Title:
TUBULAR BODY SOUNDPROOF COVER AND TUBULAR BODY WITH COVER
Document Type and Number:
WIPO Patent Application WO/2012/043022
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a tubular body soundproof cover which does not tend to suppress elastic deformation of a tubular body, and a tubular body with the cover.
A tubular body soundproof cover (2) comprises a sound absorbing layer (3) disposed outside a tubular body (6) having tubular body-side curved sections (62f, 62r) in the direction orthogonal to the axial direction, a surface layer (4) disposed outside the sound absorbing layer (3) in the direction orthogonal to the axial direction, and cover-side curved sections (5f, 5r) disposed outside the tubular body-side curved sections (62f, 62r) in the direction orthogonal to the axial direction, and having at least part of the sound absorbing layer (3) and at least part of the surface layer (4). The cover-side curved sections (5f, 5r) have unbonded sections (50f, 50r) in which the sound absorbing layer (3) and the surface layer (4) are not bonded over the entire lengths thereof in the circumferential direction.
Inventors:
ERA KAZUKI (JP)
OCHIAI HIROYUKI (JP)
OCHIAI HIROYUKI (JP)
Application Number:
PCT/JP2011/066354
Publication Date:
April 05, 2012
Filing Date:
July 19, 2011
Export Citation:
Assignee:
TOKAI RUBBER IND LTD (JP)
ERA KAZUKI (JP)
OCHIAI HIROYUKI (JP)
ERA KAZUKI (JP)
OCHIAI HIROYUKI (JP)
International Classes:
F02M35/10; F02B77/13; F16L55/02
Foreign References:
| JPH02135661U | 1990-11-13 | |||
| JPH05126002A | 1993-05-21 | |||
| JPH10306716A | 1998-11-17 | |||
| JP2003343373A | 2003-12-03 |
Attorney, Agent or Firm:
HIGASHIGUCHI Michiaki et al. (JP)
Michiaki Higashiguchi (JP)
Michiaki Higashiguchi (JP)
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Claims:
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