Method for producing chemically prestressed concrete...

Plastic article or earthenware shaping or treating: apparatus – Endless casting surface and cooperating harvesting means

Reexamination Certificate

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C264S234000, C264S345000, C264S570000

Reexamination Certificate

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07086849

ABSTRACT:
Method of manufacturing high strength chemically prestressed concrete molding products with great amount of introduced chemical prestress and smaller loss of the same, a high temperature high pressure underwater curing apparatus concrete molding products excellent in energy efficiency, productivity and safety by re-utilizing curing water, as well as a curing method thereof are provided.

REFERENCES:
patent: 4774045 (1988-09-01), Kushida et al.
patent: 44-14834 (1969-07-01), None
patent: 51-32644 (1976-09-01), None
patent: 2-307877 (1990-12-01), None
patent: 9-351234 (1999-07-01), None
Y. Tsuji, et al.: “Flexural Property of Chemical-Prestressed Concrete Beam Subjected to Drying-Shrinkage”; 1985; Articles in Seventh Annual Concrete Engineering Lecture Meeting, 33-36.
S. Nagataki; “Improvement of Concretes Performance”; 1997; p. 43-46.
A. Nakamura; “Recent Cements”; Concrete Products, Industry and Products No. 53, p. 42-53.

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