Title:
CONCRETE INDUCING AGENT
Document Type and Number:
Japanese Patent JP2012096530
Kind Code:
A
Abstract:
To prevent sticking of mortar to the inside face of piping upon concrete placing, and to reduce the amount of waste disposed of without being used for construction although the waste is made to pass beforehand through the piping.
A composition containing, by mass, 35-40% of melamine sulfonate, 30-35% of sodium sulfate, and 20-30% of calcium carbonate is dropped into piping before press-feed of flow concrete, as an aqueous dispersion liquid of 10-20 g/l. The flow concrete is made to pass through the piping while covering the inside face of the piping with an aqueous dispersion material.
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Inventors:
TOYOHARA TATSUFUMI
Application Number:
JP2011220825A
Publication Date:
May 24, 2012
Filing Date:
October 05, 2011
Export Citation:
Assignee:
CHEMIUS JAPAN KK
International Classes:
B28B13/02; E04G21/04
Domestic Patent References:
| JP2008074086A | 2008-04-03 | |||
| JPH1110630A | 1999-01-19 | |||
| JP2000034461A | 2000-02-02 |
Foreign References:
| US4131480A | 1978-12-26 |
Attorney, Agent or Firm:
Bunji Kamada
Higashio Masahiro
Takayoshi Tagawa
Masanori Kitagawa
Higashio Masahiro
Takayoshi Tagawa
Masanori Kitagawa