| 摘要 |
A device for butt welding of fibre optic preformers. A device for the butt welding of fibre optic preformers comprises two preformers (7, 9) mounted on a glassmakers lathe (1) in order to be rotated around the same rotation axis (A) and in order for at least one of them to be displaced in translation parallel to this rotation axis (A), two nozzles (19, 23) carried by two oxyhydrogen blowtorches (17, 21) being arranged in a plane perpendicular to the rotation axis (A) and creating two flames (191, 231) between the two ends (71, 91) of the two preformers facing each other. At least one (23) of the two nozzles is mounted to move perpendicular to the rotation axis (A) in a manner to make the two flames (191, 231) converge towards the rotation axis (A) and to create two heated cones (6, 8) to the right of the two ends (71, 91) of the preformers. |
