NONSPILL DRINKING DEVICE Russian patent published in 2012 - IPC A61J11/00 

FIELD: medicine.

SUBSTANCE: invention refers to feeding teats. A device comprises an external wall (110) made of a flexible material for placing a user's mouth thereon for drinking. A valve (100) prevents spillage when the user is not drinking. The valve (100) comprises a tube with a side wall (120). An external surface (124) of the side wall (120) is spaced from the external wall (110). A projection (130) extends from the side wall (120) to the external wall (110). The valve (100) comprises a wall (140) with a closed hole (137) in the form of at least one slot. When the user places the mouth on the external wall (110) to compress the external wall (110), the projection (130) makes the wall (140) bent enough to pass liquid through the hole (137).

EFFECT: ensured reliable sealing to provide accidental outflow when the user is not using it.

23 cl, 54 dwg