Title:
CEILING MATERIAL AND ITS CEILING STRUCTURE
Document Type and Number:
Japanese Patent JP2019065598
Kind Code:
A
Abstract:
To provide a ceiling material not only making the joint of the connection portion of the ceiling material inconspicuous but also preventing accidental cutting of the edge of the downlight installation.SOLUTION: The ceiling material is formed of a plate-like and rectangular substrate 1. In the four sides 5 of the substrate 1, the corner from the surface 2 side to the end face 6 is cut off in a step shape with an L-shaped cross section over the entire length to form a step-like cutout 8 at the corner. A pseudo joint 10 is formed along the stepped cut portion 8 in the vicinity of the stepped cut portion 8. The end faces 6 of the four sides 5 of the substrate 1 are formed to be flat.SELECTED DRAWING: Figure 3
Inventors:
TAMAMURA KOZO
Application Number:
JP2017192797A
Publication Date:
April 25, 2019
Filing Date:
October 02, 2017
Export Citation:
Assignee:
DAIKEN CORP
International Classes:
E04B9/04; E04B9/00; E04F13/074; E04F13/08
Attorney, Agent or Firm:
Yoshiaki Mori
Maki Ichikawa
Maki Ichikawa