Container

Abstract

A container for storing and transporting liquid materials has a container wall and a container opening surrounded by the container wall. A closure element that closes the container opening is provided. An intermediate lid made from plastic material is arranged between the closure element and the container wall and is removable. The intermediate lid has at least over portions thereof a convexly curved cross-section. The intermediate lid has a circumferential collar that is formed as a bead and that is placed onto a fastening projection formed on the container wall.

1 .- 12 . (canceled)  
   
   
       13 . A container for storing and transporting materials, the container comprising: 
 a container wall and a container opening surrounded by the container wall;    a closure element that closes the container opening;    an intermediate lid made from plastic material, wherein the intermediate lid is arranged between the closure element and the container wall and is removable;    wherein the intermediate lid has at least over portions thereof a convexly curved cross-section.    
   
   
       14 . The container according to  claim 13 , wherein the intermediate lid has a circumferential collar that is formed as a bead and that is placed onto a fastening projection formed on the container wall.  
   
   
       15 . The container according to  claim 14 , wherein the closure element is secured with interposition of the intermediate lid on the fastening projection of the container wall.  
   
   
       16 . The container according to  claim 15 , wherein the intermediate lid is clamped onto the fasting projection.  
   
   
       17 . The container according to  claim 16 , wherein the closure element and the intermediate lid are secured on the container by a clamping ring.  
   
   
       18 . The container according to  claim 13 , wherein the intermediate lid is comprised of polyolefin material.  
   
   
       19 . The container according to  claim 13 , wherein the intermediate lid is permanently antistatic.  
   
   
       20 . The container according to  claim 13 , wherein the intermediate lid is migratingly antistatic.  
   
   
       21 . The container according to  claim 13 , wherein the intermediate lid is electrically dissipating.  
   
   
       22 . The container according to  claim 21 , wherein the intermediate lid comprises dispersed carbon black particles.  
   
   
       23 . The container according to  claim 13 , wherein the closure element is a lid.  
   
   
       24 . The container according to  claim 13 , wherein the container is a steel container.