Title:
REINFORCEMENT UNIT FOR HOLLOW STRUCTURE, REINFORCEMENT METHOD OF HOLLOW STRUCTURE, AND HOLLOW STRUCTURE
Document Type and Number:
Japanese Patent JP2021070970
Kind Code:
A
Abstract:
To provide a reinforcement unit for a hollow structure allowing the hollow structure to be reinforced while suppressing increase of weight.SOLUTION: Reinforcement units (1, 1A, 1B, 1C, 1D) reinforcing a hollow structure (P) from an inside of the hollow structure comprises: reinforcement members (40, 51D1-54D1) deformable to a hollow shape; and a plurality of bag members (51-54, 54B, 51C-54C, 51D1-54D2) accommodated in the reinforcement member, wherein the plurality of bag members expand and push out the reinforcement members to meet at least a part of shape of an inner wall surface of the hollow structure.SELECTED DRAWING: Figure 5
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Inventors:
TSUJI KAZUMASA
HISHIDA CHIKA
HISHIDA CHIKA
Application Number:
JP2019197986A
Publication Date:
May 06, 2021
Filing Date:
October 30, 2019
Export Citation:
Assignee:
TOP PLANNING JAPAN CO LTD
TSUJI KAZUMASA
HISHIDA CHIKA
TSUJI KAZUMASA
HISHIDA CHIKA
International Classes:
E04G23/02; E04H12/00
Domestic Patent References:
| JP2013253467A | 2013-12-19 | |||
| JP2016037807A | 2016-03-22 | |||
| JP2014122540A | 2014-07-03 | |||
| JP2014101724A | 2014-06-05 | |||
| JP2014125738A | 2014-07-07 |
Attorney, Agent or Firm:
Keiichi Nishimura