US 12,145,767 B2
Opening device for a package adapted to contain a pourable product and package comprising an opening device
Pietro Martini, Parma (IT); and Maurizio Filippini, Modena (IT)
Assigned to TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
Appl. No. 17/052,021
Filed by TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
PCT Filed May 28, 2019, PCT No. PCT/EP2019/063835
§ 371(c)(1), (2) Date Oct. 30, 2020,
PCT Pub. No. WO2019/238414, PCT Pub. Date Dec. 19, 2019.
Claims priority of application No. 18177176 (EP), filed on Jun. 12, 2018.
Prior Publication US 2021/0163176 A1, Jun. 3, 2021
Int. Cl. B65D 17/50 (2006.01); B65D 5/74 (2006.01); B65D 30/08 (2006.01); B65D 47/12 (2006.01); B65D 75/58 (2006.01); B65D 85/72 (2006.01)
CPC B65D 17/507 (2013.01) [B65D 5/749 (2013.01); B65D 31/04 (2013.01); B65D 47/12 (2013.01); B65D 75/5894 (2013.01); B65D 85/72 (2013.01); B65D 2517/0013 (2013.01); B65D 2517/5083 (2013.01); B65D 2547/063 (2013.01); B65D 2575/58 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A package adapted to contain a pourable product and obtained from a sheet of packaging material; said packaging material comprising at least a first layer and a second layer and having a through hole formed through said first layer; said package comprising said packaging material and an opening device disposed at said through hole, said opening device comprising:
a sheet cover portion of the second layer configured to be arranged at the through hole so as to close the through hole and define a pre-laminated hole;
a wall portion having a top surface applied onto a bottom side of said sheet cover portion;
said wall portion defining, together with said sheet cover portion, a user-tearable portion of said package;
said wall portion comprising a linear weakening slot formed into part of the thickness of said wall portion and open at a bottom surface of said wall portion opposite to said first top surface;
said linear weakening slot delimiting, together with said bottom side of said sheet cover portion, a linear weakening region of said user-tearable portion;
said opening device further comprising at least one pull-member, projecting integrally from said top surface of said wall portion through said sheet cover portion, protruding from a top side of said sheet cover portion, opposite to said bottom side, and adapted to be pulled in use so as to cause tearing of said user-tearable portion along said linear weakening region;
at least one linear rib element, projecting integrally from said top surface of said wall portion through said sheet cover portion, said linear rib element creating a linear pierced area in said sheet cover portion, extending parallel to at least part of said linear weakening slot, and being configured to promote, in use, tearing of said user-tearable portion along at least a linear weakening portion of said linear weakening region.