Package container forming apparatus flap

Details Package container forming apparatus flap Package container forming apparatus flap

1997-09-09

1999-10-26

Harrison, Jessica J.

Package making

Methods

Enclosing contents within progressively formed web means

5337409, 53551, B65B 900

Patent

active

059706872

ABSTRACT:
A package container forming flap apparatus capable of forming a tubular packaging material in a rectangular shape in cross section with reliability and accuracy. The package container forming flap apparatus lateral seal bars for laterally sealing a tubular packaging material, a pair of opposing fixed plates which are disposed respectively over each lateral seal bar in parallel with a seal surface thereof, forming arms for turning about axes which are parallel to a longitudinal direction of the tubular packaging material, and movable plates which are secured to the forming arms and together with the fixed plates to shape the tubular packaging material in a rectangular shape in cross section.

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patent: 5001891 (1991-03-01), Abate
patent: 5067310 (1991-11-01), Yamanaka
patent: 5279094 (1994-01-01), Odom et al.
patent: 5313766 (1994-05-01), Rimondi et al.

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