn, more than 1.80% and 2.20% or less of Cr, 0.005% to 0.030% of N, and 0.010% to 0.060% of Al, and as arbitrarily added elements, 0.20% or less of Si, 0.03% or less of P, 0.05% or less of S, 0.3% or less of Cu, 0.3% or less of Ni, and 0.2% or less of Mo, with the remainder being Fe and inevitable impurities.

Abstract: A tire inspecting apparatus for automatically detecting the presence of at least one excessive indent or defect on one or both side walls of the tire comprises supply inspection and delivery conveyors arranged in line with each other. The apparatus includes contact detectors adapted to contact the side walls of the tire and to detect the presence of the excessive indent on the side wall of the tire while the tire in an inflated condition is rotated relative to the contact detectors at a position above the inspection conveyor. These contact detectors generate an electrical signal indicative of the presence of the excessive tire.

Abstract: A tire withdrawal arrangement for use in a green tire shaping process which includes a platform car arranged to be movable in a direction for withdrawing a tire from a tire shaping former, a rotating support stand provided on the platform car, and tire support arms of elevating and rocking type provided on the rotating support stand, with the tire withdrawn from the tire shaping former through the tire support arms being rotated on the rotating support stand so as to feed the tire onto a conveyor device through rocking motion of the tire support arms.