Packaging method and packaging apparatus

摘要

The invention provide an apparatus that can seal with film an article placed on a tray without having to change tooling for each shape and size of tray.Packaging apparatus 1 covers opening o with film Fm and thermally welds film Fm to flange f. Tray T is provided with flange f and opening o surrounded by flange f on its upper face. The apparatus is provided with roller 3 and roller swivel mechanism 8. Roller 3 can touch against film Fm on a portion of flange f. The touched surface of roller 3 is at an angle with respect to a horizontal plane. Roller swivel mechanism 8 moves roller 3 in a swiveling manner.