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Patent Searching and Data


Title:
SEISMIC ISOLATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/135128
Kind Code:
A1
Abstract:
This seismic isolation device 1 is provided with: a laminated body 7 which has therein alternately overlaid rubber plates 2 and steel plates 3; a hollow part 8 which is provided in a state of being sealed in the laminated body 7 and which extends in the lamination direction A; a lead plug 9 with which the hollow part 8 is tightly filled and which absorbs vibration energy in a shearing direction B so as to attenuate vibrations, in the shearing direction B, of the laminated body 7; and a lid member 14 which has a recessed hemispherical surface 12 in contact with one end 11, in the lamination direction A, of the lead plug 9 so as to guide and assist plastic flow of the lead plug 9 at one end 10, in the lamination direction A, of the hollow part 8 at the time of deformation, in the shearing direction B, of the lead plug 9.

Inventors:
KOCHIYAMA, Osamu (1000 Hakari-cho, Ashikaga-sh, Tochigi 27, 〒3260327, JP)
NAGAHIRO, Kenta (1000 Hakari-cho, Ashikaga-sh, Tochigi 27, 〒3260327, JP)
KIMURA, Yasunari (1000 Hakari-cho, Ashikaga-sh, Tochigi 27, 〒3260327, JP)
Application Number:
JP2017/002600
Publication Date:
August 10, 2017
Filing Date:
January 25, 2017
Export Citation:
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Assignee:
OILES CORPORATION (2-70, Kounan 1-chome Minato-k, Tokyo 75, 〒1080075, JP)
International Classes:
F16F15/04; E04H9/02; F16F1/40; F16F7/12; F16F15/02
Foreign References:
JP2009115176A2009-05-28
JP2008281125A2008-11-20
JP2010025233A2010-02-04
Attorney, Agent or Firm:
TAKADA, Takeshi (3rd Floor, Zenkaren Building 12-4, Minamiaoyama5-chome, Minato-k, Tokyo 62, 〒1070062, JP)
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