Method for casting of concrete products

Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Repositioning or moving mold to form sequential portions of...

Reexamination Certificate

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Details

C264S034000, C264S040100, C264S040400, C264S209100, C264S211110, C264S333000, C425S062000, C425S063000, C425S064000, C425S145000, C425S147000, C425S148000

Reexamination Certificate

active

06998075

ABSTRACT:
A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the length of the casting bed.

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patent: WO 01/10616 (2001-02-01), None

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