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Patent Searching and Data


Title:
PENETRATION STRUCTURE OF SOUNDPROOF WALL
Document Type and Number:
Japanese Patent JP3287720
Kind Code:
B2
Abstract:

PURPOSE: To simplify the assembly work in a penetration structure of a soundproof wall, to reduce the number of part item, and to improve the effect to prevent the rain from entering and the soundproof effect.
CONSTITUTION: Noise insulation plates 10a, b are arranged inside a soundproof wall 2, waterproof covers 11a, b are arranged outside, and a packing 13 to be closely adhered to a connection tube 1 is arranged between the noise insulation plates 10a, b, bolts 10a to be fitted and fixed to a noise insulation plate 12a are tightened and fixed through a fitting hole 2a of large diameter in the soundproof wall, the packing 13, and the waterproof covers 11a, b, and the putty 14 is applied to the clearance between the connection tube 1 and the waterproof covers 11a, b.


Inventors:
Masanori Senoo
Junjiro Kimura
Application Number:
JP2133195A
Publication Date:
June 04, 2002
Filing Date:
January 12, 1995
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
F16L5/00; H02B1/28; (IPC1-7): F16L5/00; H02B1/28
Domestic Patent References:
JP640681A
JP60154369U
Attorney, Agent or Firm:
Hiroshi Murakami (1 outside)