Automatic punnets erector with double forming head for folding and gluing of punnets in corrugated or solid board. The mechanical movements guarantee the precision and reliability of the double head system, which allows high production rates and flexibility. As a matter of fact the FT4.01 machine can also run at the same time different constructions and sizes separately on each forming head. Quick changeover time and the easy adjustments round off the description of this extremely versatile machine which can apply for several different fields, from fresh produce to candy & confectionery.