C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 33/06 (2006.01) C03B 23/09 (2006.01) C03B 23/11 (2006.01) C03B 33/085 (2006.01)
Patent
CA 2298204
The process to which this invention relates is used to manufacture cylindrical sections from tubes, preferably of glass, for use in particular as syringe cylinders. The tubes are first withdrawn from the supply station and are then transferred individually to the processing station . There the tubes are held in such a manner that they can be moved axially forward and rotated about their axis, so that cylindrical sections can be sequentially cut from them by means of a laser. After each section is cut off, it is moved axially forward away from the tube. The opposing end surfaces of the tube and the section are simultaneously or serially melted to form a bulge or lip. Finally, the sections are conducted by means of guiding devices to the transportation unit, which is equipped with receptacles that have low heat- conducting properties, so as to avoid the occurrence of any mechanical stress in the sections as they cool, while the tube is moved forward for removal of the next section.
Glocker Joachim
Kavallar Gunter
Rustemeier Oliver
Vetter Helmut
Arzneimittel Gmbh Apotheker Vetter & Co. Ravensburg
Kirby Eades Gale Baker
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