Title:
SOUND ABSORPTION MEMBER
Document Type and Number:
Japanese Patent JP2019219466
Kind Code:
A
Abstract:
To reduce manufacture cost of a sound absorption member.SOLUTION: A sound absorption member 10 comprises a member 100 and granular compositions 200. The member 100 comprises a first member 110 and a second member 120. The first member 110 is a sheet-like member and has a plurality of recesses 112. The second member 120 is also a sheet-like member and seals a plurality of recesses 112. The granular compositions 200 are stored in the plurality of recesses 112 and are obtained by mixing paper or pulp with flexible resin. Wall paper or waste of the wall paper can be used as the paper or the pulp.SELECTED DRAWING: Figure 1
Inventors:
OKAWA YASUO
Application Number:
JP2018115520A
Publication Date:
December 26, 2019
Filing Date:
June 18, 2018
Export Citation:
Assignee:
SHOWA JUSHI KK
International Classes:
G10K11/16; G10K11/165
Domestic Patent References:
| JP2009235761A | 2009-10-15 | |||
| JP3006498U | 1995-01-24 | |||
| JPS6111556U | 1986-01-23 | |||
| JP2009150932A | 2009-07-09 | |||
| JP2016513278A | 2016-05-12 | |||
| JP2016204452A | 2016-12-08 | |||
| JP2014029504A | 2014-02-13 |
Attorney, Agent or Firm:
Shinji Hayami