Title:
VENTILATION TYPE SOUNDPROOF PANEL
Document Type and Number:
Japanese Patent JP2015209704
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a ventilation type soundproof panel capable of coping in response to uses with a simple structure, in the soundproof panel having air permeability, installed for reducing noise generated from a railroad and a road or a machine of a factory or the inside of a business office, in the present invention.SOLUTION: A ventilation type soundproof panel comprise a silencer in a plurality of vent holes provided in each of a surface side panel and a reverse side panel of a panel body formed in a box shape, and the vent hole of the surface side panel and the vent hole of the reverse side panel can select a state of seeing-through the other side vent hole in a straight line from one side vent hole and a displaced state of being unable to see-through the other side vent hole in a straight line from one side vent hole.
More Like This:
Inventors:
KIKUTA KO
Application Number:
JP2014092405A
Publication Date:
November 24, 2015
Filing Date:
April 28, 2014
Export Citation:
Assignee:
KUROGANE KOSAKUSHO LTD
International Classes:
E01F8/00; E04B1/86; G10K11/16
Previous Patent: TUNNEL LINING PLATE MADE OF STEEL BASE PLATE ADHERED WITH TILES
Next Patent: FLOOR BEAM AND FLOOR BEAM SUPPORT STRUCTURE
Next Patent: FLOOR BEAM AND FLOOR BEAM SUPPORT STRUCTURE