Dispenser spout

Abstract

A multi-position and multi-function dispenser spout connected to an opening of a wall of container intended for liquid or granular materials, such as a milk cartons, a juice cartons or bottles, salt containers for example. The dispenser spout comprises a semi-rigid foldable part and a rigid part molded, the rigid part being connected to a wall of the container vis-a-vis an opening thereof, the semi-rigid foldable part allowing hermetically closing the container in a closed position and pouring the material in an open position.

1 . A spout to be installed on an element, comprising: 
 a back part, secured to an aperture in a wall of the element; and    a semi-rigid foldable part, connected to said back part;    wherein the semi-rigid foldable part folds against the back part in a tight fitting arrangement in a closed position of the spout, and the foldable part is pulled outward from the back part in an opened position of the spout.    
   
   
       2 . The spout of  claim 1 , wherein said element is a container of one of a liquid and a semi-solid material, said foldable part forming a pouring lip guiding the material to be poured out of said container through the aperture in the wall thereof in said open position.  
   
   
       3 . The spout of  claim 1 , comprising a handle on an outer surface of the semi-rigid foldable part for ease of pulling it from the closed position to the open position, and to push it back from the open position to the closed position.  
   
   
       4 . The spout of  claim 1 , installed on the element as a controllable vent hole.  
   
   
       5 . The spout of  claim 4 , wherein said element is one of a tent, a protective helmet and ski eyeglasses.  
   
   
       6 . The spout of  claim 1 , the element being a container, the spout being installed on the container as one of a closing valve and a backpressure valve, wherein a transition between the closed and the open positions thereof is actuated by a change in pressure at one of an inlet and an outlet of the container.  
   
   
       7 . The spout of  claim 1 , made in one of a plastic material, a reinforced fabric, a plastic film, and a composite film.  
   
   
       8 . The spout of  claim 1 , made by injection molding.