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Carton expander

  • US 3,991,660 A
  • Filed: 04/15/1975
  • Issued: 11/16/1976
  • Est. Priority Date: 04/15/1975
  • Status: Expired due to Term
First Claim
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1. A machine for sequentially manipulating collapsed pre-glued apertured sleeve type cartons out of a hopper and into set-up open ended condition for loading through the open ends thereof, said machine comprising a main feeder arm for sequentially withdrawing the cartons from the hopper, and a supplementary feeder arm arranged to project through an aperture in a lower carton wall to engage an upper carton wall thereby to disrupt any adhesive bond between said upper and said lower carton walls so as to facilitate setting up of the collapsed cartons into open ended condition.

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