METHOD OF FILM SHRINKING AT PACKING OF ARTICLES IN BAG Russian patent published in 2002 - IPC

FIELD: packing facilities. SUBSTANCE: invention relates to field of packing of different unit articles in gabs, for instance, large-size articles. It can be used for packing of glass containers, ceramic articles, foodstuff, etc. According to proposed method, shrinkable film hose in put onto article and then film is heated over perimeter of hose cross-section by burners moving the burners from top to bottom at simultaneous forced sucking out of air from bag. Air sucker is switched on before switching on the burners. EFFECT: prevention of burning-through of film provision of uniform heating of engine surface and uniform shrinking of film with resulting higher quality packing. 1 ex