	US 12,233,024 B2
	Method for separating a hollow glass body from a glass tube as well as method and system for manufacturing a receptacle
Michael Droessler, Gehrden (DE)
Assigned to NIPRO CORPORATION, Osaka (JP)
Appl. No. 17/271,416
Filed by NIPRO CORPORATION, Osaka (JP)
PCT Filed Aug. 29, 2019, PCT No. PCT/JP2019/033988 § 371(c)(1), (2) Date Feb. 25, 2021, PCT Pub. No. WO2020/050139, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 10 2018 006 961.4 (DE), filed on Sep. 3, 2018; and application No. 10 2018 006 968.1 (DE), filed on Sep. 3, 2018.
Prior Publication US 2021/0347674 A1, Nov. 11, 2021
Int. Cl. C03B 33/02 (2006.01); A61J 1/06 (2006.01); A61M 5/31 (2006.01); B23K 26/0622 (2014.01); B23K 26/08 (2014.01); B23K 26/38 (2014.01); B23K 26/402 (2014.01); B65B 3/00 (2006.01); C03B 33/06 (2006.01); A61J 1/05 (2006.01); A61M 5/178 (2006.01)

CPC A61J 1/065 (2013.01) [A61M 5/3129 (2013.01); B23K 26/0622 (2015.10); B23K 26/0823 (2013.01); B23K 26/38 (2013.01); B23K 26/402 (2013.01); B65B 3/003 (2013.01); C03B 33/0222 (2013.01); C03B 33/06 (2013.01); A61J 1/05 (2013.01); A61M 5/178 (2013.01)]

20 Claims

1. A method for separating a hollow glass body from a glass tube, the method comprising:

laser cutting the glass tube to separate the hollow glass body,

wherein:

a laser beam used for the laser cutting is focused on a wall of the glass tube;

and

radiation of the laser beam comprises pulses with a repetition rate of 3 kHz to 30 kHz and

a pulse-duty factor of between 5% and 35%.