Package making – Methods – Wrapping contents including cover forming
Patent
1993-05-24
1996-11-19
Johnson, Linda
Package making
Methods
Wrapping contents including cover forming
53466, 53477, 53228, 533703, 533715, B65B 1100, B65B 5110
Patent
active
055751350
ABSTRACT:
A process and a machine for supplying paper to a machine for wrapping plastic wrap around workpieces. A glue is applied to the paper at a distance from the wrapping machine sufficient for the glue to dry before it is fed into the wrapping machine. Next, the wrapping machine wraps the paper around a workpiece such that the glue is located between at least two layers of the paper. Then heat sufficient to activate the glue is applied to one of the two layers of the paper. Then heat sufficient to activate the glue is applied to one of the two layers of the paper. The layers of the paper being held in place for a sufficient time to allow the glue to adhere to the layers of paper. The machine having a wrapping machine for wrapping a portion of the web around the workpieces to form a package and a glue application station for applying heat activated glue to an area of the web. The glue application station including a glue application mechanism and a feeding means for feeding the web through the glue application station, past the glue application mechanism, and into the wrapping machine. The wrapping machine including cutting means for cutting the web into the portions, a folding means for folding the web around the workpieces to form a package having folds between which the heat activated glue is located, a heating means for applying heat to the folds, and a heat sink for removing the heat from the folds to which the heat has been applied.
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Johnson Linda
Nordstrom Barbara A.
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