Two piece nestable bottle

Abstract

A two section water bottle designed so that bottom sections stack within one another and top sections stack within one another. The stacked top sections are stackable in an inverted position on the top of the stacked bottom sections for further saving in storage space. The bottom section has a truncated frusto-concial side wall and the top section is dome shaped. The interior cavities of the top and bottom sections, and their respective bottom and top openings are sufficiently large to permit hand washing and effective machine washing.

1 . A two section reusable bottle comprising:
 a bottom section having
 an upper end, 
 a horizontal bottom and 
 a truncated frusto-conical side wall having a vertical axis, an upper end, a lower end and exterior threads on said upper end, said side wall tapering radially outward at increasing diameter from said bottom 
   a top section including
 a dome shaped wall having a vertical axis, a top and a bottom, said bottom of said dome being smaller in exterior diameter than the interior diameter of said upper end of said frusto-conical side wall of said bottom section, 
 a cylindrical band rigidly secured to said bottom of said dome shaped wall in concentric relation thereto, said band extending radially outward from said bottom of said dome shaped wall and presenting interior threads engageable with said exterior threads on said upper end of said frusto-conical side wall of said bottom section, 
 a drinking spout on said top of said dome shaped wall and 
 a removable and reusable cap on said drinking spout, 
 said top section being removable from said bottom section, inverted and its dome shaped wall being insertable into said upper end of said bottom section. 
   
   
   
       2 . The two section reusable bottle of  claim 1  wherein said top and bottom sections have sufficient large interior diameters to permit insertion of an adult hand with a wash cloth for cleaning purposes. 
   
   
       3 . The two section reusable bottle of  claim 1  wherein said top sections are stackable within one another and said bottom sections are stackable within one another. 
   
   
       4 . The two section bottle of  claim 3  wherein stacked top sections are stackable in stacked bottom sections. 
   
   
       5 . The two section reusable bottle of  claim 1  wherein when said top section is removed from and stacked within said bottom section, said cylindrical band of said top section rests on the top of said bottom section. 
   
   
       6 . The two section reusable bottle of  claim 1  wherein said bottle is made of a plastic. 
   
   
       7 . The two section reusable bottle of  claim 6  wherein said plastic is a clear plastic. 
   
   
       8 . The two section reusable bottle of  claim 1  wherein said cap has a threaded connection with said drinking spout. 
   
   
       9 . The two section reusable bottle of  claim 1  including a concave wall segment rigidly interconnecting said bottom and said lower and of said frusto-conical sidewall.