Patent ID: 8915769

Claim:
A method of manufacturing a tubular structure by housing a tubular base, which has a side circumference surface formed in a bellows-like shape, in a polishing container, causing magnetic particles formed of a magnetic substance to flow along a circumferential direction of the tubular base by action of magnetic poles arranged outside the polishing container, and supplying abrasive particles formed of a non-magnetic substance to the polishing container by a supplying means arranged outside the polishing container so that the abrasive particles flow along an axial direction of the tubular base, thereby polishing a surface of the tubular base, the method comprising: a first polishing step of polishing an exposed surface of the tubular base by causing the magnetic particles and the abrasive particles to flow while an inner surface of the tubular base remains covered; and a second polishing step of polishing an exposed surface of the tubular base by causing the magnetic particles and the abrasive particles to flow while an outer surface of the tubular base remains covered.