Title:
STEEL PIPE FOR JOINT, UPPER COLUMN, MOLD FRAME FOR UPPER COLUMN MOLDING, AND METHOD FOR MANUFACTURING UPPER COLUMN
Document Type and Number:
Japanese Patent JP2020147991
Kind Code:
A
Abstract:
To provide a mold frame for upper column molding which can appropriately mold an upper column.SOLUTION: A mold frame 1 for upper column molding for manufacturing an upper column has a cylindrical integral molding part 5 integrated with a concrete part, a seat plate part 6 having an outer diameter larger than that of the integral molding part 5, and a cylindrical fitting part 7 fit into a lower column. The mold frame 1 for upper column molding includes a cylindrical mold frame body 21 assembled with a plurality of mold frame structures 22a and 22b. The mold frame body 21 has a first mold frame part 23 which enables the integral molding part 5 to be installed therein, a flange part 24 which is provided on one end in an axial direction of the first mold frame part 23, has an inner diameter larger than that of the first mold frame part 23 and can be brought into contact with the seat plate part 6, and a second mold frame part 25 which extends to one side in the axial direction from the flange part 24, has an inner diameter larger than that of the first mold frame part 23, and enables the fitting part 7 to be installed therein.SELECTED DRAWING: Figure 1
Inventors:
FURUICHI MAMORU
HASEGAWA MITSURU
HASEGAWA MITSURU
Application Number:
JP2019046118A
Publication Date:
September 17, 2020
Filing Date:
March 13, 2019
Export Citation:
Assignee:
NIPPON CONCRETE IND CO LTD
International Classes:
E04H12/12; B28B21/80; B28B23/08; E04B1/58; H02G7/00
Domestic Patent References:
| JP2016153598A | 2016-08-25 | |||
| JP3015499U | 1995-09-05 |
Foreign References:
| US20170247901A1 | 2017-08-31 |
Attorney, Agent or Firm:
Satoshi Kabazawa
Tetsuya Yamada
Tetsuya Yamada