Structural components and their manufacture

Details Structural components and their manufacture Structural components and their manufacture

B - Operations, Transporting

21

D

B21D 53/74 (2006.01) E04B 1/08 (2006.01) E04C 3/09 (2006.01) E04C 3/11 (2006.01) E04C 3/40 (2006.01) E06B 3/96 (2006.01) E04C 3/04 (2006.01)

Patent

CA 2360434

A continuous, cold rolled metal section for forming an n-sided closed frame is divided along its length by transverse aligned cuts (1, 2, 3) in longitudinally spaced pairs at its opposite sides respectively, the cuts dividing the section into the number of sides (6, 7, 8, 9) of the frame which are foldable relative to one another to form a predetermined angle of the frame, in use. The two end sides (6, 9) of the section have in their respective sides, which overlap on assembly of the frame, holes (4, 5) respectively which, when said two end sides are at the correct angle to one another in the assembled frame, are spaced linearly apart by a predetermined distance. In this way the required frame geometry can easily be achieved, assembly requiring only a simple reference tool (11; 13).

L'invention concerne une section métallique continue laminée à froid, destinée à former une structure fermée à n côtés, et divisée sur sa longueur par des encoches transversales alignées (1, 2, 3) en paires longitudinalement espacées de part et d'autre de ladite section. Ces encoches divisent la section en un nombre de côtés (6, 7, 8, 9) correspondant aux côtés de la structure et pouvant être repliés les uns par rapport aux autres pour former un angle prédéterminé de la structure en utilisation. Les deux côtés (6, 9) d'extrémité de la section qui se superposent lors de l'assemblage de la structure comprennent, respectivement, des orifices (4, 5) qui, lorsque les deux côtés d'extrémité forment l'angle correct dans la structure assemblée, sont espacés linéairement par une distance prédéterminée. On peut ainsi facilement obtenir la géométrie désirée de la structure, l'assemblage ne nécessitant qu'un simple outil de référence (11; 13).

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