Patent ID: 6629400
Filing Date: 2003-10-07
Classification: B29C,B65B

Abstract:
An apparatus for sealing bundles of packages conveyed in series along a conveyor line, comprising:(a) a stationary frame aligned with a conveyor line, (b) a movable carriage assembly connected to the stationary frame, the carriage assembly being capable of reciprocating along the length of the conveyor line, the carriage assembly further comprising upper and lower seal bars, wherein the seal bars move in close proximity to each other to form a seal nip in sealing bundles, and (c) a first motor means, the first motor means being mounted on the stationary frame and capable of generating electrical signals that control the carriage assembly to facilitate reciprocating movement of the carriage assembly; and (d) a second motor mounted upon the stationary frame, the second motor being adapted to drive the upper and lower seal bars in relation to one another to open and close the nip.