Anti-seismic rubber

Details Anti-seismic rubber Anti-seismic rubber

1989-01-10

1990-08-21

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

52167R, 267152, 428492, B32B 702, B32B 2504

Patent

active

049505289

ABSTRACT:
An anti-seismic rubber is made by laminating a plurality of rigid plates and flexible plates having viscoelastic properties alternatively. At least one of the flexible plates A has elasticity, i.e. magnitude of the stress corresponding to an arbitrary strain in a stress-strain curve, lower than the elasticity of other flexible plates B in a low strain zone, and in a high strain zone, elasticity of the flexible plate A is higher than the elasticity of the flexible plate B.

REFERENCES:
patent: 3938852 (1976-02-01), Hein et al.
patent: 4050665 (1977-09-01), Matthews
patent: 4483426 (1984-11-01), Tagawa et al.
patent: 4566231 (1986-01-01), Konsevich
patent: 4761925 (1988-08-01), Fukahori et al.
patent: 4899323 (1990-02-01), Fukahori et al.

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