Container, particularly for milk products and machine for manufacturing such container

Abstract From the Canadian patent

A container at least partially made of plastic and in particular a container for milk products. The container is made by ultrasonically welding together components including at least a tubular side wall which is extruded in the form of a rectangular sheet and which has its short sides welded together; and two end closure members closing respective ends of the tubular side wall. The end closure members constituting a bottom and a lid and each of said, end closure members including a groove for receiving a respective one of the long sides of said rectangular sheet and extending substantially perpendicularly to the axis of the side wall tube, said long sides being ultrasonically welded in …