Patent ID: 6581361
Filing Date: 2003-06-24
Classification: B31B,B65B

Abstract:
A packaging machine for forming a sidewall blank into a casing and joining an end member to the casing to form a filled container having a discharge hole closed with a detachable closing flap in the end member, said machine comprising:a container forming unit having successive stations to form the container from the sidewall blank and end member; a rotating table in the container unit; a plurality of mandrels on the rotating table being disposed perpendicularly to the rotating table and being carried by the table through successive stations to form the container; a wrapping station in the container forming unit in which a sidewall blank is wrapped about the mandrel to form the casing; an end member station in the container forming unit having a feeding device for feeding an end member to the mandrel to be joined to the casing to form the container; a container ejecting station at the container forming unit into which a container is carried by the rotating table for ejection from the mandrel by a blast of compressed air; an inverting conveyor for receiving the ejected container from the mandrel and for conveying and inverting the container to have their open ends facing up; a filling unit to fill containers through their open ends with the end cover and detachable closing flap being located at the bottom of the container as it is being filled; and the filling unit having a closing station to seal the open end of the container with a bottom member which is joined to the container at a location opposite to the end member with the detachable flap.