US 9,809,342 B2
Device and a method for improved folding of a container
Markus Florentzson, Staffanstorp (SE); Mats Nyhlén, Löddeköpinge (SE); and Johnny Månsson, Hyllinge (SE)
Assigned to TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
Appl. No. 13/511,337
Filed by Markus Florentzson, Staffanstorp (SE); Mats Nyhlén, Löddeköpinge (SE); and Johnny Månsson, Hyllinge (SE)
PCT Filed Nov. 12, 2010, PCT No. PCT/SE2010/000273
§ 371(c)(1), (2), (4) Date Jun. 15, 2012,
PCT Pub. No. WO2011/065884, PCT Pub. Date Jun. 3, 2011.
Claims priority of application No. 0901479 (SE), filed on Nov. 24, 2009.
Prior Publication US 2012/0245008 A1, Sep. 27, 2012
Int. Cl. B31B 3/00 (2006.01); B31B 29/00 (2006.01); B31B 29/60 (2006.01); B65B 61/24 (2006.01); B65B 9/20 (2012.01)
CPC B65B 61/24 (2013.01) [B65B 9/20 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An apparatus for folding first and second end portions of a container filled with food product and having opposing first and second sealed ends, the first and second end portions being located at the first sealed end of the container, the apparatus comprising:
a conveyor movable in a conveying direction and comprised of a plurality of pockets, each configured to receive one of the containers filled with food product, to move the containers in the conveying direction;
a rotatable first flattening wheel configured to press against and flatten the first end portion of the first sealed end of the container to move food product located in the first end portion of the first sealed end of the container toward a middle portion of the first sealed end of the container located between the first and second end portions;
a rotatable second flattening wheel configured to press against and flatten the second end portion of the first sealed end of the container to move food product located in the second end portion of the first sealed end of the container toward the middle portion of the first sealed end of the container;
the flattening of the first and second end portions by the first and second flattening wheels facilitating folding of the first end portion and the second end portion towards the middle portion of the sealed end of the container; and
a conveyor belt positioned on a horizontal axis in between the first flattening wheel and the second flattening wheel, the conveyor belt configured to hold a middle section of the first sealed end of the container folded down.