Title:
蓋構造体及びそれを用いた閉塞構造
Document Type and Number:
Japanese Patent JP6784525
Kind Code:
B2
Abstract:
This lid structural body for closing an opening is provided with: a main plate that covers the opening; a cylindrical body that is provided so as to protrude from one surface of the main plate; an annular elastic body that abuts against one surface of the main plate and that is provided around the cylindrical body; an annular sub-plate that abuts against the elastic body from the side opposite to the main plate; and a plurality of holding structural bodies that are provided in the peripheral direction of the elastic body at a certain interval, and that enable the elastic body to maintain the abutted state against the main plate and the sub-plate, wherein each of the holding structural bodies has a rotary part provided to the other surface of the main plate, and can change an interval between the main plate and the sub-plate by rotating the rotary part.
Inventors:
Kazunori Hashimoto
Shuji Kawasaki
Shuji Kawasaki
Application Number:
JP2016134012A
Publication Date:
November 11, 2020
Filing Date:
July 06, 2016
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B63B19/00; E02D29/14
Domestic Patent References:
| JP3030973U | ||||
| JP2016099003A | ||||
| JP62055291A | ||||
| JP2013256760A | ||||
| JP6117590A | ||||
| JP2003314694A |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office