Method and device for filling a cavity between two sheets of...

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 17/10 (2006.01) C03C 27/12 (2006.01) E06B 3/677 (2006.01)

Patent

CA 2458387

The invention relates to a fire-resisting composite glass consisting of at least two sheets of glass (1,2) and a cavity (6) disposed therebetween. The distance between the sheets of glass (1,2) is determined by means of a peripheral cord (3) made of plastic spacer material. A cord (4) made of sealing material is placed in the edge area between the sheets of glass (1,2). At least one core element is used to form an opening in the cord (3) of spacer material in order to fill the cavity (6). Said opening is closed by a retaining stopper after filling and the cavity (6) is de-aerated. When closing occurs, the plastic spacer material (3) is re-introduced in the area of the opening and the retaining stopper is covered with sealing material (4). The method and device for carrying out said method enable peripheral cords (3,4) made of spacer material or sealing material to be automatically introduced and enable sealing and protection of the edge areas before the cavity (6) is filled.

La présente invention concerne un vitrage composé coupe-feu comprenant au moins deux vitres (1, 2) et une cavité (6) formée entre les deux. La distance entre les vitres (1, 2) est définie par un cordon périphérique (3) en matériau plastique d'espacement. De plus, dans la zone marginale formée entre les vitres (1, 2) est introduit un cordon (4) en matériau d'étanchéité. Au moins un élément central est utilisé pour former une ouverture dans le cordon (3) de matériau d'espacement, destinée au remplissage de la cavité (6). Cette ouverture est refermée après remplissage avec un bouchon à éléments d'accrochage, et la cavité (6) est dans le même temps vidée de l'air qu'elle contient. Au cours de la fermeture, le matériau plastique d'espacement (3) est à nouveau introduit au niveau de l'ouverture, puis le bouchon à éléments d'accrochage est recouvert du matériau d'étanchéité (4). Le procédé et le dispositif utilisé pour le mettre en oeuvre permettent l'introduction automatique de cordons périphériques (3, 4) en matériau d'espacement ou en matériau d'étanchéité, ainsi que l'étanchéification et la protection des zones marginales avant remplissage de la cavité (6).

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