A segment of film is applied to the vertical surface without heat shrinking...http://www.google.com.au/patents/US4977002?utm_source=gb-gplus-sharePatent US4977002 - System for applying heat shrink film to containers and other articles and heat shrinking the sameAdvanced Patent SearchPublication numberUS4977002 APublication typeGrantApplication numberUS 07/334,093Publication date11 Dec 1990Filing d