Title:
CONCRETE BLOCK FORMED WITH INNER GRIP, MANUFACTURING METHOD THEREOF, AND CORE FOR BLOCK MANUFACTURING MACHINE
Document Type and Number:
Japanese Patent JP2016221931
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a concrete block formed with an inner grip for facilitating carrying and construction of the concrete block.SOLUTION: In a method of manufacturing a concrete block formed with an inner grip, after a molding form for forming an outer shape of a concrete block and a core for forming at least one vertical through hole or vertical hole are set in a form for the block, an uncured concrete material is poured, the uncured concrete material is pressurized by a pressurizing member and vibrated by a vibration machine, the set core is removed from the molding form and a form removal table is lowered to remove a block from the molding form, and then the block is transferred to a stock storage place via a curing room. The outer periphery of the core 3 is formed with a plurality of projecting parts 7 projecting vertically. After removed from the molding form, the inner peripheral surface of the vertical through hole or the vertical hole of the block is formed with a rugged shape.SELECTED DRAWING: Figure 2
Inventors:
KOKUBU TSUNEJI
Application Number:
JP2015113570A
Publication Date:
December 28, 2016
Filing Date:
June 04, 2015
Export Citation:
Assignee:
KOKUBU TSUNEJI
International Classes:
B28B3/02; B28B7/16
Domestic Patent References:
| JPS6288010U | 1987-06-05 | |||
| JPH0985723A | 1997-03-31 | |||
| JPH09109123A | 1997-04-28 | |||
| JP2001107485A | 2001-04-17 | |||
| JP3030361U | 1996-10-22 |
Attorney, Agent or Firm:
Jun Komatsu