VIBRATION ISOLATION DEVICE - OILES INDUSTRY CO LTD

Title:

VIBRATION ISOLATION DEVICE

Document Type and Number:

WIPO Patent Application WO/1997/006372

Kind Code:

A1

Abstract:

A vibration isolation device (5) comprises an elastic body (3), in which elastic material layers and rigid material layers are alternately laminated on one antoher, and a columnar-shaped lead (4) arranged in a hollow portion (12) defined by an inner peripheral surface (9) of the elastic body (3). A ratio Vp/Ve of a volume Vp of the columnar-shaped lead (4) to a volume Ve of the hollow portion (12), with the columnar-shaped lead (4) not inserted and a load exerted on the elastic body (3), ranges from 1.02 to 1.12.

Inventors:

KISHIZONO TSUKASA (JP)
SHIMODA IKUO (JP)
ROBINSON WILLIAM HENRY (NZ)

Application Number:

PCT/JP1996/002146

Publication Date:

February 20, 1997

Filing Date:

July 30, 1996

Export Citation:

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Assignee:

OILES INDUSTRY CO LTD (JP)
KISHIZONO TSUKASA (JP)
SHIMODA IKUO (JP)
ROBINSON WILLIAM HENRY (NZ)

International Classes:

E04H9/02; F16F1/40; F16F9/30; F16F13/00; F16F15/023; F16F15/08; (IPC1-7): F16F15/04; E04B1/36; E04H9/92

Foreign References:

JPH03163231A

1991-07-15

Other References:

ARCHITECTURAL SOCIETY OF JAPAN 1990 CONVENTION (CHUGOKU) SCIENTIFIC LECTURE SUMMARIES, Vol. B, (October 1990), TORII, HIRASAWA, KURA, TAKASAKI, MAKISE, SEKIGUCHI, p. 695-696.
MICROFILM OF THE SPECIFICATION AND DRAWINGS ANNEXED TO THE WRITTEN APPLICATION OF JAPANSE UTILITY MODEL, Application No. 133344/1988 (Laid-open No. 56204/1990) (TODA CONSTRUCTION CO., LTD.), 24 April 1990.
ARCHITECTURAL SOCIETY OF JAPAN 1990 CONVENTION (CHUGOKU) SCIENTIFIC LECTURE SUMMARIES, Vol. B (October 1990).

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