Title:
遮音シール付き密封装置
Document Type and Number:
Japanese Patent JP4739745
Kind Code:
B2
Abstract:
A sealing device with a sound insulating seal having both a sealing function and a sound insulating function, capable of exerting excellent sound insulating performance, and capable of preventing increase of its axial length, is provided. The sealing device comprises a seal body (6) sealing a clearance (5) between the peripheral surface of the shaft hole (3) of a housing (2) and a shaft (4) inserted into the shaft hole (3) and the sound insulating seal (7) insulating sound transmitted through the clearance (5). The seal body (6) integrally comprises a bellows part (10) between a mounting part (8) fitted to the housing (2) and a seal lip part (9) in contact with the shaft (4). The sound insulating seal (7) comprises a sound insulating member (20) disposed at the inner peripheral side of the mounting part (8). The sound insulating member (20) is formed in such a structure that is held to the seal body (6) in the state of being brought into contact with the mounting part (8) at its outer peripheral part (20a) and with the seal lip part (9) at its inner peripheral part (20b).
Inventors:
Tsuyoshi Kamimae
Akira Kaminaka
Kataoka
Tokuhiro Murakami
Akira Kaminaka
Kataoka
Tokuhiro Murakami
Application Number:
JP2004369125A
Publication Date:
August 03, 2011
Filing Date:
December 21, 2004
Export Citation:
Assignee:
NOK CORPORATION
TOYOTA JIDOSHA KABUSHIKI KAISHA
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16J15/32
Domestic Patent References:
| JP2001280510A | ||||
| JP6084068U |
Attorney, Agent or Firm:
Yoichi Nomoto