Means and method for the manufacture of building panels

Details Means and method for the manufacture of building panels Means and method for the manufacture of building panels

B - Operations, Transporting

28

B

B28B 7/18 (2006.01)

Patent

CA 2213239

A method of moulding a unitary hollow building panel (10) having opposed outer spaced apart walls (11, 12) interconnected by a plurality of webs (13) which together with the walls (11, 12) form cavities (14) extending between opposite sides of the panel, wherein a plurality of removable plug members (20) are inserted so as to lie transversely of a tray-like mould (15) and supported with their underside surfaces spaced from the base wall of the mould (15) the spaces between adjacent plug members (20) defining internal mould cavities for the formation of the panel webs (13), and wherein quantities of a wet pourable mix of a mouldable material together with reinforcement material are added to the tray-like mould to embed the plug members (20) and to fill the spaces therebetween, and wherein after the wet pourable mix in the mould has set, the internal plug members (20) are withdrawn by an extraction unit (21), horizontally sideways from the mould, whereafter the moulded panel (10) is removed from the mould (15).

L'invention porte sur une technique de moulage d'un panneau de construction creux unitaire (10) ayant des parois extérieures opposées séparées l'une de l'autre (11, 12) et reliées entre elles par plusieurs cloisons (13) qui, avec les parois (11, 12) forment des cavités (14) se trouvant entre les cotés opposés du panneau. Dans le cadre de cette technique, on insère plusieurs poinçons amovibles (20) de façon à les placer en travers d'un moule du type bac (15) et à les maintenir en place, leurs surfaces inférieures restant séparées de la paroi de base du moule (15). Les espaces entre des poinçons (20) contigus délimitent des cavités intérieures du moule servant à former les cloisons du panneau (13). On ajoute dans le moule du type bac un mélange coulable mouillé d'une substance moulable en même temps qu'un matériau de renforcement afin d'inclure les poinçons (20) et de remplir les espaces les séparant. Après que le mélange coulable a durci dans le moule, les poinçons se trouvant à l'intérieur en sont retirés à l'aide d'un équipement d'extraction (21), horizontalement et obliquement, à la suite de quoi on enlève le panneau moulé (10) du moule (15).

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