You may see a lot of V bottom paper bag with window attached, but actually square bottom paper bag with various shape window attached is also frequently used in bread store, but the technology is much higher than V bottom type.

Window Attached Paper Bag MachineStandard design of square bottom paper bag with window attached

Window Attached Paper Bag Machine (1)

From Longitudinal type gluing to Servo type gluing, we continually update our gluing attached technology and mould. And the glue both are eco-friendly water-based glue, east to dry. We use this technology in two-layer kraft paper pasting and opp film with kraft paper pasting, and the kraft paper is vergin paper without PE laminated. And there is a secret, when we gluing on the opp film, the bag will be flat and beautiful. Then the paper will not absorb the water from the glue.

Let us see how the longitudinal type and servo type gluing:

1.Longitudinal type gluing by several glue gun.

Window Attached Paper Bag Machine (12)

2.Servo type gluing control by rotary cylinder and servo motor.


Window Attached Paper Bag Machine (3)

There we would like to talk about the window attached paper bag machine

Window Attached Paper Bag Machine (2)

Please take a view of the window bag forming as below: