Closure piece for tube or other receptacle - consists of cap in which is round threaded hole, with sealing ridges and cone at end

摘要

The closure piece for a tube or other receptacle consists of a cap in which is a round threaded hole of larger diameter than the tube-thread. The tube or receptacle is sealed by means of two or more narrow sealing ridges and a cone at the end of the round opening. ADVANTAGE - The tube or receptacle, for toothpaste for example is sealed by pushing on the screw-cap which is pulled off and is re-useable.