PATTYN ZIM-31 Polyethylene Bag Inserter (2025) | Automatic Case Liner Machine

PATTYN ZIM-31 – Automatic Polyethylene Bag Inserter for Boxes and Crates (2025)

The PATTYN ZIM-31 is a compact and fully automatic polyethylene bag inserter designed to insert plastic liners into boxes, crates, or trays. Manufactured in 2025, this high-efficiency case lining machine operates directly from a roll of polyethylene film or pre-made bags, providing flexible packaging solutions for food and industrial applications.

Engineered for reliability and precision, the ZIM-31 ensures consistent and fail-safe bag insertion at high speeds.

Automatic bag insertion process

Starting from a roll of polyethylene film, the ZIM-31 forms and inserts the liner directly into the case.

It can also operate with pre-made bags from a 12 kg reel, offering flexibility depending on production requirements.

The machine is capable of handling multiple box footprints, making it suitable for various case formats within the same production line.

Advanced bag opening system

Fail-safe bag opening is guaranteed through:

• Heavy-duty grabber and scoop module

• Patented smart film opening technology

• Special vacuum and air insertion system

These features ensure reliable bag expansion and accurate placement inside each box.

Performance capacity

Production speed: up to 12 cases per minute

(Depending on case dimensions.)

Machine equipment and control

15” HMI touchscreen interface

Multi-color warning light

Infeed conveyor with separator

Compact and space-efficient design

Industrial applications

Food processing plants

Frozen and fresh product packaging

Bulk ingredient case lining

Bakery and meat processing

Industrial case packing lines