Title:
型枠保持具、及びコンクリート打ち込み方法
Document Type and Number:
Japanese Patent JP6739806
Kind Code:
B2
Abstract:
To provide a technology in which generation of a defective portion GP can be avoided and a formwork holder is not exposed on a concrete surface, to solve a problem in prior art.SOLUTION: A formwork holder of this invention is connected to a separator and holds a formwork for installing concrete, and comprises a shaft leg material and a connection material. The shaft leg material is a member including: a shaft leg comprising a first shaft leg portion and a second shaft leg portion; and a plate-shaped formwork holding plate provided in a boundary between the first shaft leg portion and the second shaft leg portion. On the other hand, the connection material is a member including a hollow cylindrical body comprising a first cylindrical portion and a second cylindrical portion. When a first male screw is screwed with a second female screw, a gap portion is formed between a tip end face of the second cylindrical portion and the formwork holding plate.SELECTED DRAWING: Figure 2
Inventors:
Eccentricity
Application Number:
JP2018206255A
Publication Date:
August 12, 2020
Filing Date:
November 01, 2018
Export Citation:
Assignee:
Eccentricity
International Classes:
E04G17/06; E04G17/065
Domestic Patent References:
| JP11350731A | ||||
| JP3168231U | ||||
| JP2012162859A | ||||
| JP63025749U | ||||
| JP2010222792A | ||||
| JP2016153592A | ||||
| JP2003095759A | ||||
| JP2008025130A | ||||
| JP62182345U | ||||
| JP49145426U | ||||
| JP2018119313A |
Attorney, Agent or Firm:
Patent business corporation Takemasa International Patent and Trademark Office