Syntegon Doboy Cobra

Doboy Cobra

Doboy Cobra Carton and Tray Former

The Cobra is a cost-effective, mid-range carton and tray former for hot melt, lock or simplex applications. It forms up to 45 cartons/min and is available in a number of different configurations to run a broad range of flat blank styles.

Variable up to
Cartons per minute

Up to 35 cpm Glue Style
Up to 30 cpm Simplex Style

The Doboy Cobra is suitable for hot melt, lock or simplex applications. A key feature is the machine’s unique blank transport mechanism providing optimal carton gluing and staging prior to forming for positive carton blank control. The Doboy Cobra offers a large, fully adjustable capacity carton blank magazine with easy access on three sides. To compensate for material variances, the forming cavity is spring loaded for even compression and sealing of carton flaps.

Up to 30 cpm Simplex Style
Up to 35 cpm Glue Style
Up to 45 cpm Lock Style
Formed Carton Size Range
Length: 102 – 432 mm (4.0 – 17.0″)
Width: 76 – 330 mm (2.3 – 13.0″)
Depth: 25 – 152 mm (1 – 6.0″)
Carton Blank Range
Length: 126 – 655 mm (4.9 – 25.8″)
Width: 152 – 736 mm (6.0 – 29.0″)
Power Consumption
5.5 kVA
140 l/min (5 cfm) @ 5.5 bar (80 psi)
Shipping Weight
1110 kg (2450 lb)

Standard Features

  • Speeds of up to 45 cartons per minutes
  • Rockwell controls with 16 recipe recall
  • Capable of running glue-style, lock-style and simplex cartons
  • Nordson® hot melt glue system with accurate adhesive application and patterns
  • No-blank, no-adhesive photo-eye detection
  • Carton blank magazine with locking stack pusher and inclined carton advance assist
  • Fully adjustable magazine with positive four side control at pick-off
  • Venturi vacuum system eliminates vacuum pump noise and maintenance
  • Color touchscreen HMI, front-mounted
  • Barrier guarding with interlocking doors
  • Painted steel frame
  • Tool-less changeovers for most tasks


Optional Features

  • Additional forming heads for different carton sizes and styles
  • Adhesive system options to meet different application needs
  • Discharge conveyors for carton transport to downstream equipment
  • Auto demand photo eye controls downstream backlog of cartons
  • Non attendant package including multi-color light stack and low carton inventory sensing with alarm
  • Extended leg kits to match conveyor elevation
  • Spare parts kit
  • Casters for easy portability
  • Special power requirements
  • Centralized lubrication for easy maintenance
  • Language options for HMI controls and manual
  • Carton air eject
  • Stainless steel construction

Glue-formed trays
Glue-formed tri-seal cartons
Lock-formed trays
Lock-formed tri-seal cartons
Simplex “end fold-over cartons”
Dust flast front tuck-in cartons
Seal-tuck cartons with dust flaps


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