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Cavimelt

The rotogravure system CAVIMELT is the most commonly applied method for lamination.

It is a printing system with an engraved roller.

CAVIMELT Coating and laminating textile machine

Cavimelt Textile Lamination Machine

The rotogravure system CAVIMELT is the most commonly applied method for lamination. It is a printing system with an engraved roller, in which little cavities are engraved for transfer of the adhesive to the web substrate. Different patterns are available (round dots, pyramidal, nets, lines, etc.) depending on the laminated product.

Using the hot melt process this machine applies adhesive as dots or in predefined patterns using an engraved roller on film, web and textile substrates. Both reactive and thermoplastic adhesives can be used. The coating is generally used to laminate additional materials, or to alter the material surface.

Description

A doctor blade seals the trough towards the engraved roll and cleans the surface of the latter. The web, lead between gravure roll and counter roll, is thus taking over the adhesive according to the engraving pattern.

The CAVIMELT process is similar to the rotogravure printing process. The molten adhesive is put in a heated trough which is longitudinally in contact with the rotating gravure roll. In this manner, the cavities of the gravure roll are filled with adhesive.

Technical data

cavimelt machinery

Working width: 500 – 2600 mm
Working speed: 2 – 200 m/mim
Adhesives: Thermoplastic adhesive, Reactive PUR
Coating weights: 3 – 80 g/m2 (depending on pattern)
Substrate: Suitable fabrics, knitted fabrics, nonwovens, membranes, films, foams

Advantages

The Hotmelt Technology offers a big range of advantages in comparison to conventional coating and laminating processes:

  • Environmental-friendly process, free of solvents and water
  • No auxiliary equipment for the evaporation of exhaust air and other questionable emissions
  • Substrates are not subject to any deteriorating thermal stress
  • No drying or sintering needed
  • Lower power consumption – no special preparation of the coating mass
  • Wide range of application and flexibility thanks to the large selection of adhesives
  • Simple operation and high production reliability – large choice of substrates
  • Dot or a diversity of net-shaped coating patterns (round dots, pyramidal, nets, lines, etc.)
  • Laminates with soft touch and surface application according to the specified requirements

Many of our customers utilize our well-equipped pilot plant to find viable solutions for their laminating requirements or to develop new innovative composites.

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