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Pharmaceutical ampoules require careful handling throughout the packaging process. As glass containers are fragile and often need additional protection during storage and transportation, packaging solutions must provide both stable product handling and reliable sealing.

For ampoules arranged in trays, a horizontal flow wrapping machine provides an efficient solution for wrapping the entire tray in heat-sealable film. This packaging method creates a sealed outer layer around the tray while maintaining a clean and compact package appearance.

Why Use Flow Wrapping for Tray-Packed Ampoules?

Ampoules are commonly arranged in a plastic or other suitable tray before secondary packaging. Instead of wrapping each ampoule individually, the complete tray can be transferred into a flow wrapping machine as one packaging unit.

This approach offers several advantages:

• Protects the tray and ampoules during handling

• Reduces manual packaging operations

• Provides consistent package dimensions

• Improves packaging efficiency

• Creates a sealed outer package for storage and transportation

For pharmaceutical manufacturers, stable product feeding and gentle handling are particularly important when working with glass ampoules.

How Does the Packaging Process Work?

The flow wrapping process for tray-packed ampoules typically consists of several stages.

1. Tray Feeding

The tray containing the ampoules is transferred to the infeed conveyor.

The feeding system maintains a controlled product position as the tray enters the wrapping section. Depending on the production requirements, the machine can be equipped with a suitable automatic feeding system.

Accurate feeding is essential to prevent tray movement or product displacement during packaging.

2. Film Feeding and Forming

A roll of heat-sealable packaging film is continuously fed into the machine.

The film passes through a forming unit and is gradually shaped around the tray. The forming system is designed according to the tray dimensions and required package size.

3. Longitudinal Sealing

After the film has enclosed the tray, the longitudinal sealing system creates a continuous seal along the package.

The sealing temperature and other parameters can be adjusted according to the characteristics of the selected packaging film.

A stable sealing process helps ensure consistent package quality throughout production.

4. End Sealing and Cutting

The wrapped tray then enters the end-sealing section.

The sealing jaws close and seal both ends of the package before cutting the film between individual packages.

The finished tray-packed ampoule is then discharged from the machine for further handling, inspection, or case packing.

Key Considerations for Ampoule Packaging

Packaging glass ampoules requires more attention than packaging many conventional products.

Stable Product Handling

Ampoules must remain securely positioned in the tray during transportation through the machine.

The feeding and conveying systems should therefore be designed to minimize sudden movement and unnecessary vibration.

Suitable Packaging Film

The film must provide reliable sealing while being compatible with the required packaging process.

The appropriate film type and thickness should be determined according to the customer's packaging requirements and machine configuration.

Accurate Sealing

Consistent sealing is important for maintaining the integrity of the finished package.

The machine should provide stable temperature control and synchronized sealing and cutting to achieve uniform packages.

Flexible Machine Configuration

Different pharmaceutical products may use trays with different dimensions.

The machine can therefore be configured according to:

• Tray length and width

• Tray height

• Number of ampoules per tray

• Packaging film

• Required production speed

• Finished package dimensions

Advantages of Using a Flow Wrapping Machine

Efficient Secondary Packaging

Wrapping the entire tray as one unit simplifies the packaging process and reduces manual handling.

Consistent Packaging Quality

Automatic film feeding, forming, sealing, and cutting help maintain consistent package appearance throughout production.

Better Protection During Handling

The outer film layer provides an additional barrier against dust, moisture, and external contamination during storage and transportation.

Easy Integration with Packaging Lines

The flow wrapping machine can be connected with other pharmaceutical packaging equipment to create a more automated production process.

For example, the system can be integrated with upstream tray-forming or ampoule handling equipment and downstream inspection or case-packing systems.

Customized Flow Wrapping Solutions for Pharmaceutical Packaging

There is no single packaging configuration suitable for every ampoule product. Tray dimensions, ampoule arrangement, film characteristics, and required production speed all influence the machine design.

For this reason, we recommend confirming the actual product and tray specifications before selecting the equipment.

Our engineering team can design and configure a horizontal flow wrapping machine according to the customer's specific requirements, including tray size, product arrangement, packaging material, and production capacity.

If you are looking for a flow wrapping machine for ampoules in trays, send us your product and tray dimensions, packaging film information, and required output.

We will help you find a suitable packaging solution for your pharmaceutical production line.