SURVEILLANCE SYSTEM FOR HIGH-SCIENCE CONTACT TRAILERS TO PREPARE A ROAD FROM A FLAGHFOLIE

摘要

Apparatus for the manufacture of a length of closed film product from a length of flexible, flat film (12) is arranged on a support frame which supports a film forming collar (10) that is connected to a tubular member (24) for receipt of the formed tubular film. A heat sealer (26) engages overlapping elongate edges of the film are provided along the tubular member and a vacuum transport assembly is positioned on each side of the tubular member for moving and transporting the tubular film along the tubular member.