BASE ISOLATION RUBBER SUPPORT, AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a base isolation rubber support allowing preventing occurrence of product failure and improvement of productivity and quality by optimizing cure rate of a rubber composition of outer most coated rubber layer and spew holes of a die for discharging excessive rubber, a...

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Bibliographic Details
Main Authors SEKIDO FUMIO, YAMAMOTO MASABUMI, MATSUSHITA ZENICHI
Format Patent
LanguageEnglish
Published 10.04.2002
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BLASTING
BUILDING
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES
CEILINGS
ENGINEERING ELEMENTS AND UNITS
FENCING
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INSULATION OR OTHER PROTECTION OF BUILDINGS
LIGHTING
MASTS
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
ROOFS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SHOCK-ABSORBERS
SPRINGS
SWIMMING OR SPLASH BATHS OR POOLS
TENTS OR CANOPIES, IN GENERAL
THERMAL INSULATION IN GENERAL
TRANSPORTING
WALLS, e.g. PARTITIONS
WEAPONS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To provide a base isolation rubber support allowing preventing occurrence of product failure and improvement of productivity and quality by optimizing cure rate of a rubber composition of outer most coated rubber layer and spew holes of a die for discharging excessive rubber, and its manufacturing method. SOLUTION: This isolation rubber support has a lamination body formed by alternately contacting and laminating rubber layers and inner hard plates between facing plates of mounting hard plates for installation disposed at both upper and lower ends, and a coated rubber layer for covering the outer peripheral surface of at least the lamination body. The coated rubber layer is made of rubber composition in which a cure rate index tc (10) at 110 deg.C is 90 to 600 minutes, and is cured using the die having the plurality of spew holes leading to the outer surface of the coated rubber layer in the outer surface of the body of the die contacting with the lamination body of the cure die.
Bibliography:Application Number: JP20000297183