Title:
LIQUID-FILLED-TYPE VIBRATION-DAMPING RUBBER DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/133348
Kind Code:
A1
Abstract:
A liquid-filled-type vibration-damping rubber device which has closed spaces (a main liquid chamber (A) and a secondary liquid chamber (B)) formed by chamber walls (a vibration-damping rubber object (1) and a rubber film (3)) that deform in accordance with vibration inputs, the closed spaces having a liquid enclosed therein, wherein the chamber walls are constituted of a diene rubber and the liquid comprises a glycol solution that contains a benzotriazole compound having an amine group. Thus, the deterioration of the rubber objects and the deterioration in durability which are caused by dissolution, in the filling liquid, of components of the chamber walls (rubber objects) can be eliminated.
Inventors:
NAIKI HIROAKI (JP)
KIMURA NORIHITO (JP)
KIMURA NORIHITO (JP)
Application Number:
PCT/JP2012/057807
Publication Date:
October 04, 2012
Filing Date:
March 26, 2012
Export Citation:
Assignee:
TOKAI RUBBER IND LTD (JP)
NAIKI HIROAKI (JP)
KIMURA NORIHITO (JP)
NAIKI HIROAKI (JP)
KIMURA NORIHITO (JP)
International Classes:
F16F13/06; C08L9/00; C09K3/00
Foreign References:
| JP2007205550A | 2007-08-16 | |||
| JPH0285540A | 1990-03-27 | |||
| JP2008255247A | 2008-10-23 | |||
| JP2011027770A | 2011-02-10 |
Attorney, Agent or Firm:
SAITOH Yukihiko (JP)
Masahiko Nishifuji (JP)
Masahiko Nishifuji (JP)
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Claims: