US 12,172,786 B2
Carboard packer, and a folding unit for a cardboard packer
Mikael Preihs, Lund (SE); Björn Lineke, Lund (SE); and Federico Zanichelli, Malmö (SE)
Assigned to TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
Appl. No. 17/786,257
Filed by TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
PCT Filed Dec. 18, 2020, PCT No. PCT/EP2020/087163
§ 371(c)(1), (2) Date Jun. 16, 2022,
PCT Pub. No. WO2021/123263, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 19218136 (EP), filed on Dec. 19, 2019.
Prior Publication US 2023/0025633 A1, Jan. 26, 2023
Int. Cl. B65B 43/10 (2006.01); B65B 11/00 (2006.01); B65B 43/14 (2006.01); B65B 49/12 (2006.01)
CPC B65B 43/10 (2013.01) [B65B 11/004 (2013.01); B65B 43/145 (2013.01); B65B 49/12 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A flap folding unit, comprising at least one flap folding device having a disc-like member being configured to be arranged in a first position to urge passing front flaps of an associated cardboard case to fold, and in a second position to allow unfolded rear flaps of the associated cardboard case to pass the disc-like member, the disc-like member comprising a convex portion and a recessed portion, the disc-like member being connected to a link arm, and the link arm extending substantially parallel with a cardboard case feeder, the convex portion being located at one portion of an outer periphery of the disc-like member and the recessed portion being located at a different portion of the outer periphery of the disc-like member.