3 and 4-Sided Pouches

Pouches, sometimes called sachets, are generally formed from roll fed filmstock. They can also be formed offline at a converter or elsewhere then filled and closed on a separate machine. When preformed pouches are used, the filling and sealing process is similar except that the pouches will be fed from a magazine rather than a roll.

Films can be any sealable material such as plastic, aluminum, paper or combinations. Generally, film requirements will be similar to those of VFFS and HFFS machines discussed in a previous white paper. This paper will focus on machinery that forms, fills and seals the pouches on a single machine.

Three side seal pouches

Three-side seal pouches are formed from a single sheet of film, folded and sealed on 3 sides. They generally feature a horizontal film flow with a vertical filling of liquid or solid product. Pouch sizes can range from very small, such as salt packets to very large such as multi-pound packages of chicken parts. Speeds range from a few dozen pouches per minute to several hundred per minute on high-speed rotary machines.

Download the complete 3 and 4-Sided Pouches Whitepaper to continue learning about sachets.