| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixture for circularly cutting a paved surface by which centering is facilitated and no misalignment occurs. SOLUTION: The fixture for circularly cutting the paved surface around an iron lid for an underground structure has a fixture body 15 having a form of the same shape and size as a lid body 11 of the iron lid for the underground structure, and being replaceable with the lid body 11. A first engaging part 17 formed by a recess or a projection is provided on the fixture body 15 at the position representing a center of a circle to be traced around the iron lid. When the iron lid is a double lid, the fixture has the fixture body 15 having the form of the same shape and size as the appendage lid of the double lid, and being replaceable. A second engaging part 27 formed by the recess or the projection is provided on the fixture body 15 at the position representing the center of the main cover of the double cover. COPYRIGHT: (C)2005,JPO&NCIPI
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