A rail-guided wagon for transporting a carrier carrying a package in a form and seal machine is provided. The wagon comprises: a set of spaced-apart wheels to be distributed on each side of the rail, wherein a first subset of the wheels to be arranged on a first side of the rail is spring-biased towards a second subset of the wheels to be arranged on an opposite side of the rail.

A transport system of products according to a closed looped transport path, comprising: a cogged belt wound in a closed loop; a series of support elements of the products, coupled in a cantilever fashion to the cogged belt; a series of fixing elements, configured so as to be arranged internally of the cogged belt for fixing the support elements in a cantilever fashion to the cogged belt, and a guide system for the fixing elements.

A transport system of products according to a closed looped transport path, comprising: a cogged belt wound in a closed loop; a series of support elements of the products, coupled in a cantilever fashion to the cogged belt; a series of fixing elements, configured so as to be arranged internally of the cogged belt for fixing the support elements in a cantilever fashion to the cogged belt, and a guide system for the fixing elements.