Roll-over air bag with reinforced seal and method of sealing

Details Roll-over air bag with reinforced seal and method of sealing Roll-over air bag with reinforced seal and method of sealing

B - Operations, Transporting

29

C

B29C 65/04 (2006.01) B29C 65/00 (2006.01) B60R 21/16 (2006.01) B60R 22/18 (2006.01)

Patent

CA 2394638

A roll-over airbag having an upper fabric panel (15) and a lower fabric panel (20) perimetrically bonded to the upper fabric panel (15). This perimetric joint is reinforced with a securement member (32) defining a reinforced interior seal. In order to limit the height and/or thickness of the roll-over airbag (10) by limiting the displacement of the upper and lower fabric panels (15 and 20) from one another during expansion of the roll-over airbag, at least one tether member is disposed within roll-over airbag. Further, a method for producing a flat seam includes bonding the perimeters of the upper and lower panels (15, 20) using radio frequency energy.

L'invention concerne un dispositif de protection pneumatique en cas de tonneau possédant un panneau supérieur en toile (15) et un panneau inférieur en toile (20) lié sur son pourtour au panneau supérieur en toile (15). Cette agrafe sur le pourtour est renforcée par un élément de fixation (32) définissant une agrafe intérieure renforcée. En vue de réduire la hauteur et/ou l'épaisseur du dispositif de protection pneumatique en cas de tonneau (10), en limitant le déplacement des panneaux en toile supérieur et inférieur (15 et 20), de l'un à l'autre pendant le gonflage du dispositif de protection pneumatique en cas de tonneau, un élément de fixation au moins est disposé à l'intérieur du dispositif de protection pneumatique, en cas de tonneau. L'invention concerne également un procédé de production d'une couture plate, comportant la liaison des pourtours des panneaux en toile supérieur et inférieur (15 et 20) et utilisant l'énergie d'une fréquence radio.

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