US 12,383,983 B2
Apparatus for creating a hole in a glass container
Markus Ehrat, Magden (CH); Claudio Furrer, Dagmersellen (CH); and Beat Luscher, Suhr (CH)
Assigned to ORVINUM AG, Magden (CH)
Appl. No. 17/766,397
Filed by ORVINUM AG, Magden (CH)
PCT Filed Oct. 5, 2020, PCT No. PCT/EP2020/077891
§ 371(c)(1), (2) Date Apr. 4, 2022,
PCT Pub. No. WO2021/064255, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 19201358 (EP), filed on Oct. 3, 2019.
Prior Publication US 2022/0402075 A1, Dec. 22, 2022
Int. Cl. B23K 26/382 (2014.01); B23K 26/03 (2006.01); B23K 26/0622 (2014.01); B23K 26/402 (2014.01); G01N 1/10 (2006.01); B23K 26/08 (2014.01); B23K 26/70 (2014.01); B23K 103/00 (2006.01)
CPC B23K 26/389 (2015.10) [B23K 26/03 (2013.01); B23K 26/0622 (2015.10); B23K 26/402 (2013.01); G01N 1/10 (2013.01); B23K 26/08 (2013.01); B23K 2103/54 (2018.08); G01N 2001/1037 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for creating a hole in a glass container with a medium stored therein, comprising:
focusing laser pulses with a wavelength in the ultraviolet regime onto the glass container at a location having an air bubble on the inside of the glass container, said location being on a curved portion connecting a bottleneck and a body of the glass container, to create a hole by laser ablation in the glass container;
wherein an energy of the laser pulses is less than twice the laser pulse energy required at the ablation threshold of the glass container.