B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/00 (2006.01) B31B 19/60 (2006.01) B65D 88/16 (2006.01)
Patent
CA 2226862
The invention concerns a method for fixing a first construction (31) made of a plastic material to a second construction (32a, 32b) made of a plastic material. In the method, the first construction and the second construction are fixed to one another by means of seaming devices (34), which form seams (33) at the desired locations. The first construction (31) is placed, in its ring-shaped, between the film faces (32a, 32b) that form the second construction, in which case, during seaming, there are at least four material layers placed one above the other. The first construction (31) is fixed by seaming from the desired locations by means of seams (33) to the second construction (32a, 32b) so that the outer face of the first construction (31) is fixed by seaming to the inner face of the second construction (32a, 32b), but the inner faces of the first construction (31) are not fixed to one another by seaming.
L'invention concerne un procédé de fixation d'un premier élément (31) en matière plastique sur un second élément (32a, 32b), également en matière plastique. Dans ce procédé, on fixe ces deux éléments l'un sur l'autre à l'aide de dispositifs (34) d'assemblage, lesquels forment des points de jonction (33) au niveau d'emplacements voulus. On place le premier élément (31), lequel se présente sous une forme en anneau, entre les faces (32a, 32b) des feuilles pelliculaires du second élément, et ainsi, lors de la formation des points de jonction, quatre couches au moins de matériau sont placées les unes sur les autres. On fixe le premier élément (31) sur le second élément (32a, 32b) au moyen de dispositifs (33) d'assemblage placés au niveau d'emplacements voulus, de telle manière que la face extérieure du premier élément (31) soit fixée à l'aide de points de jonction à la face interne du second élément (32a, 32b), mais que les faces internes de ce premier élément (31) ne soient pas prises dans cet assemblage.
Koskinen Erkki
Nyman Per
Marks & Clerk
Upm-Kymmene Oy
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