US 12,269,058 B2
Board edge casting process and application thereof
Jianping Cheng, Jinhua (CN); and Shuhong Lin, Jinhua (CN)
Assigned to Jianping Cheng, Jinhua (CN)
Appl. No. 18/009,748
Filed by Jianping Cheng, Jinhua (CN)
PCT Filed Jun. 15, 2021, PCT No. PCT/CN2021/100116
§ 371(c)(1), (2) Date Dec. 12, 2022,
PCT Pub. No. WO2021/254329, PCT Pub. Date Dec. 23, 2021.
Claims priority of application No. 202010554243.5 (CN), filed on Jun. 17, 2020; and application No. 202010839725.5 (CN), filed on Aug. 19, 2020.
Prior Publication US 2023/0241800 A1, Aug. 3, 2023
Int. Cl. B05D 5/00 (2006.01); B27D 5/00 (2006.01); B29D 7/00 (2006.01); B33Y 80/00 (2015.01)
CPC B05D 5/00 (2013.01) [B27D 5/003 (2013.01); B29D 7/00 (2013.01); B33Y 80/00 (2014.12)] 7 Claims
OG exemplary drawing
 
1. An edge-casting process for sheet materials, comprising the following steps:
S1. making a first groove in an upper side of a sheet material, wherein the sheet material includes a main body and a processing margin, the first groove is located between the main body and the processing margin;
S2. casting or covering a high solid content coating material into said first groove and solidify it;
S3. making a second groove in a lower side of the sheet material opposite to the upper side, and casting a high solid content coating material into said second groove and solidify it; wherein the second groove is communicated with the first groove and is located between the main body and the processing margin, and solidified coating material in the first groove and the second groove separates the processing margin from the main body; and
S4. milling and chamfering the sheet material to remove the processing margin, then performing an edge-casting process.