PRINTSB Sheet-fed Square Bottom Paper-bag Making Machine

SB Sheet-fed Square Bottom Paper-bag Making Machine

The most advanced solution for paper-bag production. SB delivers high-quality bags of thin papers at remarkable speed of 120 bags/min.


EMedicine envelopes

EShopping bags


  • Available for thin material
    Improved design of sheet transport system enables handling of thin papers of 60gsm which conventional machines cannot handle.
  • Reduced space
    Peripheral equipment like control cabinet and air-compressor are placed inside of the main machine, thus achieving minimum machine footprint.
  • Added value
    Capable of producing streak-free envelopes which do not get stuck in a printer.

Main Features

  • Available to make bags with width of up to 650mm by means of double sheet system.
  • Optional solutions like punching, cardboard pasting and rope-handle adding are available at will.

Main specifications

Sheet size Max. 600mm x 450mm@@Min. 290mm x 210mm
Paper grammage 60 ~ 120 g/m2
Bag width 90mm ~ 220mm
Bottom flap length 45mm ~ 110mm
Min. width between inner-ends of side flaps 40mm
Bottom turnback width 40mm ~ 80mm
Processing speed 30 ~ 120 bags/min.

Optional equipment

EHot-melt gluer

Machine composition figure

Inquiry Form yInquiryzFor inquiry about Miyakoshi products, Please contact International sales department TELF+81-47-493-3114 FAXF+81-47-493-3072 Telephone is acceptable 9:00 - 18:00 (Japan Time)