17.06.2025

How does the coffee get into the capsule?

Man with a packaging container in his hand

Technology for maximum coffee enjoyment

One push of a button – and the aroma of freshly brewed coffee fills the room. For millions of people around the world, coffee in the morning is part of their daily ritual. But what is behind the small capsule that makes this enjoyment possible? Before the finished coffee is steaming in the cup, a great deal of technology is involved – to ensure that aroma, freshness, and quality are perfectly preserved.

The answer lies in Optima’s highly developed filling and packaging process that uses state-of-the-art machine technology. 

From ground coffee to the perfect portion

Before the coffee enters the capsule, it is gently roasted and finely ground. To preserve the aroma, the powder must then be processed as quickly as possible and under controlled conditions. 

The filling process takes place in several precisely coordinated steps: The ground coffee is precisely dosed into the capsule, weighed and then hermetically sealed. This sealing is crucial – it reliably protects the sensitive coffee aroma from oxygen, moisture, and light. 

Modern systems must be capable of filling hundreds of capsules per minute – all while maintaining consistently high quality. In addition, there is the desire for diversity: Different setting patterns for different packaging units as well as alternative materials – all of this must be flexibly implemented within a single system.

Capsule filling machine
Coffee capsules
Woman drinks hot drink from cup

Capsules that protect aroma

The market for coffee capsules is as diverse as the coffee lovers themselves. Different formats, systems, and filling quantities make the filling process technically challenging. 
In addition to shape and size, the material used is becoming increasingly important. Depending on the capsule type, different materials are used.

Paper-based solutions with aroma protection, such as compostable capsules made of paper are also gaining significance. 

Optima meets these challenges with modular machine concepts that can quickly adapt to new requirements. Intelligent inspection systems monitor every step of production – from the exact fill quantity to the quality of the sealing seam.

And how does the coffee make its way from the airtight capsule into your cup? It’s simple. When inserted into the coffee machine, the capsule is pierced at precisely defined points. This creates a closed brewing circuit where hot water flows through the coffee grounds.

Conclusion: Precision for the best taste

Every coffee capsule is the result of advanced technology, quality assurance, and aroma preservation. With its innovative systems, Optima ensures that a portion of ground coffee becomes a premium product – reliable, efficient, and full of the rich flavor coffee enthusiasts expect. 

So the next time you put a capsule in the machine and enjoy a cup of coffee, you have Optima's commitment to perfection.


Portrait Maybrit Schmid

Author

Maybrit Schmid
Team Group Communication

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