System for dispensing inflated plastic dunnage

Details System for dispensing inflated plastic dunnage System for dispensing inflated plastic dunnage

2007-08-21

2007-08-21

Nash, Brian (Department: 3721)

Package making

Methods

Filling preformed receptacle and closing

C053S403000, C053S079000, C053S139500, C053S284700

Reexamination Certificate

active

10717392

ABSTRACT:
A system for providing dunnage to packages as the packages are formed is disclosed. The system includes a dunnage forming machine having a work station for inflating and sealing plastic pouches to form dunnage units. An accumulator is positioned below the station for receiving and collecting such units as they are formed. The accumulator includes an outlet opening laterally offset from the station. A pair of counter rotating brushes having axes journaled in spaced relationship are mounted at the outlet. Each of the brushes includes circumferentially spaced bristle sets defining unit receiving spaces between adjacent sets. A motor drive is operably connected to the brushes for causing counter rotation. A unit volume sensor is provided for emitting a machine start signal when the volume of units in the accumulator reaches a predetermined low volume. A process for providing dunnage in packages being formed is also disclosed.

REFERENCES:
patent: 3667593 (1972-06-01), Pendleton
patent: 5693163 (1997-12-01), Hoover et al.
patent: 6109488 (2000-08-01), Horton
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patent: 6527147 (2003-03-01), Wehrmann
patent: 6672037 (2004-01-01), Wehrmann
patent: 2005/0178085 (2005-08-01), Huis et al.
patent: 2005/0235600 (2005-10-01), Perkins et al.

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