| 摘要 |
In the process of the invention a strip of containers (5) made of a heat-formable material is guided through a deviated course in a transversal direction with the respect to a main horizontal line of advancement (F), in which the strip of containers undergoes, in sequence, a fist rotation of a quarter of a full turn about a vertical-axis first guide (6), a first twist by half a full turn, a second rotation, by half a full turn, about a second guide (7) having a winding axis which is parallel to the line of advancement (F).
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