PROBLEM TO BE SOLVED: To provide a bird damage preventer that surely prevents birds from staying regardless of sizes of birds coming flying and exhibits bird damage prevention effects.SOLUTION: The bird damage preventer is equipped with a plurality of projection needles 15 that are made of a synthetic resin having electric insulation and flexibility at circumferential and axial intervals, a first connection 7 at one end in the axis line directions of approximately cylindrical prevention tool bodies 10a and 10b composed of a pair of halved parts having a plurality of through-holes 16 formed between the projection needles 15, a second connection part 8 to be attached to and detached from the first connection part 7 of another bird damage preventer at the other ends in the axis line directions of preventing tool bodies 10a and 10b and end face side projection parts 33 and 33b projecting in a tapered state toward the outside in the axis line direction at least at one end face of the first and second connection parts 7 and 8.COPYRIGHT: (C)2011,JPO&INPIT【課題】 飛来する鳥の大きさにかかわらず確実に鳥の留まりを阻止して、鳥害防止効果を発揮することができる鳥害防止具を提供する。【解決手段】 電気絶縁性および可撓性を有する合成樹脂からなり、周方向および軸線方向に間隔をあけて、複数の突出針15と、各突出針15間に形成される複数の透孔16とを有する一対の半割状部分から成る略円筒状の防止具本体10a,10bの軸線方向一端部に第1嵌合部7を設け、防止具本体10a,10bの軸線方向他端部に他の鳥害防止具の第1嵌合部7が着脱可能な第2嵌合部8を設け、第1および第2嵌合部7,8のうち少なくとも一方の端面に軸線方向外方に向かって先細状に突出する端面側突部33,33bを形成する。【選択図】 図1
