Title:
SOUND ABSORPTION COMPONENT FOR WINDOW, AND WINDOW COMPONENT AND WINDOW MEMBER COMPRISING THE SAME
Document Type and Number:
Japanese Patent JP2022070478
Kind Code:
A
Abstract:
To provide a sound absorption component for vehicle windows capable of reducing noise caused by a motor during travelling and weight saving, while securing visibility, by being mounted on a window of a vehicle such as an automobile, a railway vehicle and the like.SOLUTION: A sound absorption component for vehicle windows includes a light transmissive base material 1 having a plurality of through-holes 1a, and a frame 2 for fixing to a vehicle window comprising a sound absorption material with a void ratio of 50.0-99.8% at the outer periphery of the light transmissive base material 1. The through-holes do not exist in a region 11 which does not have the frame 2 for fixing of the light transmissive base material 1, and the through-holes 1a exist in a region 12 which has the frame 2 for fixing, and the through-holes 1a communicate with the void of the sound absorption material used for the frame 2 for fixing.SELECTED DRAWING: Figure 1-1
Inventors:
ISHIWATARI TOYOAKI
KATSUMI YOSHIO
KATSUMI YOSHIO
Application Number:
JP2020179566A
Publication Date:
May 13, 2022
Filing Date:
October 27, 2020
Export Citation:
Assignee:
TEIJIN LTD
International Classes:
G10K11/16; B60J1/10; B60J1/18; B61D25/00; E04B1/82; E04B1/86; E04C2/54; E06B5/20
Attorney, Agent or Firm:
Taro Tameyama