POLISHER, METHOD FOR MANUFACTURING ITS RODLIKE POLISHER BODY, AND POLISHING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a polisher which has an excellent overall stiffness and further has an excellent durability although a polishing portion is made of resinoid material. SOLUTION: In the polisher, a rodlike portion 21 and a hemispherical portion 22 coaxially positioned at the tip end of the rodlike portion 21 are integratedly formed in the polisher body 10 made of a resinoid material, and an insertion bore portion 33 is formed in a polishing shank 30 so as to insert the rodlike portion 21 of the rodlike polisher body 10 thereinto and so as to expose the hemispherical portion 22. COPYRIGHT: (C)2008,JPO&INPIT