| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a low-cost, compact tool capable of carrying out easy surface preparation of projections of bolts and nuts. <P>SOLUTION: A surface preparation tool for projections 1 includes a connection part 10 detachably connected to an electric drill and disk grinder; a cylindrical body 20 connected to this connection part 10 and rotating together with the connection part 10; and metal wires 30 having one end securely installed inside this body and the other end extended in a central axis direction of the body. By covering the projection with this body 20 and rotating this body 20, the end of the metal wires 30 rotates in contact with a circumference of the projection, allowing easy surface preparation. <P>COPYRIGHT: (C)2012,JPO&INPIT |
