Vacuum cleaner filter bag made from recycled plastic
AssigneeEurofilters N.V.
InventorsRalf Sauer, Jan Schultink
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Abstract
The invention relates to a vacuum-cleaner filter bag comprising a wall made of an air permeable material and surrounding an inner chamber, and an inlet opening introduced into the wall. The vacuum-cleaner filter bag is characterized in that the air permeable material comprises at least one layer made from a non-woven fabric and/or a layer made from a fiber web which comprises fibers or is made from fibers which are made from a recycled plastic or a plurality of recycled plastics.
Claims21
A vacuum cleaner filter bag comprising an interior-enclosing wall of an air-permeable material and an inlet opening introduced into the wall, wherein
- the air-permeable material comprises at least one layer of a nonwoven fabric or one layer of a fiber web comprising or consisting of fibers made of one or several recycled plastics, and
- wherein the recycled plastics are spun into said fibers by melting the recycled plastics and extruding the molten recycled plastics into said fibers.
A method of producing a vacuum cleaner filter bag, the vacuum cleaner filter bag comprising an interior-enclosing wall of an air-permeable material and an inlet opening introduced into the wall, the air-permeable material comprising at least one layer of a nonwoven fabric and/or one layer of a fiber web, the method comprising:
- spinning one or more recycled plastics into fibers by melting the one or more recycled plastics and extruding molten recycled plastics into the fibers;
- and
- forming the at least one layer of a nonwoven fabric and/or one layer of a fiber web using the fibers.
Dependencies are inferred from the claim text.