Back to results
US 8,940,073 B2Granted
Filter material for cleaning air and gases
AssigneeMcairlaid's Vliesstoffe GmbH & Co. KG
InventorAndreas Schmidt
Life of this patent
Estimating the term…
Abstract
The invention relates to a filter material for cleaning air and gases, comprising a fiber layer (2) made of cellulose fibers bonded to each other in segments by pressing, thus compacting the cellulose fibers in the pressed areas (4).
Claims17
A filter material for cleaning air and gases, the filter material comprising:
- a fiber layer comprised exclusively of pulp fibers that, across partial areas, are connected to each other by a pressing action with compression of the pulp fibers in the compressed areas;
- wherein the fiber layer and optional further layers arranged on flat sides of the fiber layer form a fiber web, wherein the fiber web is crimped and is laid with formation of passages extending in a longitudinal direction of a gas or air stream to be cleaned.
Dependencies are inferred from the claim text.