| 摘要 |
PROBLEM TO BE SOLVED: To provide a spike implement capable of dispensing with a conventional cover tool, capable of preventing an injury of a worker by a pointed part, and superior in productivity. SOLUTION: This spike implement A prevents an intruder by installing a pipe installation band, an electric pole, a wall surface, a fence, a wall, a gate door and a gate wall in a desired position, and is composed of an installation base 1 installable in the desired position, a spike part 2 projected on the installation base board 1, and a cover part 3 integrally formed with the pointed part 21 formed on the tip of the spike part 2 and protecting the pointed part 21, and is characterized in that a rupture promoting part 31 capable of rupturing and removing the cover part 3, is formed in a boundary between the pointed part 21 and the cover part 3, and the cover part 3 can be freely removed. COPYRIGHT: (C)2008,JPO&INPIT
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