Container with discharge flow velocity mechanism

Abstract

A liquid container, comprising a discharge route for discharging contents, the discharge route further comprising a flow velocity control passage having an opening area of such a degree that it is sealed by the contents themselves by the surface tension of the contents under atmospheric pressure, wherein, when the contents are discharged, the flow velocity of the contents passing the flow velocity control passage in the direction of the passage once becomes zero, and the contents are discharged from an outlet after filling the main passage of the discharge route provided on the outlet side of the flow velocity control passage.

1 . An instillation container with discharge flow velocity mechanism, wherein: 
 a liquid container comprises a discharge route for discharging contents of the liquid container;    the discharge route has a flow velocity control passage having an opening area that allows surface tension of the contents to block the contents under atmospheric pressure; and    when the contents are discharged, then the contents having passed through the flow velocity control passage once have a flow velocity of zero in the passage direction and then fill a main passage direction of the discharge route provided at an outlet of the flow velocity control passage to be subsequently discharged from an outlet.    
     
     
         2 . The container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein the flow velocity control passage is provided in the direction parallel with the main passage of the discharge route.  
     
     
         3 . The container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein the flow velocity control passage is provided in the direction orthogonal to the main passage of the discharge route.  
     
     
         4 . The container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein the flow velocity control passage is a hole.  
     
     
         5 . The container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein the flow velocity control passage is a clearance.  
     
     
         6 . The container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein, when there are two or more flow velocity control passages with an even number thereof, each pair of flow velocity control passages are arranged at opposite positions or are arranged in a radial pattern.  
     
     
         7 . The container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein a means for changing the opening area is provided so that the opening area of the flow velocity control passage can be increased or decreased in a stepwise or stepless manner.  
     
     
         8 . The container with an instillation flow velocity mechanism according to  claim 1 , wherein an influx inlet of the contents of the flow velocity control passage is opened to a container body and the contents directly flow from the container body into the flow velocity control passage.  
     
     
         9 . A container with an instillation discharge flow velocity mechanism according to  claim 1 , wherein: 
 an influx inlet of the contents of the flow velocity control passage has a guide route for guiding the contents from the container body;    the guide route has at the outlet side the influx inlet; and    the contents flow via this guide route into the flow velocity control passage.    
     
     
         10 . A container with a discharge flow velocity mechanism, wherein: 
 a liquid container comprises a discharge route for discharging contents of the liquid container;    the discharge route has a flow velocity control passage having an opening area that allows the surface tension of the contents to block the contents under atmospheric pressure;    when the contents are discharged, then the contents having passed through the flow velocity control passage once have a flow velocity of zero in the passage direction and then fill a main passage of the discharge route provided at an outlet of this flow velocity control passage to be subsequently discharged from an outlet; and    when a discharge of the contents is completed, then the contents in the discharge route are suctioned into a container body to prevent the contents under a normal condition from being retained in the discharge route.    
     
     
         11 . The container with the discharge flow velocity mechanism according to  claim 10 , wherein: 
 the flow velocity control passage and the container body have therebetween a cover member for separating the flow velocity control passage in the container body;    the cover member has at the inner side a space having a desired capacity;    the space is communicated with the container body only by a narrow tube;    fluid pressure in the container has no direct influence on the flow velocity control passage; and    resistance in the narrow tube causes the inner pressure of the container body to be attenuated to prevent the inner pressure from directly reaching the flow velocity control passage.    
     
     
         12 . A fixed quantity measurement flow velocity control container, wherein: 
 a liquid container comprises an outlet for discharging contents of the liquid container, via a discharge route;    the discharge route has a flow velocity control passage having an opening area that allows the surface tension of the contents to block the contents under atmospheric pressure;    when the contents are discharged, then the contents having passed through this flow velocity control passage once have a flow velocity of zero in the passage direction and then fill a main passage of the discharge route provided at an outlet of the flow velocity control passage to be subsequently discharged from an outlet;    when discharge of the contents is completed, then the contents in the discharge route are suctioned into a container body to prevent the contents under a normal condition from being retained in the discharge route; and    a measurement container having provided therein the main passage in a protruded manner is provided.    
     
     
         13 . The fixed quantity measurement flow velocity control container according to  claim 12 , wherein, after the contents are discharged from the outlet into the measurement container, the restitutive force of the container causes a negative pressure in the container to allow excessive contents equal to or larger than a fixed quantity to be measured to be collected in the container body so that the fixed quantity to be measured remains in the measurement container for measurement.  
     
     
         14 . The fixed quantity measurement flow velocity control container according to  claim 12 , wherein: 
 the fixed quantity to be measured is determined by the height from a bottom surface of the measurement container of the outlet provided in the measurement container in a protruded manner; and    the measurement container can be moved in the upward and downward directions so that the height of the outlet from the bottom surface of the measurement container can be arbitrarily adjusted.    
     
     
         15 . The container with the discharge flow velocity mechanism according to  claim 12 , wherein: 
 the flow velocity control passage and the container body have therebetween a cover member for separating the flow velocity control passage in the container body;    the cover member has at the inner side a space having a desired capacity;    the space is communicated with the container body only by a narrow tube;    fluid pressure in the container has no direct influence on the flow velocity control passage; and    resistance in the narrow tube causes the inner pressure of the container body to be attenuated to prevent the inner pressure from reaching the flow velocity control passage.    
     
