Curved building panel, building structure, panel curving...

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 5/14 (2006.01) E04B 1/32 (2006.01)

Patent

CA 2744552

A building panel formed from sheet material extends in a longitudinal direction along its length and includes a curved center portion in cross section, a pair of side portions extending from the curved center portion, and a pair of connecting portions extending from the side portions. The curved center portion includes a plurality segments extending in the longitudinal direction. The panel is curved in the longitudinal direction without having transverse corrugations. A particular segment may have a depth greater than that of another segment to accommodate the longitudinal curve. A system for longitudinally curving the panel includes first and second curving assemblies, each of which includes multiple rollers arranged to contact the panel as it passes along, a positioning mechanism for changing a relative rotational orientation between the first and second curving assemblies, a drive system for moving the panel longitudinally, and a control system for controlling the positioning mechanism.

Un panneau de construction formé d'un matériau en feuille s'étend dans une direction longitudinale dans le sens de sa longueur et comprend une partie centrale cintrée en coupe transversale, une paire de parties latérales s'étendant depuis la partie centrale cintrée, et une paire de parties de liaison sétendant depuis les parties latérales. La partie centrale cintrée comprend une pluralité de segments s'étendant dans la direction longitudinale. Le panneau est cintré dans la direction longitudinale sans présenter d'ondulations transversales. Un segment particulier peut présenter une profondeur supérieure à celle d'un autre segment afin de recevoir le cintrage longitudinal. Un système permettant de cintrer longitudinalement le panneau comprend des premier et second ensembles de cintrage, chacun comprenant des rouleaux multiples conçus pour entrer en contact avec le panneau lors du passage de celui-ci, un mécanisme de positionnement permettant de modifier une orientation de rotation relative entre les premier et second ensembles de cintrage, un système dentraînement permettant de déplacer le panneau longitudinalement, et un système de commande permettant de commander le mécanisme de positionnement.

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