B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/52 (2006.01) D21G 3/00 (2006.01) D21H 23/34 (2006.01)
Patent
CA 2623949
The invention concerns a method for manufacturing a blade (10) , in which at least the composite base structure (15) of the blade (10) is manufactured in a pultrusion process (20) by pulling fibres (11) through at least an impregnation stage (12) and a curing stage (14), the base structure (15) is equipped with at least one wear area (16.1, 16.2) , and the said blade (10) is detached from a blade blank (22) formed of a base structure (15) and a wear area (16.1, 16.2) . The wear area of the blade (10) is formed of an edge- structure part (16.1, 16.2) protruding out side the edge of the base structure (15) . In addition, the invention also concerns a corresponding blade and part components for manufacturing a blade according to the invention.
La présente invention vise un procédé pour fabriquer une lame (10), dans le cadre duquel au moins la structure de base composite (15) de la lame (10) est fabriquée par un processus d~extrusion par étirage (20) en tirant des fibres (11) dans au moins une étape d~imprégnation (12) et une étape de séchage (14). Ladite structure de base (15) est équipée d~au moins une zone d~usure (16.1, 16.2), et ladite lame (10) est détachée d~une découpe de lame (22) formée d~une structure de base (15) et d~une zone d~usure (16.1, 16.2). La zone d~usure de la lame (10) est formée d~une partie à structure d~arête (16.1, 16.2) saillant en dehors de l~arête de la structure de base (15). L~invention concerne en outre une lame correspondante et des composants de pièces pour fabriquer une lame conformément à l~invention.
Exel Oyj
Ike-Service Oy
Robic
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