Method in a furnace for bending in series, and a furnace for...

C - Chemistry – Metallurgy – 03 – B

Patent

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Details

C03B 23/025 (2006.01) C03B 29/08 (2006.01)

Patent

CA 2145852

The invention relates to a method in a sequential bending furnace for bending glass sheets. According to the method, carriages (2) or the like are advanced in the furnace into a section downstream in the traveling direction of the carriages for a subsequent bending cycle essentially by using at least two transfer assemblies (4a, 4b), providing a transfer mechanism and including first and second locking elements (6, 9) which are in a transfer-force transmitting relationship during the course of a transfer. This is followed by disengaging the locking elements (6, 9) and then transfer and locking rods (8) included in the transfer assemblies (4a, 4b) are returned to a transfer commencing position in a manner that at least one transfer assembly (4a, 4b) is in a locking position during transfers. Finally, the second locking elements (9) included in the transfer and locking rods (8) returned to the position for commencing a transfer of the carriage (2) are clamped to the first locking elements (6) of the camages (2) or the like for a subsequent transfer of the carriages or the like effected between the sections.

L'invention se rapporte à un procédé de cintrage de feuilles de verre dans un four de cintrage séquentiel. Selon ce procédé, des chariots (2) ou autres sont déplacés vers l'avant dans le four, dans une section en aval par rapport au sens de déplacement des chariots pour subir un cycle de cintrage ultérieur, essentiellement par l'intermédiaire d'au moins deux ensembles de transfert (4a, 4b) constituant un mécanisme de transfert et comprenant des premiers et second éléments de verrouillage (6, 9) placés en un rapport de transmission de force de transfert au cours d'un transfert. Ceci est suivi de la libération des éléments de verrouillage (6, 9), après quoi des tiges de transfert et de verrouillage (8) incluses dans les ensembles de transfert (4a, 4b) sont ramenées vers une position de début de transfert de façon qu'au moins l'un des ensembles de transfert (4a, 4b) se trouve en une position de verrouillage au cours des transferts. Enfin, les seconds éléments de verrouillage (9) inclus dans les tiges de transfert et de verrouillage (8) qui sont ramenées vers la position de début de transfert du chariot (2) sont serrés contre les premiers éléments de verrouillage (6) des chariots (2) ou autres afin d'effectuer un transfert ultérieur des chariots ou autres entre les sections.

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