Close up of UV sanitising system

Design and development of an intelligent UV sanitising system for bottle beverages

Technical drawing of unit

Innovative Irish company

Inferneco/Pureneck are an innovative Irish company who have a specific interest in the hospitality industry. Within the hospitality sector, a large number of beverages are consumed from the neck of glass bottles (approx. 30%). Bottles are usually visually clean but not sanitised. For the complete sanitisation of the bottleneck, the cap needs to be fully removed. Inferneco have identified a potential solution to this problem using UV light.

Bespoke innovation process

The first phase of the project was to examine and explore other possible solutions to sanitising and in turn define a clear direction for the design of a new concept. The new concept had to be able to sanitise a bottle within two seconds and also needed to include a safe sealing system so as not allow the user to be exposed to any UV light. Design+ followed their bespoke innovation process and the following ideation and evaluation sessions came up with the most suitable prototype, the purpose of which was to test and validate the concept. The housings for the prototypes were all 3D printed inhouse using IT Carlow’s class-leading 3D printers. This allowed them to iterate quickly and produce high-quality models that were able to withstand the testing phase which was performed in the environment of a busy pub/nightclub. The unit’s electronics were also designed and built by the Technology Gateway team within the Institute.

Unit prototype with bottle


Irish company




Innovation Partnership

“The work that Carlow did was beyond the original plan and we are truly very grateful for this. The team were great to deal with and did everything they could to make this a huge success for us all. We will be working with Carlow again on this journey as we seek to get every pub on the planet to embrace PureNeck.”

The Inferneco & Design+ Technology Gateway partnership

The test results were positive for sanitizing the bottle in two seconds and feedback from the user was excellent. Following further on-site testing, the design was revised and more iterations/updates were created to advance the system, such as improved bottle chamber design, better reflectors and seals in the light chamber. A new 3D printing resin with improved thermal and mechanical performance was also used and proved to be very beneficial at this phase.

Overall the project was a success and collaboration with other Technology Gateways was key to this achievement. During the testing phase, the prototype was sent to the CAPPA Gateway in CIT who proved that the system could sanitise the bottle in two seconds and that there was no UV exposure to the user, these were the two main objectives of the project. The Design+ team also worked alongside the TSSG Gateway in IT Waterford. The team there were instrumental in helping Design+ to create a Windows-based User Interface (UI) application that increased the devices functionality. The company now has 8 x prototypes that they are using to approach multiple international breweries so that they can get funding to bring this to the next phase. Large scale manufacturing costs can now be calculated and the true potential can be explored.

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