Title:
コンクリートの鉛直打継目用型枠資材及びこれを用いた鉛直打継目用型枠
Document Type and Number:
Japanese Patent JP7470525
Kind Code:
B2
Abstract:
To provide a frame mold material for a vertical construction joint of concrete capable of discharging an air bubble or bleeding water reliably on construction of concrete.SOLUTION: In the frame mold material 1 for a vertical construction joint of concrete formed by a number of convex projections 3, 3, ... in a regular array projecting on one surface side of a sheet material 2 by an embossment process on the sheet material 2 in synthetic resin, a pore 3a is formed relative to the convex projections 3 and non-woven fabric 4 is adhered on other surface side of the sheet material 2. The convex protrusion 3 is in a truncated cone shape or pyramid trapezoidal shape and arranged in a positive grid array or a zigzag grid array.SELECTED DRAWING: Figure 4
Inventors:
Hitoshi Asano
Toru Tanaka
Hidenori Ohashi
Toru Tanaka
Hidenori Ohashi
Application Number:
JP2020026353A
Publication Date:
April 18, 2024
Filing Date:
February 19, 2020
Export Citation:
Assignee:
Toda Construction Co., Ltd.
International Classes:
E04G21/02; E04G9/10
Domestic Patent References:
| JP2001182322A | ||||
| JP5086726A | ||||
| JP2018087475A | ||||
| JP11247443A |
Attorney, Agent or Firm:
Hisashi Izumi