Wad for cartridge
AssigneePlasticos Hidrosolubles, S.L.
InventorElena Moreno
Life of this patent
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Abstract
A wad for cartridge, of the type comprising a pan to hold the ammo, connected by a bracket to a base of the wad, and manufactured by injection. The wad is a single piece of water-soluble plastic that is compostable, and has a moisture content by weight of between 2% and 10% after injection without the need for subsequent treatments. The plastic material has at least a mixture of more than one polymer resin, being at least one of them a poly-vinyl alcohol resin (PVA), and a plasticizer component.
Claims6
A wad for cartridge, immediately following formation by injection to have a pan to hold ammo connected by a bracket to a base of the wad, the wad comprising:
- a single piece of material that is a water-soluble plastic and compostable,
- said material comprising:
- a mixture of at least two polymeric resins, at least one of the polymer resins being poly-vinyl alcohol (PVA) resin, and
- a plasticizer component;
- and
- wherein a moisture content of the wad immediately following formation by injection and without further treatment is between 2% and 10% by weight.
Dependencies are inferred from the claim text.