Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2007-05-22
2011-12-20
Ali, Shuangyi Abu (Department: 1731)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S720000, C106S624000, C106S629000
Reexamination Certificate
active
08080104
ABSTRACT:
A filler for reinforcement joint that ensures excellent fluidity and retention thereof, exhibiting appropriate length change ratio and high strength performance; and a method of reinforcement joint filling operation using the same. There are provided a filler for reinforcement joint containing a cement, an expanding material, a pozzolana micropowder, a water reducing agent and a sand, and a method of reinforcement joint filling operation using the same, characterized in that the expanding material is a calcium aluminoferrite expanding material, and that the pozzolana micropowder is a silicious micropowder having a silicon dioxide (SiO2) content of 90% or higher and having a hydrogen ion concentration falling in an acid region, and that the water reducing agent is a polycarboxylic acid water reducing agent. The calcium aluminoferrite expanding material preferably has a value of Brain specific surface area of 2000 to 6000 cm2/g. The sand is preferably a weighty sand of 3.0 g/cm3or higher density.
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Abukawa Masahiro
Otsuka Tetsuo
Shiraiwa Tooru
Yagi Tooru
Abu Ali Shuangyi
Denki Kagaku Kogyo Kabushiki Kaisha
Kanesaka Manabu
Splice Sleeve Japan, Ltd.
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