Easy-operated bottles

Abstract

A bottle which bottom has a female pattern which is a recessed space which can engage with an inserted male pattern which protrudes from the top of a cap; a bottle which bottom has a recessed space which cross-section resembles this of a cap and which can engage with an inserted cap; and a bottle which bottom has a female pattern which is a recessed space which cross-section resembles this of a cap which has a male pattern protruding from its sides and which can engage with the male pattern of the cap.

1 . An easy-operated bottle consists in combinations of: 
 a) a bottle and a cap;    b) said cap having a male pattern protruding from the top;    c) the bottom of said bottle having a female pattern which is a recessed space which cross-section resembles this of said male pattern of said cap;    d) said male pattern of said cap being able to engage with said female pattern of said bottle when said male pattern is inserted into said female pattern.    
   
   
       2 . An easy-operated bottle consists in combinations of: 
 a) a bottle and a cap;    b) the bottom of said bottle having a recessed space which cross-section resembles this of said cap;    c) said cap being able to engage with said recessed space when said cap is inserted into said recessed space.    
   
   
       3 . An easy-operated bottle consists in combinations of 
 a) a bottle and a cap;    b) said cap having a male pattern protruding from the sides;    c) the bottom of said bottle having a female pattern which is a recessed space which cross-section resembles this of said cap;    d) said male pattern of said cap being able to engage with said female pattern of said bottle when said male pattern is inserted into said female pattern.