Form-fill sealing machines, resealable flexible packages and...

Details Form-fill sealing machines, resealable flexible packages and... Form-fill sealing machines, resealable flexible packages and...

2005-03-15

2005-03-15

Sipos, John (Department: 3721)

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

C053S415000, C053S451000, C053S133800, C053S135300, C053S551000

Reexamination Certificate

active

06865860

ABSTRACT:
A form-fill sealing machine (1) for manufacturing resealable packages (W) includes a tearable line forming device (30) that serves to form tearable lines (104) in a film (F). A labeling device (40) serves to stick re-stickable labels (103) onto the film in positions to cover respective tearable lines. A tube forming device (60) serves to form the film into a tubular film (T). A first sealing device (80) serves to seal lapped edges of the tubular film so as to form a lengthwise sealed portion (111). A second sealing device (90) serves to seal the tubular film in a crosswise direction, so that crosswise sealed portions (109) are formed on the tubular film. Each tearable line is positioned between two adjacent crosswise sealed portions and adjacent to one of two adjacent crosswise sealed portions.

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patent: 1 035 032 (2000-09-01), None
patent: WO 01 98172 (2001-12-01), None

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