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Heat  Sealing  Equipment  for  Mil-Spec &  Industrial  Bag  Packaging  Applications

Doboy JSL (Header Label Applicator & Sealer)

The Doboy JSL uses constant-heat, steel jaws and a unique mechanism to simultaneously fold / apply a header label and seal small bags.  It can also punch a hanger hole & emboss lot/date code on your bag - all in one step!

JSL Bag Samples Photos

The JSL is an excellent way to automate operations where header labels are now manually applied and sealed or stapled.

Doboy JSL Jaw Close-up Photo

Machine Features

  • Simultaneously Folds & Applies Header Label while it Seals Bag
  • Optionally, Hole Punches & Codes Bag While it Seals
  • For Cellophane, Polypropylene, & other Heat Sealable Bags
  • Digital Temperature Controller
  • Fully-Guarded for Operator Safety
  • Touch-Plate Activated Sealing Cycle
  • Adjustable Speed, Seal Depth, & Clamp Pressure
  • Hand-Crank Adjustable Floor Stand
  • Made in the USA

Options / Accessories

  • Casters for Portability
  • Round Hole Punch (0.25" or 0.3125")
  • "Capped Oval" (Sombrero Style) Hole Punch
  • Custom Hole Punch Locations
  • Emboss Lot # / Date Coder (10 Digit)
  • Fine Serration and Smooth Sealing Jaws
  • 220 V / 60 Hz / Single Phase

Machine Specifications

Seal Width (Maximum Bag Width)
Seal Depth (Maximum Height)
Label Material (Recommended)
60-100 Wt. Clay Coat
Speed (varies with Material Type)
Up to 25 BPM
Overall Length
Overall Width
Overall Height
57 to 75"
Seal Height
32" to 56"
Machine Weight
525 lbs (238 kg)
Electrical (NEMA 1)
115 V / 60 Hz/ Single Phase