Package making – Closing packages and filled receptacles – By means adapted to engage outturned seam of package cover
Patent
1988-10-17
1989-08-15
Culver, Horace M.
Package making
Closing packages and filled receptacles
By means adapted to engage outturned seam of package cover
1565831, 1565832, B65B 5130, B65B 5114
Patent
active
048562602
ABSTRACT:
An apparatus for sealing a web of film in a packaging machine. The apparatus includes a sealing bar for heating a web of film to a temperature sufficient to melt at least a portion of the web of film. The sealing bar includes a surface that directly contacts the web of film and does not include a release layer. The surface includes thereon a measuring member for measuring the temperature of the molten area of the film. The apparatus further includes a cooling member for cooling the melted portion of the film to its crystallization point during a cycle time of the packaging machine.
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Ling Michael T. K.
Woo Lecon
Barrett Robert M.
Baxter International Inc.
Culver Horace M.
Flattery Paul C.
Schaafsma Paul E.
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