Drinking tube

Abstract

A drinking tube ( 1 ) consisting of two channels ( 2, 3 ) which when connected to one another and which form a closed cross section in which the edge regions ( 4 ) overlap, lie one on top of the other in a sealing manner or interlock with each other. The channels ( 2, 3 ) are each formed symmetrically with respect to a common axis of symmetry ( 5 ), wherein a) the height (h) of the channels ( 2, 3 ) in relation to the axis of symmetry ( 5 ) is smaller than the width (b) and/or b) the cross section of the inner channel ( 3 ) is equal to or slightly larger than the cross section of the outer channel ( 2 ), so that a tension exists between the channels ( 2, 3 ) lying one inside the other.

1 . A drinking tube ( 1 ) consisting of two channels ( 2 ,  3 ) having edge regions ( 4 ) which, when connected to one another, form a closed cross section in which the edge regions ( 4 ) overlap and lie one on top of the other in a sealing manner or interlock with each other, wherein
 the channels ( 2 ,  3 ) are each formed symmetrically with respect to a common axis of symmetry ( 5 ), wherein   a) the height (h) of the drinking tube ( 1 ) consisting of channels ( 2 ,  3 ) with respect to the axis of symmetry ( 5 ) is smaller than the width (b) of the drinking tube ( 1 ) and/or   b) the two channels ( 2 ,  3 ) comprise an outer channel ( 2 ) and an inner channel ( 3 ), wherein the cross section of the inner channel ( 3 ) is equal to or slightly larger than the cross section of the outer channel ( 2 ), so that a tension exists between the channels ( 2 ,  3 ) lying one inside the other.   
     
     
         2 . The drinking tube ( 1 ) according to  claim 1 , wherein the two channels ( 2 ,  3 ) are connected by being pushed one inside the other or slotted one inside the other. 
     
     
         3 . The drinking tube ( 1 ) according to  claim 2 , wherein, when the two channels ( 2 ,  3 ) are to be pushed one inside the other, an end of the inner channel ( 3 ) is introduced into an end of the outer channel ( 2 ), and then the channels ( 2 ,  3 ) are displaced with respect to one another by an action of force in the longitudinal direction of the drinking tube. 
     
     
         4 . The drinking tube ( 1 ) according to  claim 2 , wherein, when the two channels ( 2 ,  3 ) are to be slotted one inside the other, the channels ( 2 ,  3 ) having the open sides are placed with open sides facing each other and are pressed one inside the other by an action of force transversely to the longitudinal direction of the drinking tube. 
     
     
         5 . The drinking tube ( 1 ) according to  claim 2 , wherein the thickness of the channels ( 2 ,  3 ) allows an elastic deformation of at least the inner channel ( 3 ) when the channels are pushed one inside the other or slotted one inside the other under the action of force of a human hand. 
     
     
         6 . The drinking tube ( 1 ) according to  claim 2 , wherein in the case of the overlapping edge regions ( 4 ), at least in the case of the outer channel ( 2 ), the edge regions ( 4 ) are crimped inwardly into the channel ( 2 ), so that said edge regions ( 4 ) of the outer channel ( 2 ) grasp the edge regions ( 4 ) of the inner channel ( 3 ). 
     
     
         7 . The drinking tube according to  claim 2 , wherein the edge regions ( 4 ) of both channels ( 2 ,  3 ) are executed crimped inwardly, so that the edge regions ( 4 ) of the outer channel ( 2 ) grasp the edge regions ( 4 ) of the inner channel ( 3 ) and the edge regions ( 4 ) of the inner channel ( 3 ) lie in contact with the outer channel ( 2 ) right into the region thereof which is not crimped. 
     
     
         8 . The drinking tube according to  claim 6 , wherein the inner channel ( 3 ) is executed as a strip with crimps. 
     
     
         9 . The drinking tube according to  claim 6 , wherein the edge regions ( 4 ) of the channels ( 2 ,  3 ) are crimped angularly with a small bending radius or in the form of an arc. 
     
     
         10 . The drinking tube ( 1 ) according to  claim 1 , wherein the channels ( 2 ,  3 ) joined together follow an elliptical shape or a polygonal shape or a circular shape in cross section. 
     
     
         11 . The drinking tube according to  claim 1 , wherein the drinking tubes ( 1 ) are formed in the shape of an arc, wherein a combination of a solid channel ( 2  or  3 ) with a channel ( 3  or  2 ) made of a highly flexible material or a combination of channels ( 2 ,  3 ) made of highly flexible material are provided as bent drinking tubes and wherein the channel ( 2  or  3 ) is pre-bent from the solid material or respectively a channel ( 2  or  3 ) is pre-bent from a highly flexible material, while the other channel ( 3  or  2 ) in each case is adapted at least positively when the channels are slotted one inside the other. 
     
     
         12 . The drinking tube according to  claim 11 , wherein the adaptive inner channel ( 3 ) is formed as a strip having a lower moment of resistance than adaptive inner channel ( 3 ). 
     
     
         13 . The drinking tube according to  claim 1 , wherein in the case of the outer channel ( 2 ) the channel edges ( 7 ) are formed such that they are rounded. 
     
     
         14 . The drinking tube according to  claim 1 , wherein a non-positive engagement and/or a frictional engagement exist(s) between the connected channels ( 2 ,  3 ), which can be overcome by human force in order to separate said channels. 
     
     
         15 . The drinking tube according to  claim 14 , wherein the force to be applied in order to pull apart the channels pushed one inside the other ( 2 ,  3 ) is between 1 and 50 N. 
     
     
         16 . The drinking tube according to  claim 1 , wherein the channels ( 2 ,  3 ), at least one of which consists of a highly flexible material, can be separated by pulling off the one channel from the other channel ( 2 ,  3 ). 
     
     
         17 . The drinking tube according to  claim 6 , wherein the inner channel ( 3 ) is executed as a strip without crimps. 
     
     
         18 . The drinking tube according to  claim 14 , wherein the force to be applied in order to pull apart the channels pushed one inside the other ( 2 ,  3 ) is between 8 and 20 N.