Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Measuring a weight or volume
Reexamination Certificate
2006-12-21
2010-06-01
Wyrozebski, Kat (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Measuring a weight or volume
C264S040100, C264S409000, C073S038000, C073S866000, C425S169000
Reexamination Certificate
active
07727432
ABSTRACT:
Methods and apparatus are presented for quality control of a process to produce concrete goods products. The quality control is effected on the basis of measurements that are carried out on the concrete goods products in an intermediate step of the process after shaping and compacting in the fresh concrete phase. Measurement values are determined on a test fresh concrete product from the intermediate step of the process, which measurement values comprise a measure of the bulk density and the gas permeability of the test fresh concrete product. Subsequently, an estimated value for a quality measure of the hardened concrete product is determined on the basis of a predetermined predictive model. The predictive model relates the measurement values of fresh concrete products from the intermediate step of the process to the quality measure of the corresponding hardened concrete products.
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International Application No. PCT/EP2006/012394, International Search Report mailed Mar. 15, 2007, 6 pgs.
Dodds Scott W
Qavertec GmbH
Schwegman Lundberg & Woessner, P.A.
Wyrozebski Kat
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