Lightweight protection element and filter of the mattress type
AssigneeOfficine Maccaferri S.P.A.
InventorFrancesco Ferraiolo
Life of this patent
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Abstract
A lightweight protection element and filter of the mattress type comprises an external containment structure (10, 20), a three-dimensional internal structure (30) with a high cavity index and a granular filler material which is inserted inside the containment structure. Engagement means (50, 52) of the mechanical type are distributed over the external containment structure in order to engage predetermined portions of those structure with each other.
Claims11
A lightweight protection element and filter of the mattress type comprising an external containment structure, a three-dimensional internal structure with a high cavity index, a granular filler material inside the containment structure, the granular filler material maintaining the thickness of the three-dimensional internal structure under load, and engagement means distributed over the external containment structure in order to engage predetermined portions of the external containment structure with each other.
A lightweight protection element comprising:
- a containment structure comprising a bottom sheet and an upper portion disposed above the bottom sheet, the bottom sheet and upper portion being disposed to define a space therebetween;
- a plurality of engagers each comprising members on the bottom sheet and upper portion and engaging predetermined portions of the containment structure with each other;
- a three-dimensional internal structure with a high cavity index disposed in the space in the containment structure and comprising monofilaments of heat-sensitive material distributed throughout the space within the containment structure;
- and
- granular filler material in the space within the containment structure.
Dependencies are inferred from the claim text.