Title:
即時脱型コンクリートブロックの製造方法
Document Type and Number:
Japanese Patent JP4364972
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing an instantly demoldable concrete block which can reduce a unit amount of concrete, obtain the block having an enough added value in appearance without post-processing, and use glass cullet as aggregate. SOLUTION: In a method for producing an instantly demoldable concrete block in which after aggregate, hydraulic cement, and water are kneaded in an ultra-hard kneading state (slump 0 cm), the kneaded material is charged into a mold, compacted by vibration and pressurized, molded, demolded immediately, and cured to obtain a concrete block, heavy calcium bicarbonate fine powder is used in place of a part of the hydraulic cement, and a high performance water reducing agent and an aqueous polymer dispersion are used together to prepare the kneaded material.
Inventors:
Toshikazu Ino
Application Number:
JP20194199A
Publication Date:
November 18, 2009
Filing Date:
July 15, 1999
Export Citation:
Assignee:
IZCON Co., Ltd.
Uchino Echo Poration
Uchino Echo Poration
International Classes:
B28B3/02; C04B18/16; C04B14/22; C04B14/28; C04B18/12; C04B24/24; C04B28/00
Domestic Patent References:
| JP6099418A | ||||
| JP9315845A |
Attorney, Agent or Firm:
Kosaku Sugimura