SEISMIC ISOLATION DEVICE AND MANUFACTURING METHOD OF THE SAME

A composite metal core 30 incorporated in a laminated rubber bearing for damper having two different kinds of metal material. An outer metal 31 includes a material having a high rigidity and an excellent plastic deformability. An inner metal 32 includes a material having low rigidity and an excellen...

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Bibliographische Detailangaben
1. Verfasser:	Miyazaki Mitsuo
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CEILINGS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FENCING FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INSULATION OR OTHER PROTECTION OF BUILDINGS MASTS METALLURGY PERFORMING OPERATIONS POWDER METALLURGY ROOFS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A composite metal core 30 incorporated in a laminated rubber bearing for damper having two different kinds of metal material. An outer metal 31 includes a material having a high rigidity and an excellent plastic deformability. An inner metal 32 includes a material having low rigidity and an excellent plastic deformability. By making a rising rate of a bending rigidity of the composite metal core higher than a rising rate of a shear rigidity of the composite core, the composite metal core enters a deformation mode in which a superior shear deformability is created. In that deformation mode, the performance of absorbing energy generated in a process of plastic deformation is stabilized. And at the same time, an average horizontal shear yield stress degree of the composite metal core can be set at an arbitral level between the horizontal shear yield stress degrees of the two kinds of metal.