Package making – Closing packages and filled receptacles – By means adapted to engage outturned seam of package cover
Patent
1998-05-18
1999-10-19
Moon, Daniel B.
Package making
Closing packages and filled receptacles
By means adapted to engage outturned seam of package cover
533755, 533872, 533873, B65B 5110
Patent
active
059668997
ABSTRACT:
A high-speed folding unit (1) for producing, from pillow-pack packets (3), sealed parallelepiped packages (2) containing pourable food products, the unit having a continuous conveyor (21) for feeding the packets (3) along a forming path (B); a number of folding devices (24, 25, 26) located along the forming path (B); a heating device (27) acting on fold portions (15, 16) of each packet (3) to melt and seal the fold portions (15, 16) onto respective walls (12, 11) of the packet (3); and a final pressing device (28) cooperating with each packet (3) to hold the fold portions (15, 16) on the respective walls (12, 11) as the fold portions (15, 16) cool; the folding devices (24, 25, 26) and the final pressing device (28) having a number of interacting members (44, 50, 55, 58, 70, 71, 72) interacting with the packets (3), and which are of fixed size, and cooperate with the packets (3) by virtue of the movement of the conveyor (21).
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Moon Daniel B.
Tetra Laval Holdings & Finance S.A.
LandOfFree
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