B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/78
B28B 7/28 (2006.01) B28B 7/24 (2006.01) B28B 13/02 (2006.01) E04F 13/14 (2006.01)
Patent
CA 2025840
ABSTRACT The invention refers to a process of manufacturing intermediate concrete products, preferably tiles, which consists of casting a non-segregatable concrete mass of casting consistency into corresponding forms. The concrete mass is cast by means of a charging head 4 and by discharge nozzles 6 arranged thereon, whereby the pressure of the concrete mass at the outlet of the nozzles 6 is adjusted to the largest cross-section of the product being cast and equals from 0.1 bar to 0.5 bar, preferably 0.2 bar. Nozzles 6 being located in the area of the bottom of the form 5 at the beginning of casting, start to rise when the concrete mass has filled the form 5 essentially one third in height. The lifting velocity of the charging head 4 and thereby of the nozzles 6 is adjusted to the cross-section of the product being cast, and equal from 0.05 ms-1 to 0.2 ms-1, preferably 0.1 ms-1. The invention also refers to a form for manufacturing concrete tiles and to an apparatus for carrying out said process. PAT 15954-1
Bajc Ivan
Bernik Mitja
Durini Janez
Gjura Janez
Korla Jadran
Bajc Ivan
Bernik Mitja
Borden Ladner Gervais Llp
Durini Janez
Gjura Janez
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