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Optional equipment for air bubble film and PE-foam machinery

COROTATING TWIN-SCREW Extruder

COROTATING TWIN-SCREW Extruder

In place of the main single-screw extruder,the machine can be equipped with a co-rotating twin-screw extruder. This system entails a cost reduction of up to 30% thanks to the less expensive raw materials that can be used (types, quality and grade). This type of extruder even allows working with 100% recycled material. Another great advantage is the reduced energy consumption (up to 40% compared to a single-screw extruder). The latter is due to the more efficient kW/kg extrusion ratio. The twin-screw extruder has a high ability of mixing and homogenization of polymers such as LDPE, LLDPE, HDPE, PP, PA and PA compatibilizers , recycled materials, various additives and materials with different MFIs. (more info)


TRIPLEX winder – fully automatic winder with very short cycle time

TRIPLEX winder

Torninova’s patented TRIPLEX winder is the fastest automated tapeless and glueless winder for air bubble film and PE-foam machines. This turret winder is based on a three-cantilevershaft configuration that allows extremely fast cycle changes (< 40s). The automatic loading of new cardboard cores (whole or split) and extraction of finished rolls is synchronized with a roller-table at the final collection station. The new transversal cutting system allows film to be wound without glue or adhesive tape on the core. Thanks to its advanced technology, the TRIPLEX winds various types and thicknesses of air bubble film and PE-foam, into very short roll lengths, at a speed of over 100 m/min. The TRIPLEX can also be installed on existing production lines. (more info)


DUPLEX PLUS winder – flexible automatic winder

DUPLEX PLUS winder

The DUPLEX PLUS is Torninova's traditional, highly reliable tapeless and glueless turret winder consisting of two cantilever air expansion shafts with automatic inflation/deflation. Extremely reliable and powerful, the DUPLEX PLUS winds perfect quality rolls with extremely accurate lengths and widths, even when divided in-line into sub-formats. The DUPLEX PLUS can be configured to wind external bubble, internal bubble or double-system films. The DUPLEX PLUS is available with an automatic FAST LOADING system for finished roll extraction, core loading and hot-melt application (both for initial core gluing and roll closure). The DUPLEX PLUS can wind air bubble film and PE-foam of any type and thickness and can also be installed on existing production lines. (more info)


VIR winder – contact winder for jumbo rolls

VIR winder

The VIR is an in-line contact winder for assembly on air bubble film and PE-foam machines. With its guaranteed speed performance and finished roll quality, the VIR produces rolls up to two meters in diameter and is thus recommended for all customers converting air bubble film or PE-foam through a second manipulation phase (bags, envelopes, formats, sheets, etc.). The larger diameter rolls (longer) are automatically unloaded onto the floor to reduce finished roll replacement times during the conversion process. The VIR can also be installed on existing production lines. (more info)


Third layer extrusion lamination unit

Third layer unit with extruder

This lamination module can be retrofitted to any new or old extrusion-based machine for the production of air bubble film or PE-foam in net widths of up to 3 meters. It laminates, in-line, a 3rd film of LDPE or HDPE over the bubble layer. The melted film from the single flat die adheres directly to the heads of the bubbles which are rapidly cooled. The result is a surprisingly lowcost, three-layer LDPE air bubble film.
Additionally, the same melted film can be used as an adhesive layer for perfectly smooth, high-speed lamination to other rolled materials (PE-foam, coated aluminium foil or kraft paper, printed film, non-woven, etc). The finished product is an air bubble film with two flat faces, one of which can be optionally characterized by a different material. (more info)


Third layer diathermic oil lamination unit

Third layer unit with diathermic oil

This fast and powerful in-line lamination module is easily retrofitted to any new or old machine for high-speed production of air bubble film or PE-foam in net widths of up to 3 meters. The 3rd film layer to be laminated is supplied from the unit’s double-station film unwinder (with non-stop changeover). Teflon-coated cylinders heated by a diathermic oil circuit connected to electric heating units, laminate the 3rd film layer over the bubble layer. This lamination process guarantees the highest production speeds of any main line and ensures best-quality lamination with all kinds of material (HDPE film, PE-foam, coated aluminium foil or kraft paper, printed film, non-woven, etc.). The main advantage of this lamination unit is its ability to laminate film directly on top of the air bubble film with no additional adhesive layer. (more info)


Third layer hot-air lamination unit

Third layer unit with hot air

This in-line, hot-air lamination system is easily retrofitted to any new or old machine for air bubble film or PE-foam production in net widths of up to 1,6 meters. The 3rd film layer is supplied from rolls on the unit’s double-station film unwinder (with non-stop changeover) and is laminated over the bubble layer using hot air. Thanks to this air-based heating system, the unit is especially suitable for lamination of delicate materials such as PE-foam, coated aluminium foil, printed film, etc. This unit is further distinguished by its “stop-on-phase” procedure and very low energy consumption. (more info)



Fourth layer unwinder

Fourth layer unwinding

This unit laminates a 4th layer film (HDPE film, PE-foam, coated aluminium foil or kraft paper, printed film, non-woven, etc.) to the base of the air bubble film, improving or varying the finished film’s aesthetic and/or mechanical characteristics. It consists of a double-station unwinder equipped with two air expansion shafts for loading the 4th layer film rolls. While a roll is unwinding on one station, a new roll can be prepared in stand-by on the other for a no-stop changeover. This modular unit is easily retrofitted to any new or existing in-line air bubble film machine. (more info)



Perforation unit

Pre-cutting unit

This useful independent module is easily retrofitted in-line to any air bubble film machine and can possibly be used in other types of machines producing similar films (PE-foam, blow film, etc). It makes a preliminary cut on the film at desired intervals (max. 400 strokes/min) before winding, resulting in a finished film roll prepared in pre-cut sections that are quickly and easily torn-off when needed. A brushless motor with encoder drives the double-blade pre-cutting device and ensures exact, consistent sheet sizes. The module is available with an optional trim-cutting unit and suction group. (more info)


Forming cylinders

Moulder cylinders

These chromed cylinders for bubble moulding are the most distinguishing element of Torninova’s technical know-how. A monolithic steel cylinder, with a special internal water circuit provides perfectly homogenous thermoregulation, guaranteeing the highest production performance and maximum stability with material of any thickness. The sector vacuum system used for bubble thermoforming increases efficiency and conserves power. The push-to-connect design allows for fast cylinder changes. The cylinders can be manufactured to custom bubble shapes and dimensions and are available for all types of air bubble film machinery. (more info)


Torninova S.r.l. - Via dell'Artigianato, 18 - 06083 Bastia Umbra - Perugia - ITALY
Tel. +39 075 8000655 - Fax +39 075 8003914 - e-mail: info@torninova.com - Cap. Soc. € 200.000