| 摘要 |
PROBLEM TO BE SOLVED: To provide a foldable joint cutter which can be changed into crisscross, T-shaped, L-shaped various shapes as an exclusive crisscross cutter material for intersections. SOLUTION: The joint cutter is constituted of a coupling member 2 in which couplers 23, 23 or the like are provided before and behind, right and left, and a plurality of joint cutting materials 1, 1 connected to the couplings 23, 23, etc. The joint cutter is designed to selectively and integrally form in a crisscross, T-shaped, or an L-shaped form, while limiting the couplers 23, 23 or the like of the coupling member 2 connecting the joint cutting materials 1, 1, etc. COPYRIGHT: (C)2004,JPO&NCIPI
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