Device for Preventing Fluid Drip From a Bottle

Abstract

A dripless bottle has a body, a neck forming an opening, a shoulder physically coupling the neck to the body, and a super-water-repellant material applied to the neck substantially at the opening.

1 . A dripless bottle comprising:
 a body;   a neck forming a mouth;   a shoulder physically coupling the neck to the body; and   a super-water-repellant material applied to the neck substantially at the mouth.   
   
   
       2 . The dripless bottle according to  claim 1 , wherein:
 the super-water-repellant material is a coating applied to the neck.   
   
   
       3 . The dripless bottle according to  claim 1 , wherein:
 the super-water-repellant material is a film applied to the neck.   
   
   
       4 . The dripless bottle according to  claim 1 , wherein:
 the super-water-repellant material exhibits a Lotus effect.   
   
   
       5 . The dripless bottle according to  claim 1 , wherein:
 the super-water-repellant material exhibits superhydrophobicity.   
   
   
       6 . The dripless bottle according to  claim 1 , further comprising:
 a stopper, where the super-water-repellant material is a sheet of material in the form of a ring housed inside the stopper.   
   
   
       7 . The dripless bottle according to  claim 6 , wherein:
 the sheet of material is fixed to the stopper.   
   
   
       8 . The dripless bottle according to  claim 1 , wherein:
 the super-water-repellant material has an angle of contact with a liquid that is greater than 95 degrees and up to 180 degrees.   
   
   
       9 . The dripless bottle according to  claim 1 , wherein:
 the super-water-repellant material is present on an outer surface of the bottle, from the mouth to the shoulder.