Anti-seismic device

Details Anti-seismic device Anti-seismic device

1989-04-12

1990-02-06

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

52167DF, 248560, 248638, E04B 198

Patent

active

048993239

ABSTRACT:
An anti-seismic device which comprises anti-seismic rubber bearings and dampers arranged in parallel, the anti-seismic rubber bearing being formed by laminating a plurality of rigid hard plates and soft boards having a viscoelastic property one over another, the damper being composed mainly of a viscoelastic material having the physical properties (i) and (ii) defined below.

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

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