Production methods of paper bags Production methods of different types of paper bags
Datetime: 4/25/2025 1:58:00 PM Visit: 149
Paper bags are an essential packaging solution for retail, catering and various industries. Its production process varies depending on the type of paper bag, such as standard handle paper bag, square bottom paper bag, etc. Here is an overview of the production methods and the machines they require.
I. Standard paper bag production process
Main machines used:
Paper bag making machine (for making simple flat bags or crossbody bags)
Handle paper bag machine (for adding twisted or flat handles)
Production steps:
1. Unwinding and printing (optional)
Feed the paper roll into the machine and print the pattern as required.
2. Cutting and folding
Cut the paper into thin sheets and then fold it into the required shape.
3. Gluing and sealing
Glue the sides to form the bag structure.
4. Install handles (if applicable)
Use handle paper bag machine to install the handles (twisted paper, flat bottom or ribbon).
5. Pressing and drying
Press the bag to ensure a firm bond and dry as needed.
II. Square bottom paper bag manufacturing process
Main machines used:
Square bottom paper bag machine (specially for rigid flat bottom bags)
Production steps:
1. Paper roll feeding
Feed thick kraft paper or coated paper into the machine.
2. Bottom creasing and folding
The machine performs precise folding to form a flat square bottom.
3. Side sealing and reinforcement
The side is bonded and the bottom is reinforced for durability.
4. Optional handle connection
Some square bottom bags are equipped with handles for easy carrying.
III. Production methods of different paper bags
| Bag types | Main features | Common uses |
| Flat paper bag | Simple, no gussets or bottom folds | Small retail stores, take-away food |
| SOS bag (self-opening bag) | V-shaped folded bottom for easy opening | Grocery stores, fast food restaurants |
| Square bottom bag | Flat bottom, strong structure | Luxury shopping, gift packaging |
| Paper bag with handles | Twisted or flat handles for easy carrying | Boutiques, branded retail bags |
| Pinch bottom bag | Reinforced bottom for heavy items | Industrial, bulk packaging |
Conclusion
The manufacture of paper bags requires specialized machines such as Paper bag making machine, Paper handbag machine and Square bottom paper bag machine, depending on the design. Each type of paper bag corresponds to a different type of machine. Each paper bag has a different purpose.
From the design and production of light retail bags to heavy packaging, Lilin Machine will provide the most suitable machine for your production according to your production needs.
