| 摘要 |
PURPOSE:To ameliorate the extent of durability in an elastic body as well as to improve the durability of a vibration isolator in particular by segregating the elastic body, forming a liquid chamber, from a liquid being filled up in this liquid chamber through an isolating body. CONSTITUTION:Since an isolating film 50 is made up of a rubber film of butyl rubber, it is expanded or contracted together with absorbent rubber 22 even if this rubber is elastically deformed by vibration. Then, a liquid chamber 28 is formed by this isolating film 50 and a diaphragm 18, and an electroviscous fluid is charged into this liquid chamber 28. Thus, since the absorbent rubber 22 is isolated by the film 50, such a fear that the electroviscous fluid 29 extracts an additive agent mixed in the absorbent rubber 22 and thereby deteriorate this rubber in terms of quality is brought to bothing. In consequence, since it is possible to use this absorbent rubber 22 consisting of an optimum material to applications of a vibration-isolator 1 to be used, both absorbent and endurant properties are improbable in particular. |
