B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
72/126, 154/69,
B32B 13/02 (2006.01) B28B 11/00 (2006.01) B28B 11/08 (2006.01) B28B 23/00 (2006.01) B32B 3/26 (2006.01) E04C 2/04 (2006.01) E04C 2/40 (2006.01) E04B 2/72 (2006.01)
Patent
CA 1155043
ABSTRACT The present invention concerns a construction ele- ment, in particular containing plaster, in a plate which in- cludes reinforcements distributed throughout the greater part of its thickness, such that along lines parallel to the sides of the plate, the reinforcements are concentrated in pre- determined zone of the thickness and the plaster is removed plumb with these lines which may thus become folding lines to achieve a non-planar element. The invention also concerns a process and apparatus for manufacturing these construction elements. The invention applies, in particular, to the manu- facture of U-shaped plasterboard panels for use in ceilings and in building structures.
345070
Buck Yves
Delcoigne Adrien
Isover Saint-Gobain
Smart & Biggar
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