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Method, apparatus and a forming part for casting a concrete product by slipform casting

Image Number 5 for United States Patent #8246877.

Method and apparatus for casting a concrete product with a substantially horizontal slipform casting process, wherein the concrete mix is fed at least in one step through a limited cross-section moving progressively along with the cast, whereby the height of the product forming part (1) is changed during the cast. The invention also comprises a product forming part (1) having an adjustable height.

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