PLASTIC FLASK Russian patent published in 2023 - IPC A45F3/16 B65D81/15 A47J41/00 

FIELD: liquid handling.

SUBSTANCE: invention relates to apparatus for storing, handling drinking water and for boiling water in field conditions. Plastic flask comprises a flask body made of high-density polyethylene by die casting, extrusion followed by blowing, shaped as an ellipsoid with a concavity along the anatomical surface, rigidly coupled with the body of a cup with a movably fixed handle, wherein a FRZ thermaflex braid is fixed on the outside of said cup, a chain, with the cover made of two layers, 100% polystyrene and fleece, secured on the outside thereof, the surface of said cover being treated with water-repellent, antibacterial, and fire-protective compounds.

EFFECT: increase in the functional characteristics, ensured durability during operation in field conditions, lower weight, easier conditions for maintenance, handling, and dispensing of drinking water at ambient temperatures from —45 °C to 50°C and boiling thereof without the need to use aids.

1 cl, 3 dwg, 1 tbl