Package making – Methods – Wrapping contents including cover forming
Patent
1977-09-27
1979-04-10
Sipos, John
Package making
Methods
Wrapping contents including cover forming
53232, 53379, 53388, 53463, 53479, 53579, B65B 1108
Patent
active
041481704
ABSTRACT:
A high speed, automatic machine for wrapping elongate semi-rigid products such as spaghetti. The machine includes means for cutting and positioning two sheets of wrapping material during a single portion period of the machine into two tandem buckets mounted on a conveyor. The machine also includes two high speed product weighers that deposit weighted amounts of the product onto the two sheets in the two buckets. The weighers operate in duplex and each fills a bucket during a single period of pause in the motion of the machine. After filling each bucket the wrapping machine has means for folding the leading and trailing margins of the two sheets of wrapping material. The two sheets are folded during a single motion period of the machine. The two folded sheets are then simultaneously heated sealed by two, tandem wrapper sealers. Each wrapper sealer makes a complete longitudinal seal for each package during one period of pause in the motion of the machine. The wrapping machine next provides means for folding and heat sealing each open end of the two packages. The folding and sealing of the two packages is performed simultaneously by two tandem, duplex operated, finger and wrapper sealer assemblies.
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