This Minipack Torre Mailbag Form and Sealer is a form and seal machine — sometimes referred to as a form-fill-seal or flow wrapper — designed to automatically package flat or stacked printed products such as catalogs, magazines, and periodicals in a continuous film envelope. Minipack Torre is a well-established Italian manufacturer with a long track record in packaging machinery, producing equipment for print finishing, postal, and general industrial packaging applications.
The machine operates by feeding products into the line, where a sensor detects each item and triggers automatic conveyance through the forming and sealing process. A forming shoulder draws flat film around the product, which is then sealed along a longitudinal back seam and a transverse seam at each end using independent hot wire impulse sealing bars. Impulse sealing applies heat only at the moment of seal rather than maintaining a continuously heated element, which helps protect film integrity and gives precise control over the sealing process. Electronic temperature control governs both the operating temperature of the sealing jaws and a separate standby temperature, allowing the machine to be held ready between production runs without overheating the film. Packaged products are discharged at working height via an outfeed conveyor belt.
Throughput is rated at up to 1,200 products per hour. The machine accepts flat film of various thicknesses, giving flexibility across different film specifications. Power supply is 220–230 V at 50–60 Hz, making it compatible with standard single-phase European electrical infrastructure. The unit is mounted on castors with a locking function, so it can be repositioned on the production floor and secured in place when running.
The operator interface provides a comprehensive set of adjustment parameters displayed and controlled electronically. These include bag length, sealing time, film slack control, and a cycle start function, as well as independent pressure settings for the longitudinal sealing jaw, the transverse sealing jaw, and the guide rollers. The display also shows live jaw temperatures during operation and in standby, and the machine logs both piece count and cumulative production totals. The locking time of the counter-pressure rollers after product passage is also adjustable, allowing fine-tuning of the product handoff.
This is a used machine from 2010, located in Germany. The scope of delivery includes an operating manual with circuit diagram, and the machine can be demonstrated running under power.
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