Title:
HARDENING PREVENTION METHOD AND HARDENING PREVENTIVE FOR CEMENT
Document Type and Number:
Japanese Patent JP2004250328
Kind Code:
A
Abstract:
To provide a hardening prevention method for cement whereby cement containing water is prevented from hardening, while being permitted to coagulate, and aggregate is taken out of surplus ready-mixed concrete and reused; and to provide a hardening preventive therefor.
The method is characterized by that a specified amount of citric acid is mixed into cement containing water to prevent the cement from hardening, while permitting its coagulation.
Inventors:
HARUNA ATSUSHI
INOUE KOZO
INOUE KOZO
Application Number:
JP2004132174A
Publication Date:
September 09, 2004
Filing Date:
March 31, 2004
Export Citation:
Assignee:
ADVIC KK
International Classes:
C04B28/02; C04B24/06; (IPC1-7): C04B28/02; C04B24/06
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