An apparatus for processing, constriction, simultaneous closure and severance of a strip of plastic-Like material, in particular a multilayer extruded strip, at specified intervals, and for simultaneous closure of a casing, comprises a tool having two tool parts, each part consisting of plurality of segments which move within themselves. The compressor includes a compressor frame, a pressure chamber, and a pressure head. The containment balloon is joined to a closure device that can be used to deliver a fill material, e.