Perforation for Laminated Woven Sacks

Line applications

• Lamination: Perforation (0.8 pins/cm²) to avoid ballooning
• Perforation of tubular laminated woven sack for air-flow

Types of laminated woven sacks

• Block bottom bag
• Regular woven sacks
• Woven mesh film bags
• Side gusstet and pinch bottom woven sacks
• one- or two-ply flat and side gusseted tubes from plastic films,
  woven fabric and composite materials
• PP woven fabric sacks
• ADstar (Starlinger)
• AD ProTex (BSW)

Industries – powder and bulk materials

• all types of free-flowing goods
• cement
• building materials
• fertilizer, seeds
• chemicals, resin
• food (flour, sugar, rice)
• pet food / animal feed

Machines using Burckhardt perforating equipment

• Starlinger,  ad*starkon
• BSW/W&H converTex
• Lohia valvomatic
• many others

High density perforating roller for maximum performance

Long life-time groove perforation rollers

Perforation set-up

The development goes in the direction of achieving the same open area but with smaller holes allowing less material escape.Therefore the number of pins per cm² is steadily increasing:

• Traditional – groove perforation (5.1 pins/cm²)
• Standard perforation (1 1 pins/cm²)
• (64 pins/cm²)
• High Density perforation (>84 pins/cm²)

OEM tools for maximum performance and longest life-time