Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Repositioning or moving mold to form sequential portions of...
Reexamination Certificate
2005-02-01
2005-02-01
Colaianni, Michael P. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Forming structural installations in situ
Repositioning or moving mold to form sequential portions of...
C264S040500, C264S040700, C264S070000, C264S209100, C264S211110, C425S064000, C425S145000, C425S150000
Reexamination Certificate
active
06849211
ABSTRACT:
A method is provided are for fabricating a concrete product in a substantially horizontal slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to give a concrete product of a desired shape. The input power need of the concrete mix feed and compaction is measured, whereupon the travel resistance of the casting machine is controlled based on the value of a measured process variable. Therefore, quality variations in a slip-form cast product that are caused by changes in the density of the concrete mix and the travel resistance of the casting machine are eliminated.
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Järvinen Lassi
Lähteenmäki Arto
Seppänen Aimo
Addtek Research & Development Oy AB
Burns Doane , Swecker, Mathis LLP
Colaianni Michael P.
Poe Michael I.
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