SPONGE HAVING AN OPEN CAVITY Russian patent published in 2018 - IPC A47L13/16 

FIELD: personal and household items.

SUBSTANCE: sponge (20) is provided comprising at least one cavity (22) that is separate from the pores of sponge (20), which allows the liquid to enter sponge (20) to impregnate it. In a preferred embodiment, cavity (22) comprises base (24) located within jaw (20) and emerging onto surface (26) of jaw (20) on the other side as a result of forming opening (28); maximum distance between the two opposite points of the outline of the opening (28) is from 3 mm, preferably from 5 mm, and in an even more preferred variant from 8 to 25 mm, preferably up to 20 mm, in a more preferred variant, up to 15 mm, and even more preferably up to 12 mm.

EFFECT: sponge is provided comprising at least one cavity hat is separate from the pores of sponge, which allows the liquid to enter the sponge for impregnating it.

32 cl, 7 dwg