Package making – Closing packages and filled receptacles – By means adapted to engage outturned seam of package cover
Patent
1992-01-24
1993-11-09
Sipos, John
Package making
Closing packages and filled receptacles
By means adapted to engage outturned seam of package cover
533748, 1563798, B65B 5110
Patent
active
052591697
ABSTRACT:
Disclosed is a method and apparatus that uses UV energy to seal articles in plastic clamshell packages, and which employs a portable tray that can hold a plurality of packages to be sealed, each package having a bottom piece shaped to hold an article and a top piece with a periphery which nests within the periphery of a bottom piece supplied with UV curable adhesive. The tray is mountable on a loading platform which is operative to position the tray within an enclosure below a raised pressure plate having UV transparent portions, and below a UV light source and a shutter mechanism for controlling exposure of the transparent portions of the pressure plate by the UV source. When a loaded tray is positioned below the plate it is lowerable to press top and bottom clamshell pieces together, and the shutter is opened and closed to expose the adhesive for a predetermined period of time as pressure is maintained, after which the pressure plate is returned to its raised position and the tray of cured packages removed from the enclosure.
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Appelbaum Paul
Clegg Duane L.
Corbin Charles C.
Moon Daniel
Sipos John
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