Since 1918 the name WILLMES has stood for the highest quality in agricultural machinery and wine presses. With the increasing specialisation in pressing technology, further developments then followed, which set the "golden standard" that is in place even today.
Willmes have been the future of grape pressing for over 100 years as evidenced by their history:
- 1918 – foundation of WILLMES by Josef Willmes
- 1951 – WILLMES invents the first pneumatic press in the world
- 1957 – WILLMES develops the screw press
- 1974 – WILLMES invents the Tankpress
- 1984 – WILLMES presents the first press with vertical juice channels
- 2004 – WILLMES develops vertical flexible juice channels – FLEXIDRAIN
- 2008 – WILLMES presents the Inertgas option for all sizes
- 2009 – WILLMES moves into their new factory at Lorsch
WILLMES combine the highest processing quality with German engineering skill: all their presses are manufactured entirely in Germany.
In 1984 with their Universal Press patented the design of s/steel vertical drainage screens with a double membrane squeeze. Willmes continue their championing of this system with the Merlin presses.
Why Double-membrane technology?
In contrast to a half-sided membrane, the double-sided membrane has a substantially larger (double) area of pressure application.
In terms of physics, this means less pressure expenditure and less compression of the material to be pressed at the same force, which acts uniformly on the material to be pressed from all sides.
In 2004, designed and patented the Sigma press allowing the combination of vertical drainage and double membrane pressing to be available in larger model presses.
Sigma Presses feature flexible vertical juice channels
The double-sided membrane presses the grapes or apples against the vertical juice discharge areas, which act like natural drains. Irrespective of the filling height, this always results in the same short juice paths, which allows the juice to drain more directly and quickly. If the membrane is relieved of pressure (vacuum released), the material to be pressed falls together.
The lateral pressure direction and the flexibility of the juice channels lead to continual self-cleaning of the filter screen.
These things make the rotational effort negligible and fewer pressing cycles are required.
The mechanical load on the material to be pressed is kept to a minimum, thus resulting in a lower quantity of solids and a higher yield of premium-quality juice.
Here are the description of the Merlin and Sigma presses
Please find the following link to the Willmes web site
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