X-ray system for the inspection of glass containers
Glass Container X-ray Inspection

Glass Container X-ray Inspection Systems

Product Safety and Quality Assurance for Glass Jars and Bottles

The X3750 Performs Complete Glass-In-Glass Contamination Detection and Product Integrity Checks

The X3750 Performs Complete Glass-In-Glass Contamination Detection and Product Integrity Checks
The X3750 boasts innovative features, providing food and pharmaceutical manufacturers with the most advanced and adaptable x-ray solution on the market for glass jars and containers. This three minute technical animation showcases all the features and benefits of the X3750 x-ray system, such as adjustable guide rails, high throughputs, hygienic design, high-speed reject devices and vision windows with illuminated tunnels.
Glass Container X-ray Inspection
Glass Container X-ray Inspection
Glass Container X-ray Inspection


Download White Papers, Guides and X-ray Inspection Documentation

X-ray Inspection Guide

Guide to X-ray Inspection Technology In the Food and Pharmaceutical Industries
The X-ray Inspection Guide provides a single and definitive source of reference to x-ray inspection technology for use in the food and pharmaceutical...


ProdX™ Software Brochure
ProdX™ allows you to connect and control your entire product inspection management process from a single point or from multiple remote locations, elim...


X3730 Datasheet | Free Download
Utilizing split beam x-ray technology, the X3730 offers increased detection sensitivity to inspect a wide range of tall, rigid food & pharmaceutical p...
X3750 Datasheet | Free Download
The X3750 provides class-leading inspection capabilities for food and pharmaceutical manufacturers utilizing glass containers.
X3735 Datasheet | Free Download
The X3735 x-ray system is a high detection sensitivity solution, with an integrated conveyor designed to inspect tall, rigid packaged products in a wi...

White Papers

White paper: How to optimize all-round glass inspection
New white paper explains how to protect customers and your brand reputation by reducing the risk of glass-in-glass contamination with x-ray inspection...
Ensuring the Safety and Integrity of Tall, Rigid Containers
This White Paper gives advice on selecting the right x-ray solution to inspect products in tall, rigid containers in order to maximize detection sensi...
X-ray Inspection More Than Just Contamination Detection
This white paper is for food manufacturers who consider x-ray inspection to comply with food-safety regulations and legislations.
Reasons for an X-ray Inspection Programme
This White Paper describes the benefits of implementing an effective x-ray inspection program which include minimizing product recalls and assisting m...

Case Studies

Case Study| J&J Snack Foods
J&J Snack Foods case study explores the benefits of installing X-ray inspection systems to maximize detection capabilities for contaminant free frozen...
Kri-Kri | X-ray Inspection Case Study
A case study explaining how METTLER TOLEDO helps to ensure product safety and brand protection by detecting contaminates of various sizes and material...
Kuchenmeister Relies on Product Inspection Equipment
Kuchenmeister has been relying on METTLER TOLEDO product inspection equipment for 20 years, for inspection of their baked good applications.
Hornby Organic | Product Inspection Case Study
A case study explaining how Hornby Organic is expanding their production line with help of product inspection equipment from METTLER TOLEDO.


What are the challenges with inspecting glass containers for contaminants? 

Glass containers are one of the most challenging products to inspect, mainly because the primary contaminant is glass – the same material and density as the packaging itself. The density of the material, the base, sidewalls and neck of the glass container can all cause blind spots, making the inspection even more challenging. This means potential contaminants, such as a shard of glass, can go undetected. METTLER TOLEDO offers a range of glass inspection systems to ensure all physical contaminants are detected.

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Can the glass container itself effect the performance of the x-ray system?

Glass jars are created with natural variations and inconsistencies. While the overall weight and outer shape of a jar remain consistent from the mold, the varying thickness of the glass walls, and particularly the inner base, can be as much as 20 percent. This can make contamination detection challenging. METTLER TOLEDO offers a range of glass inspection systems to ensure all your physical contaminants are detected.

Various x-ray inspection systems are available for the inspection of glass containers, including systems with single beams, split beams, combination beams and angled beams.

How does an x-ray system inspect glass and is there any unique advantage for glass inspection?

METTLER TOLEDO offers a range of glass inspection systems. Horizontal beam x-ray systems are most commonly suited for glass-in-glass inspection. The key factor in detection sensitivity for glass containers is the container depth as the x-ray inspection beam has to pass through it. The x-ray generator of a horizontal beam system is mounted in the side of the machine cabinet, scanning through the side of the container. This allows for easier contaminant detection in difficult to inspect areas such as the sidewalls and the base of the containers, which in turn minimizes false rejects. 

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Do multiple beams offer advantages when inspecting glass containers?

The probability of detection can be improved by using two or more beams. For example; a fragment of glass is never a perfect sphere, it’s normally an irregular shaped shard. The more the physical contaminant lies in the path of the x-ray beam, the more product is displaced by the denser material, which makes it easier to detect. So inspecting the same jar simultaneously from different angles increases the chance of shard detection.

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What test pieces do you use for validating x-ray performance?

It is recommended that glass test pieces are made of the container glass you are inspecting, as this glass type is most representative of a possible contaminant. It is also recommended that manufacturers use irregular shaped glass fragments as these will provide the greatest challenge to inspection software tools.

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    How do you make sure glass containers are not damaged when rejected from high-speed production lines? 

    A number of different reject systems are available. The correct choice will depend on several factors, such as the environment, belt speed and the weight and size of container. For high-speed applications, more advanced reject systems can be used. These smoothly divert containers at high speeds onto a parallel reject conveyor without damaging the glass jars.

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        Can x-ray systems provide additional checks over and above contamination inspection?

        In a single pass, at high speeds the x-ray inspection system can perform several inspection tasks simultaneously including:

        • Monitoring fill levels
        • Detecting damaged containers
        • Checking closures.

        This provides complete product integrity and ensures only perfect product leaves the manufacturing plant.

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          Are x-ray systems expensive to service?

          Service contracts should form part of any x-ray system purchase. Regular servicing of an x-ray system, including performance verification, will ensure it is operating at the optimum level of performance. This will prevent food safety issues. Preventative maintenance enables manufacturers to avoid downtime issues due to unexpected maintenance work.

          All METTLER TOLEDO X3000 x-ray system generators come with a five-year warranty when a service contract is purchased. By protecting the most valuable part of the x-ray machine, manufacturers can have confidence that production uptime is maximized.

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