Title:
LAYERED RUBBER SUPPORT
Document Type and Number:
WIPO Patent Application WO/2018/016425
Kind Code:
A1
Abstract:
[Problem] To maintain the performance of a layered rubber support during ordinary earthquakes, while suppressing a decline in energy absorption performance during earthquakes of longer duration. [Solution] A layered rubber support 1 equipped with a layered rubber body 6 which has one or more through-holes 6a that vertically penetrate a layered rubber section obtained by alternatingly layering rubber layers 2 and reinforcing plates 3, and further equipped with one or more damping plugs (lead plugs) 9 sealed inside the through-holes, wherein:TS≥26×TR×D-0.5, given that the total thickness of the reinforcing plates is TS, the total thickness of the rubber layers is TR, and the diameter when the layered rubber body is cylindrical when seen from above, the length of one side when square when seen from above, or the length of a short side when rectangular when seen from above is D; and the inner-circumferential surfaces of the reinforcing plates contact or are near to the outer-circumferential surface of the damping plug. The thicknesses of the reinforcing plates may be identical, or some reinforcing plates may be thicker than other reinforcing plates.
Inventors:
WAKE TOMOTAKA (JP)
KOCHIYAMA OSAMU (JP)
NAKAMURA TAKAHITO (JP)
KOCHIYAMA OSAMU (JP)
NAKAMURA TAKAHITO (JP)
Application Number:
PCT/JP2017/025654
Publication Date:
January 25, 2018
Filing Date:
July 14, 2017
Export Citation:
Assignee:
OILES INDUSTRY CO LTD (JP)
International Classes:
F16F15/04; F16F1/40
Foreign References:
| JPH11201231A | 1999-07-27 | |||
| JP2005315366A | 2005-11-10 | |||
| JP2003021193A | 2003-01-24 | |||
| JP2012062968A | 2012-03-29 | |||
| JP2006275212A | 2006-10-12 | |||
| JP2010025233A | 2010-02-04 | |||
| JPH08504254A | 1996-05-07 |
Attorney, Agent or Firm:
NAKAI Jun (JP)
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