US 11,780,031 B2
Method for laser processing packaging box
Liang Shih, New Taipei (TW); Heng-Kuan Lin, New Taipei (TW); and Chia-Liang Lu, New Taipei (TW)
Assigned to GREAT COMPUTER CORP., New Taipei (TW)
Filed by GREAT COMPUTER CORP., New Taipei (TW)
Filed on Dec. 1, 2020, as Appl. No. 17/108,715.
Prior Publication US 2022/0168849 A1, Jun. 2, 2022
Int. Cl. B31B 50/88 (2017.01); B23K 26/38 (2014.01); B65H 5/00 (2006.01); B65H 7/14 (2006.01); B23K 26/03 (2006.01)
CPC B23K 26/38 (2013.01) [B23K 26/032 (2013.01); B31B 50/88 (2017.08); B65H 5/00 (2013.01); B65H 7/14 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A method for laser processing a packaging box, comprising the following steps of:
step a: feeding a paper material printed with a pattern on a front side thereof to the next processing step by back feeding using an automatic paper feeder;
step b: performing edge finding on a rear side of the paper material, and forming indentations on the rear side of the paper material corresponding to where the pattern is on the front side;
step c: performing registration marking on the rear side of the paper material before laser cutting;
step d: performing laser cutting based on the registration markings created in step c to obtain a packaging box with the pattern printed on the front side and indentations formed on the rear side.