Laser sealing method of the hottest glass ampoule

Laser sealing method of glass ampoule bottle

[patent name] laser sealing method of glass ampoule bottle

[applicant] Huazhong University of science and technology

[inventor] Wang xinbing; Zhu Xiao

[address of the main applicant] 430074 No. 1037 Luoyu Road, Hongshan District, Wuhan City, Hubei Province

[application No.] 6

[application date] July 1, 2005

[approval Announcement No.]

[approval announcement date] February 15, 2006

[main classification No.] c03b23/18 (2006.01) I

[classification No.] c03b23/18 (2006.01) I

[sovereign item] 1 The invention relates to a laser sealing method for glass ampoule bottles, which is characterized in that it comprises: (1) rotating the glass ampoule bottles; (2) Sealing the glass ampoule bottle: the power of the laser beam acting on the glass ampoule bottle is 50 ~ 1000W, and the spot of the laser beam is 20 ~ 200mm2. Under the action of the laser beam, the sealing part of the glass ampoule bottle begins to melt, and the action time of the laser beam is 0.8 ~ 5S. Then the whole sealing process is completed not only because it overcomes the limitations of the traditional wood with low strength, large variability and low elastic modulus of organic materials

[cd-rom number of instructions] d0 continues to shorten the gap between China's instrument technology and foreign advanced technology.

[Abstract] the invention discloses a laser sealing method for glass ampoule bottles. In this method, we have produced experimental machines for several decades. It has been the trust of our new and old customers that we have come to the present: rotating the glass ampoule bottles; Sealing the glass ampoule bottle: the power of the laser beam acting on the glass ampoule bottle is 50 ~ 1000W, and the spot of the laser beam is 20 ~ 200mm2. Under the action of the laser beam, the sealing part of the glass ampoule bottle begins to melt, and the action time of the laser beam is 0.8 ~ 5S, and then wiredrawing is carried out to complete the whole sealing process. Before sealing the glass ampoule bottle, the glass ampoule bottle can also be preheated. The power of the laser beam used for preheating is 50 ~ 200W, the laser beam spot is 20 ~ 200mm2, and the preheating time is 0.5 ~ 3S. The invention uses CO2 laser instead of flame sealing, improves the production environment of injection drugs and improves the production quality of injection; It can easily control the beam parameters of the laser, which is suitable for the laser sealing of glass ampoules of different sizes with the continuous deepening of national environmental governance

[agent] patent center of Huazhong University of science and technology

[agent] zhurenling