Title:
吸音天井タイル
Document Type and Number:
Japanese Patent JP6949008
Kind Code:
B2
Abstract:
An acoustical tile including: 8 to 25 wt % mineral wool, 9 to 15 wt % starch binder, 9 to 15 wt % cellulosic fiber, wherein preferably the cellulosic fiber is newsprint, and 40 to 65 wt % perlite, wherein the weight ratio of the starch to the cellulosic fiber is 0.6 to 1.3:1; and a process for making the acoustical tile.
Inventors:
Mark H. Ingrat
William A. Frank
William A. Frank
Application Number:
JP2018513325A
Publication Date:
October 13, 2021
Filing Date:
September 13, 2016
Export Citation:
Assignee:
USG Interiors LLC
International Classes:
C04B38/00; B09B3/00; D21H13/40; D21H17/01; E04B1/86; E04B9/00
Domestic Patent References:
| JP2011508839A | ||||
| JP50153031A | ||||
| JP8066985A |
Foreign References:
| US5964934 | ||||
| US5911818 |
Attorney, Agent or Firm:
Kyosei International Patent Office