Lost mould element for manufacturing reinforced concrete...

B - Operations – Transporting – 28 – B

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B28B 23/00 (2006.01) E04B 5/32 (2006.01) E04C 5/16 (2006.01) E04C 5/20 (2006.01)

Patent

CA 2379092

The present invention is concerned with a lost mould element for manufacturing conventional reinforced concrete flat slabs, which is intended, when used together with others mould elements for creating voids and for allowing the moulding of beams, characterised in that the said mould element (6, 9, 26, 29) is made of recycled plastic material, having the shape of a hollow box, substantially of flat prismatic shape, preferably, rectangular or square, which is formed from to half boxes, an upper one (9, 29) and a lower one (6, 26), joined together removably, each mould element has sides or lateral walls with profiles which define together with others sides or lateral walls of the others mould elements, "I" profiled channels or "I" degenerated profiled channels for moulding beams, and between the sides or lateral walls are arranged steel rod attachment and distribution supports (5, 5a; 25, 25A) for securing the steel rods (4; 24), for reinforcement of said "I" or "I" degenerated profiled beams (12; 32). The mould elements of the present invention can be used in building industry.

La présente invention concerne un moule perdu servant à fabriquer des dalles planes en béton armé classiques et permettant, lorsqu'il est utilisé avec d'autres moules, de créer des cavités et de mouler des poutres. Ledit moule (6, 9, 26, 29) est fait d'une matière plastique recyclée, en forme de caisson creux à la forme prismatique sensiblement plane et, de préférence, rectangulaire ou carrée, formé à partir de deux moitiés de caisson, une moitié supérieure (9, 29) et une moitié inférieure (6, 26) connectées de manière amovible. Chaque moule possède des côtés ou parois latérales avec des profils définissant les côtés ou parois latérales des autres moules ; des canaux aux profils en "I" ou des canaux aux profils dégénérés en "I" servant au moulage des poutres ; et, entre les côtés ou parois latérales, des supports (5, 5a; 25, 25A) de fixation et de distribution de barres d'acier, servant à fixer les barres d'acier (4; 24) pour armer lesdites poutres (12, 32) aux profils en "I" ou aux profils dégénérés en "I". Les moules de la présente invention peuvent être utilisés dans l'industrie du bâtiment.

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