B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 19/00 (2006.01) E04C 2/04 (2006.01)
Patent
CA 2536971
The invention relates to a novel plasterboard and to the production methods thereof. According to the invention, the novel board is designed such that: one face comprises two first parallel tapered edges, while the other face thereof comprises two second parallel tapered edges which are perpendicular to the first; or one face comprises two first parallel tapered edges, while the same face or the other face comprises two second parallel tapered edges which are perpendicular to the first, said second parallel tapered edges having a width of between 100 and 200 mm; or, alternatively, one face comprises two first parallel tapered edges, while the same face or the other face comprises two second parallel tapered edges which are perpendicular to the first, said second parallel tapered edges having a width such that the ratio of the width thereof to the width of the first parallel tapered edges is between 1.5 and 5.
L'invention a pour objet une nouvelle plaque de plâtre et ses procédés de fabrication. La nouvelle plaque comprend sur une face deux premiers bords amincis parallèles et sur l'autre face deux seconds autres bords amincis parallèles perpendiculaires aux premiers; ou sur une face deux premiers bords amincis parallèles et soit sur la même face soit sur l'autre face deux seconds bords amincis parallèles perpendiculaires aux premiers, lesdits autres bords amincis parallèles ayant une largeur comprise entre 100 et 200mm; ou sur une face deux premiers bords amincis parallèles et soit sur la même face soit sur l'autre face deux seconds bords amincis parallèles perpendiculaires aux premiers, lesdits seconds bords amincis parallèles ayant une largeur telle que le rapport largeur desdits seconds bords amincis parallèles sur largeur desdits premiers bords amincis parallèles est compris entre 1,5 et 5.
Arese Roger
Jallon Paul
Laurent Jean-Louis
Martin Loic
Peronnet Frederic
Lafarge Platres
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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