Apparatus for sealing a web of film in a packaging

Details Apparatus for sealing a web of film in a packaging Apparatus for sealing a web of film in a packaging

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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patent: 4630429 (1986-12-01), Christine
patent: 4761197 (1988-08-01), Christine et al.

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