Method and packaging machine for forming a container, a blank web and a filled container

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.