US 11,912,050 B2
Screen printing, in particular rotary screen printing of textile materials
Albrecht Gebhard, Boxmeer (NL)
Assigned to PGPrints B.V., Boxmeer (NL)
Appl. No. 17/611,958
Filed by SPGPrints B.V., Boxmeer (NL)
PCT Filed Nov. 27, 2020, PCT No. PCT/EP2020/064663
§ 371(c)(1), (2) Date Nov. 17, 2021,
PCT Pub. No. WO2020/239817, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 2023203 (NL), filed on May 27, 2019.
Prior Publication US 2022/0234377 A1, Jul. 28, 2022
Int. Cl. B41N 1/24 (2006.01); B41M 1/12 (2006.01)
CPC B41M 1/12 (2013.01) [B41N 1/247 (2013.01); B41N 1/248 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method of screen printing an image on a substrate comprising the steps of:
providing a printing screen having a printing side and a squeegee side opposite the printing side, and having a pattern of screen openings delimited by bridges and crossing points;
providing an imaged lacquer layer having open areas defining the image to be printed on the printing side of the printing screen; and
forcing ink paste through the printing screen and the imaged lacquer layer from the squeegee side of the printing screen to the printing side thereof onto the substrate,
wherein:
the image to be printed comprises pixel based design elements;
the printing screen has a pattern of screen openings that are oriented in a parallelogram raster; and
the open areas of the imaged lacquer layer representing the pixel based design elements are arranged in an orthogonal raster.