Title:
FLUID SEALING TYPE VIBRATION CONTROL DEVICE
Document Type and Number:
Japanese Patent JP3599462
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To increase the rigidity of an orifice passage and to prevent a characteristic reduction caused by the leakage of liquid from the orifice passage.
SOLUTION: A fluid sealing type vibration control device includes inner and outer cylinders and a rubber body and two liquid rooms are formed in its inside. An orifice passage for communicating the liquid rooms with each other is made of a metal orifice forming member 11 different from the rubber body. The orifice forming member 11 is circular-arc, fitted in a recessed part provided in the rubber body side and an orifice groove 12 is recessed in its outer peripheral surface. A coating layer 23 made of silicone rubber or the like is laid on the outer peripheral surface of the orifice forming member 11 coming into contact with the outer cylinder by a transfer method or the like and when the outer cylinder is caulked and fitted, the device is surely sealed.
Inventors:
Masaaki Ito
Application Number:
JP3018196A
Publication Date:
December 08, 2004
Filing Date:
February 19, 1996
Export Citation:
Assignee:
Kinugawa Rubber Industry Co., Ltd.
International Classes:
F16F13/14; B60K5/12; (IPC1-7): F16F13/14; B60K5/12
Domestic Patent References:
| JP7119787A | ||||
| JP7269643A | ||||
| JP6221371A |
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Hiromichi Kobayashi
Tomioka Kiyoshi
Hiromichi Kobayashi
Tomioka Kiyoshi