D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 3/04 (2012.01) B32B 5/12 (2006.01) D01F 9/12 (2006.01) D03D 15/06 (2006.01)
Patent
CA 2659555
The invention relates to a method for the continuous production of a multiaxial contexture web, in which a uniaxial contexture (4, 102, 103, 302, 303, 402, 403) is shaped to form a multiaxial contexture (5, 101, 301, 401) by winding about a plane (104, 306, 406), and to a corresponding apparatus for carrying out the method according to the invention. According to the invention, in order to accelerate the production method and for improved handling of the contextures (4, 5, 101, 102, 103, 301, 302, 303, 401, 402, 403) during the production process, there is provision for clamping elements (6, 7) to be used as delimitation of a plane (104, 306, 406), around which the uniaxial contexture (4, 102, 103, 302, 303, 402, 403) is wound. Furthermore, in order to reduce the friction during the production of the multiaxial contextures (5, 101, 301, 401), there is provision for at least one belt or band drive (105) to be used which runs along two side edges (106, 107) which lie opposite one another. Furthermore, there is provision according to the invention for a unidirectional contexture (4, 102, 103, 302, 303, 402, 403) to be wound at an angle around a plate (201) to form a reel, wherein the plate (201) is provided with an apparatus for compensating for friction and the reel (245) is pulled off from the plate (201). In addition, it is proposed to set the winding plane (104, 306, 406) in mechanical oscillation during the winding operation, in order to pull off the multiaxial contexture (5, 101, 301, 401) from the winding plane (104, 306, 406) with a low frictional resistance as a result of the oscillations. Furthermore, it is proposed to select an oblique position of the longitudinal axis (407) of the winding plane (104, 306, 406) in relation to the direction of gravity (408).
L'invention concerne un procédé de fabrication continue d'une bande de canevas multiaxiale, avec lequel un canevas uniaxial (4, 102, 103, 302, 303, 402, 403) est façonné par enroulement autour d'un plan (104, 306, 406) pour former un canevas multiaxial (5, 101, 301, 401). L'invention concerne en outre un dispositif correspondant pour mettre en AEuvre le procédé selon l'invention. Conformément à l'invention, on utilise, pour accélérer le procédé de fabrication et obtenir une meilleure manipulation du canevas (4, 5, 101, 102, 103, 301, 302, 303, 401, 402, 403) pendant le processus de production, des éléments de serrage (6, 7) servant de limitation d'un plan (104, 306, 406) autour duquel le canevas uniaxial (4, 102, 103, 302, 303, 402, 403) est enroulé. En outre, on utilise, pour réduire le frottement pendant la fabrication du canevas multiaxial (5, 101, 301, 401), au moins un entraînement à courroie ou à bande (105) qui s'étend le long de deux arêtes latérales opposées (106, 107). En outre, conformément à l'invention, un canevas unidirectionnel (4, 102, 103, 302, 303, 402, 403) est enroulé suivant un certain angle autour d'une plaque (201) pour former une bobine, la plaque (201) étant munie d'un dispositif de compensation du frottement et la bobine (245) étant tirée de la plaque (201). En outre, le plan de bobinage (104, 306, 406) est soumis à des oscillations mécaniques pendant l'opération de bobinage, afin de retirer avec une faible résistance de frottement le canevas multiaxial (5, 101, 301, 401) du plan de bobinage (104, 306, 406). En outre, on choisit une position oblique de l'axe longitudinal (407) du plan de bobinage (104, 306, 406) par rapport à la direction de la force de pesanteur (408).
Scholten Friedhelm
Szukat Klaus
Mcfadden Fincham
Md Fibertech Corporation
LandOfFree
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