Title:
WATERSTOP DOOR
Document Type and Number:
Japanese Patent JP2018062785
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent a door body surface from being deformed.SOLUTION: A waterstop door includes an annular frame body 10 having an opening on the center side and a door body of which periphery side is overlapped on the frame body from the upstream side. The door body includes a plate-like parts 21c1, 21c2, 22c1 and 22c2, and horizontal aggregates 21p, 22o, 22p and 22q disposed between the plate-like parts. The aggregate is disposed away from the internal face of the plate-like part on the downstream side.SELECTED DRAWING: Figure 7
Inventors:
SUNAGAWA MASAHIKO
WADA TETSUHIKO
WADA TETSUHIKO
Application Number:
JP2016201534A
Publication Date:
April 19, 2018
Filing Date:
October 13, 2016
Export Citation:
Assignee:
BUNKA SHUTTER
International Classes:
E06B5/00; E06B3/82
Attorney, Agent or Firm:
Eichi International Patent Office