Toyo Boseki Kabushiki Kaisha

Other

Sakashi Kamata

Yoshio Araki

Yujiro Matsuyama

Chisato Nonomura

Kiyoshi Negishi

Hironobu Furusawa

Hitoshi Ueno

Tokio Kokubu

Kenji Kubota

Hiromu Ishida

Tadashi Kanno

Yasushi Kamihigashi

A bridge of shock-absorbing construction is disclosed, which includes horizontal members arranged in series, vertical members supporting the horizontal members, and connectors for connecting the adjacent horizontal members or for connecting the horizontal member and the vertical member, wherein shock absorbers formed from a material with an elastic modulus in flexure over 200 kgf/cm,and each having a wall structure in a shock-loading direction are disposed on the connectors or at the points of contact between the horizontal members or between the horizontal member and the vertical member.

Bridge of shock-absorbing construction

Impact absorber made of resin

A resin shock absorber comprising a compression deformable portion made of a resin having a flexural modulus of elasticity of 500 to 20,000 kg/cm.sup.2, said shock absorber having a yield strength of 2 to 25 kN/m.sup.2 and a compressive energy absorption efficiency of 50% or higher. The shock absorber of the present invention has a high energy absorption efficiency for its reaction force, superior restorability, and is maintenance-free since the absorber has resistance against corrosion, water and weather. Therefore, the absorber is applicable to the use in the sea, on the ground, as well as above the ground. Furthermore, the shock absorber can be easily extended on demand into a block shock absorber, which is light in weight and simple in structure and capable of exhibiting uniform cushion characteristics over an extended area.

Resin shock absorber

Growing community of inventors

Ohtsu, Japan

Sakashi Kamata