To improve a vibration restraining effect of an article to be used in a high temperature environment by tightly fitting an elastic body molded by knitting and compressing a heat resistant metallic fine line in a coil on an extension coil spring provided with hooks on both end parts of the coil formed by winding a metallic element wire.
A cylindrical elastic body 5 is tightly fitted in a state of slightly elastically contracting it on the inside of a coil 2 of a tension coil spring formed by bending hooks 3, 4 on both ends of the coil 2 on a central part formed by closely winding a metallic element wire excellent in heat resistance such as stainless steel. As this elastic body 5, the one made by compressing and molding a fine line made of metal excellent in heat resistance such as stainless steel knitted and having proper elasticity is used. This tension spring device is used in case of suspending an exhaust pipe on a car body of an automobile, etc., and an excellent vibration damping characteristic of the exhaust pipe, etc., is provided by making s state of tightening the elastic body 5 as the coil 2 is extended and contracted in diameter.
HAMADA KOZO
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