Patent ID: 8714354

Claim:
A liquid container comprising an outer wall having an upper end and a lower end, a liquid material receptacle mounted to said outer wall internally thereof and adjacent to said upper end thereof, and a cap for closing said upper end, said liquid material receptacle having an open end adjacent said upper end of said outer wall and a closed end remote from said upper end of said outer wall, said liquid material receptacle tapering inwardly and downwardly from said open end thereof to adjacent said closed end, said outer wall adjacent said upper end thereof being provided with a circumferential groove, said cap engaging with said outer wall externally adjacent thereof to said upper end, said cap being provided with a downwardly extending circumferential flange having an internal lip which engages with said circumferential groove, said cap having an upper central aperture adjacent said open end of said liquid material receptacle and said liquid material receptacle being sealed by a membrane which extends across said central aperture of said cap and said open end of said liquid receptacle, said central aperture and said open end being of substantially the same size and said membrane being disposed between said upper end of the said wall and said cap.