| 摘要 |
Apparatus ( 2 ) for removing or fitting a compression ring ( 4 ), which apparatus ( 2 ) comprises a body ( 6 ), at least one externally threaded portion ( 8 ) which is on the body ( 6 ) and which is for receiving a compression ring nut ( 10 ), a bore ( 12 ) which is in the body ( 6 ) and which has a screw thread ( 14 ), a spindle ( 16 ) which has an external thread ( 18 ) and which is screwable backwards and forwards in the bore ( 12 ) in the body ( 6 ), at least one abutment means ( 20 ) for engaging an end ( 22 ) of a pipe ( 24 ) requiring the compression ring ( 4 ) to be removed, and a handle which in use is permanently attached to the body ( 6 ) and which is for preventing rotation of the body ( 6 ) during rotation of the spindle ( 16 ) for removing the compression ring ( 4 ) from the pipe ( 24 ), and during rotation of the compression ring nut ( 10 ) for installing the compression ring ( 4 ) on the pipe ( 24 ). |
