B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 21/08 (2006.01) B28B 1/08 (2006.01) B28B 21/14 (2006.01)
Patent
CA 2455837
A method and apparatus are disclosed for casting hollow-core concrete products, in which method concrete mix is fed into a mold of a delimited cross section traveling on a casting bed. According to the invention, the concrete mix is compacted with the help of vibratory shoes operating downstream of the concrete mix feed means, and the correct shape of the hollow-core cavities is maintained with the help of troweling mandrels.
L'invention concerne un procédé et un appareil pour couler des produits en béton à noyau creux; selon ce procédé et dans cet appareil, un mélange de béton est alimenté dans un moule présentant une section transversale délimitée qui se déplace sur un lit de coulée. Selon l'invention, le mélange de béton est compacté au moyen de sabots vibrateurs fonctionnant en aval du dispositif d'alimentation de mélange de béton, et la forme correcte des cavités à noyau creux est assurée par des mandrins de nivellement.
Jarvinen Lassi
Seppanen Aimo
Consolis Technology Oy Ab
Elematic Oy Ab
Mcfadden Fincham
LandOfFree
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