NZ720987A - Seismic isolation apparatus - Google Patents
Seismic isolation apparatusInfo
- Publication number
- NZ720987A NZ720987A NZ720987A NZ72098713A NZ720987A NZ 720987 A NZ720987 A NZ 720987A NZ 720987 A NZ720987 A NZ 720987A NZ 72098713 A NZ72098713 A NZ 72098713A NZ 720987 A NZ720987 A NZ 720987A
- Authority
- NZ
- New Zealand
- Prior art keywords
- flange plate
- seismic isolation
- isolation apparatus
- rubber body
- laminated rubber
- Prior art date
Links
Landscapes
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
A seismic isolation apparatus having a laminated rubber body for isolating from seismic vibrations a structure; wherein at the time of horizontal deformation due to relative horizontal vibrations between the superstructure and substructure, overcomes stress concentrations present in the prior art that can cause buckling, said seismic isolation apparatus 1 includes an upper flange plate 2 which is connected to a superstructure; a lower flange plate 3 which is connected to a substructure; a laminated rubber body 7 which is provided between the upper flange plate 2 and the lower flange plate 3 and has rubber elastic material layers 4 and rigid material layers 5, both of which are alternately laminated in a vertical direction V; a columnar hole 8 provided in the laminated rubber body 7; and a vibrational energy absorbing body 9 disposed in the columnar hole 8. Said stress concentrations present in the prior art are therefore overcome by way of the plates increasing in diameter adjacent to the flange plates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012193289A JP5541329B2 (en) | 2012-09-03 | 2012-09-03 | Seismic isolation device |
| NZ70434013 | 2013-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ720987A true NZ720987A (en) | 2019-05-31 |
Family
ID=66674268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ720987A NZ720987A (en) | 2012-09-03 | 2013-06-11 | Seismic isolation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| NZ (1) | NZ720987A (en) |
-
2013
- 2013-06-11 NZ NZ720987A patent/NZ720987A/en unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PSEA | Patent sealed | ||
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 11 JUN 2021 BY CPA GLOBAL Effective date: 20200430 |
|
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 11 JUN 2022 BY CPA GLOBAL Effective date: 20210429 |
|
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 11 JUN 2023 BY CPA GLOBAL Effective date: 20220428 |
|
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 11 JUN 2024 BY CPA GLOBAL Effective date: 20230427 |