Tamfelt Oyj Abp

Tamfelt Filtration Oy

Eino Sorri

Heikki Rehakka

Aulis Per&auml;l&auml;

Antti Makinen

Aimo Rautanen

The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth () is provided with yarns () having a highly changing length and a long free run in the weave. When the length of the yarns () is allowed to shorten significantly, a filtration portion () on the side of a surface () of the cloth obtains a corrugated shape, providing the cloth with a large filtering area.

Solid-liquid filtration cloth and filtering device

A method for manufacturing a shrink fabric, and a shrink fabric to be used for filtering. The method is used for manufacturing a shrink fabric ( ) comprising a seam assembly ( ) which is substantially diagonal with respect to the lateral direction of the shrink fabric ( ). When arranged in place onto a drum filter, the seam assembly ( ) of the shrink fabric ( &prime;) is substantially diagonal with respect to the lateral direction of the drum ( ) of the drum filter.

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Tampere, Finland

Eino Sorri