| US 7,549,267 B2 | ||
| Sealing device | ||
| Mats Johansson, Eslov (Sweden); Hakan Zetterstrom, Eslov (Sweden); and Bengt Salmose, Ahus (Sweden) | ||
| Assigned to Tetra Laval Holdings & Finance S.A., Pully (Switzerland) | ||
| Appl. No. 10/533,876 PCT Filed Dec. 09, 2003, PCT No. PCT/SE03/01909 § 371(c)(1), (2), (4) Date May 05, 2005, PCT Pub. No. WO2004/054879, PCT Pub. Date Jul. 01, 2004. |
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| Claims priority of application No. 0203701 (SE), filed on Dec. 13, 2002. | ||
| Prior Publication US 2006/0016158 A1, Jan. 26, 2006 | ||
| Int. Cl. B65B 51/14 (2006.01) | ||
| U.S. Cl. 53—374.9 [53/371.9; 53/491; 53/565; 493/184; 493/452] | 28 Claims |
| 1. An apparatus for sealing a package having an open end, the apparatus comprising:
at least one pair of sealing halves, both of the sealing halves being reciprocally movable so that the two sealing halves
move towards one another from an open position to a closed sealing position and move away from one another from the closed
sealing position toward the open position, one of the sealing halves comprising sealing means for sealingly closing the open
end of the package when the sealing halves are in the closed sealing position,
forming means for forming the package comprising a pair of forming flaps, each forming flap being associated with a respective
one of the sealing halves and each forming flap possessing a first end pivotally attached to a support such that each forming
flap pivots relative to the sealing means;
each forming flap being directly pushed by the respective sealing half during movement of the respective sealing half towards
the closed sealing position to pivotally move each of the forming flaps toward the package to press two opposing portions
of the package towards each other.
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