(19)
(11) EP 4 166 296 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.05.2023 Bulletin 2023/21

(43) Date of publication A2:
19.04.2023 Bulletin 2023/16

(21) Application number: 22201532.3

(22) Date of filing: 14.10.2022
(51) International Patent Classification (IPC): 
B28B 23/02(2006.01)
B28B 23/06(2006.01)
 B28B 23/04(2006.01)
B28B 7/28(2006.01)
(52) Cooperative Patent Classification (CPC):
B28B 23/022; B28B 23/043; B28B 23/06; B28B 7/28
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 15.10.2021 BE 202105814

(71) Applicant: Betonwerken Vets en Zonen nv
2400 Mol (BE)

(72) Inventors:
  • Aertgeerts, Rudy
    2400 Mol (BE)
  • Houbracken, Steven
    2400 Mol (BE)

(74) Representative: Brantsandpatents bv 
Pauline Van Pottelsberghelaan 24
9051 Ghent
9051 Ghent (BE)

   


(54) METHOD AND TABLE FOR MANUFACTURING A CONCRETE SLAB


(57) The present invention relates to a method of manufacturing a hollowcore concrete slab comprising fixing an active reinforcement to a table (1), the table (1) extending along a longitudinal direction (9), the table (1) comprising a table surface (2), the active reinforcement extending above the table surface (2) and parallel to the table surface (2) along the
longitudinal direction (9) of the table (2); prestressing the active reinforcement; pouring concrete into a mold formed by the table (1) and at least two side walls (18); curing the concrete into a hollowcore concrete slab; removing the hollowcore concrete slab from the mold (1); wherein a passive reinforcement is provided in the concrete after the concrete has been poured and before the concrete has cured. The invention also relates to a table (1) for manufacturing a hollowcore concrete slab and a use of the method or the table for manufacturing a hollowcore concrete slab.







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