E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
E01F 9/018 (2006.01)
Patent
CA 2546935
The invention relates to a method for production of masts mainly formed of extruded bodies and with a general cross section comprising at least three mast elements (1, 2) joined together at the corners (3) by means of cooperating rail sections (5) and channel sections (4). The channel section (4) are provided with tapered inner wall sections (4A, 4B) and the elements are joined by inserting the rail section (5) of a mast element (1, 2) into the channel section (4) of an adjacent mast element (1, 2), and clamped together by a substantial continuous movement of a roller like tool (11, 12) in longitudinal direction and on the external side of each side of the channel section (4), causing permanent deformation of the walls of the channel section (4) around the rail section (5), thereby establishing a permanently joined corner (3).
L'invention concerne un procédé de production de mâts constitués essentiellement de corps extrudés et présentant une section transversale générale comprenant au moins trois éléments de mât (1, 2) assemblés au niveau des coins (3) au moyen de parties de rails (5) et de parties de profilés (4) coopérant. Les parties de profilés (4) sont dotées de parties de parois intérieures coniques (4A, 4B) et les éléments sont assemblés par insertion de la partie de rail (5) d'un élément de mât (1, 2) dans la partie de profilé (4) d'un élément de mât adjacent (1, 2), et elles sont fixées ensemble par un mouvement sensiblement continu d'un outil en forme de rouleau (11, 12) dans le sens longitudinal, et sur le côté extérieur de chaque face de la partie de profilé (4), provoquant une déformation permanente des parois de la partie de profilé (4) autour de la partie de rail (5), établissant ainsi un coin assemblé de façon permanente (3).
Heglund Kim
Skoeld Johnny
Borden Ladner Gervais Llp
Juralco A/s
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