Package making – Methods – Enclosing contents within progressively formed web means
Patent
1997-11-21
1999-10-19
Sipos, John
Package making
Methods
Enclosing contents within progressively formed web means
53479, 53550, 53567, 533706, 533717, B65B 910, B65B 706, B65B 5126
Patent
active
059669071
ABSTRACT:
A system for packaging one or more articles surrounded by a tubular web moving downstream along a path includes a first station having a tacking jaw at a first downstream location along the path. The tacking jaw is movable between a first open position and a second closed position for sealing a central portion of the tubular web between the one or more articles. The first station also includes two tucking blades at the first downstream location on opposite sides of the tacking jaw and the tubular web. The tucking blades are movable toward one another for forcing the sides of the tubular web toward the central portion of the tubular web while the tacking jaw is in the closed position. The system also includes a second sealing station downstream from the first sealing station including a sealing jaw substantially perpendicular to the path of the tubular web. The sealing jaw extends completely across the tubular web and is movable between an open position and a closed position for completely sealing the tubular web between the articles. In preferred embodiments, the one or more articles and the tubular web is initially moved downstream along the path at a first rate of speed, whereby the first station and the second station travel downstream at successively slower speeds than the first rate of speed.
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