Method and plant for producing a filling material and filling material
AssigneeMinardi Piume S.R.L.
InventorCarlo Cassigoli
Life of this patent
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Abstract
A method for producing a filling material comprising goose and/or duck down and vegetable kapok fibres comprises feeding vegetable kapok fibre to a mixing chamber (16), separating elementary kapok filaments (210) unbound from each other from the vegetable kapok fibre in the mixing chamber (16) by directing jets and/or blades of a pressurized fluid against the vegetable kapok fibre, feeding goose and/or duck down to the mixing chamber (16) and incorporating elementary kapok filaments (210) unbound from each other into the flakes (101) of goose and/or duck down (100) by mixing the elementary kapok filaments (210) and the goose and/or duck down in the mixing chamber (16) by means of said jets and/or blades of pressurized fluid fed for example by suitably oriented nozzles (33).
Claims5
A filling material comprising goose and/or duck down and vegetable kapok fibres, comprising:
- a) hybrid goose and/or duck down comprising elementary kapok filaments not tied to one another, the elementary kapok filaments being incorporated in flakes of goose and/or duck down in an amount equal to or greater than 10% by weight of the total weight of kapok, and
- b1) goose and/or duck down, and
- b2) disentangled kapok fibres, made of clusters of elementary kapok filaments bound to each other and not incorporated in the flakes of goose and/or duck down, and having a weight equal to or greater than 0.05 g, and in an amount equal to or lower than 20% by weight of the total weight of kapok.
Dependencies are inferred from the claim text.