US 11,807,437 B2
Liquid food packaging material, system and method for applying an opening to the packaging material
Sverker Olsson, Sodra Sandby (SE); Paul Tragardh, Loddekopinge (SE); Par Rydberg, Genarp (SE); Thomas Schuman, Hjarup (SE); Kristina Juuso Brylander, Limhamn (SE); Paolo Nasi, Modena (IT); and Matiulla Shaikh, Bunkeflostrand (SE)
Assigned to Tetra Laval Holdings & Finance S.A., Pully (CH)
Appl. No. 16/772,999
Filed by Tetra Laval Holdings & Finance S.A., Pully (SE)
PCT Filed Oct. 25, 2018, PCT No. PCT/EP2018/079306
§ 371(c)(1), (2) Date Jun. 15, 2020,
PCT Pub. No. WO2019/115075, PCT Pub. Date Jun. 20, 2019.
Claims priority of application No. 17207669 (EP), filed on Dec. 15, 2017.
Prior Publication US 2020/0391919 A1, Dec. 17, 2020
Int. Cl. B65D 65/40 (2006.01); B32B 1/02 (2006.01); B32B 3/26 (2006.01); B32B 27/10 (2006.01); B65B 3/02 (2006.01); B65B 3/04 (2006.01); B65D 5/42 (2006.01); B65D 5/74 (2006.01); B65D 85/72 (2006.01); B32B 15/00 (2006.01); B32B 29/00 (2006.01)
CPC B65D 65/40 (2013.01) [B32B 1/02 (2013.01); B32B 3/266 (2013.01); B32B 15/00 (2013.01); B32B 27/10 (2013.01); B32B 29/00 (2013.01); B65B 3/025 (2013.01); B65B 3/04 (2013.01); B65D 5/4212 (2013.01); B65D 5/746 (2013.01); B65D 85/72 (2013.01); B32B 2255/12 (2013.01); B32B 2255/205 (2013.01); B32B 2307/402 (2013.01); B32B 2439/62 (2013.01); B32B 2439/70 (2013.01); Y10T 428/1303 (2015.01)] 6 Claims
OG exemplary drawing
 
1. A laminated packaging material for liquid food products comprising:
a paper board having a metal layer arranged on the paper board;
a pre-laminated hole arranged in an opening section of the paper board;
wherein a first contrast area is arranged adjacent to the pre-laminated hole and printed in a first color, the first color different from a color of the pre-laminated hole;
an opening identification mark printed in a second color, the opening identification mark configured to align an opening device in relation to the packaging material, the opening identification mark positioned within a second contrast area printed in a third color; and
wherein the second color and the third color are selected from a color pair of black-white, red-green, blue-orange, red-cyan, green-magenta, blue-yellow, yellow-purple, blue-orange, or vice versa.