     
         16 . The container with an instillation discharge flow velocity mechanism according to  claim 2 , wherein the flow velocity control passage is a hole.  
     
     
         17 . The container with an instillation discharge flow velocity mechanism according to  claim 3 , wherein the flow velocity control passage is a hole.  
     
     
         18 . The container with an instillation discharge flow velocity mechanism according to  claim 2 , wherein the flow velocity control passage is a clearance.  
     
     
         19 . The container with an instillation discharge flow velocity mechanism according to  claim 3 , wherein the flow velocity control passage is a clearance.  
     
     
         20 . The container with an instillation discharge flow velocity mechanism according to  claim 3 , wherein, when there are two or more flow velocity control passages with an even number thereof, each pair of flow velocity control passages are arranged at opposite positions or are arranged in a radial pattern.  
     
     
         21 . The container with an instillation discharge flow velocity mechanism according to  claim 4 , wherein, when there are two or more flow velocity control passages with an even number thereof, each pair of flow velocity control passages are arranged at opposite positions or are arranged in a radial pattern.  
     
     
         22 . The container with an instillation discharge flow velocity mechanism according to  claim 5 , wherein, when there are two or more flow velocity control passages with an even number thereof, each pair of flow velocity control passages are arranged at opposite positions or are arranged in a radial pattern.  
     
     
         23 . The container with an instillation discharge flow velocity mechanism according to  claim 2 , wherein a means for changing the opening area is provided so that the opening area of the flow velocity control passage can be increased or decreased in a stepwise or stepless manner.  
     
     
         24 . The container with an instillation discharge flow velocity mechanism according to  claim 3 , wherein a means for changing the opening area is provided so that the opening area of the flow velocity control passage can be increased or decreased in a stepwise or stepless manner.  
     
     
         25 . The container with an instillation discharge flow velocity mechanism according to  claim 6 , wherein a means for changing the opening area is provided so that the opening area of the flow velocity control passage can be increased or decreased in a stepwise or stepless manner.  
     
     
         26 . The container with an instillation flow velocity mechanism according to  claim 7 , wherein an influx inlet of the contents of the flow velocity control passage is opened to a container body and the contents directly flow from the container body into the flow velocity control passage.  
     
     
         27 . The container with an instillation flow velocity mechanism according to  claim 6 , wherein an influx inlet of the contents of the flow velocity control passage is opened to a container body and the contents directly flow from the container body into the flow velocity control passage.  
     
     
         28 . The container with an instillation flow velocity mechanism according to  claim 3 , wherein an influx inlet of the contents of the flow velocity control passage is opened to a container body and the contents directly flow from the container body into the flow velocity control passage.  
     
     
         29 . The container with an instillation flow velocity mechanism according to  claim 2 , wherein an influx inlet of the contents of the flow velocity control passage is opened to a container body and the contents directly flow from the container body into the flow velocity control passage.  
     
     
         30 . A container with an instillation discharge flow velocity mechanism according to  claim 7 , wherein: 
 an influx inlet of the contents of the flow velocity control passage has a guide route for guiding the contents from the container body;    the guide route has at the outlet side the influx inlet; and    the contents flow via this guide route into the flow velocity control passage.    
     
     
         31 . A container with an instillation discharge flow velocity mechanism according to  claim 6 , wherein: 
 an influx inlet of the contents of the flow velocity control passage has a guide route for guiding the contents from the container body;    the guide route has at the outlet side the influx inlet; and    the contents flow via this guide route into the flow velocity control passage.    
     
     
         32 . A container with an instillation discharge flow velocity mechanism according to  claim 3 , wherein: 
 an influx inlet of the contents of the flow velocity control passage has a guide route for guiding the contents from the container body;    the guide route has at the outlet side the influx inlet; and    the contents flow via this guide route into the flow velocity control passage.    
     
     
         33 . A container with an instillation discharge flow velocity mechanism according to  claim 2 , wherein: 
 an influx inlet of the contents of the flow velocity control passage has a guide route for guiding the contents from the container body;    the guide route has at the outlet side the influx inlet; and    the contents flow via this guide route into the flow velocity control passage.    
     
     
         34 . The fixed quantity measurement flow velocity control container according to  claim 13 , wherein: 
 the fixed quantity to be measured is determined by the height from a bottom surface of the measurement container of the outlet provided in the measurement container in a protruded manner; and    the measurement container can be moved in the upward and downward directions so that the height of the outlet from the bottom surface of the measurement container can be arbitrarily adjusted.    
     
     
         35 . The container with the discharge flow velocity mechanism according to  claim 14 , wherein: 
 the flow velocity control passage and the container body have therebetween a cover member for separating the flow velocity control passage in the container body;    the cover member has at the inner side a space having a desired capacity;    the space is communicated with the container body only by a narrow tube;    fluid pressure in the container has no direct influence on the flow velocity control passage; and    resistance in the narrow tube causes the inner pressure of the container body to be attenuated to prevent the inner pressure from reaching the flow velocity control passage.    
     
     
         36 . The container with the discharge flow velocity mechanism according to  claim 13 , wherein: 
 the flow velocity control passage and the container body have therebetween a cover member for separating the flow velocity control passage in the container body;    the cover member has at the inner side a space having a desired capacity;    the space is communicated with the container body only by a narrow tube;    fluid pressure in the container has no direct influence on the flow velocity control passage; and    resistance in the narrow tube causes the inner pressure of the container body to be attenuated to prevent the inner pressure from reaching the flow velocity control passage.