A method and apparatus for packaging cans or similar objects having beaded rims in combination with planar carriers of polymeric materials is described. The cans are arrayed into groups corresponding to rim-engagingopenings or formations on the carriers by a conveyor and the cans are then positioned,...http://www.google.com.au/patents/US4240239?utm_source=gb-gplus-sharePatent US4240239 - Method and device for the insertion of cans into carriers
