Patent ID: 6112752
Filing Date: 2000-09-05
Classification: A45D,A47L,A61M,B65D

Abstract:
An apparatus comprising a liquid container having a generally flat configuration, said container including:an upper shell and a lower shell which are bonded along their outer circumferential ends to define a closed liquid pool therein, at least one of said upper shell and said lower shell being a thin skin member made of a flexible material and deformable when depressed; andat least one through hole formed through said upper shell; anda flexible film overlying at least an area on said upper shell which includes said through hole, and partly bonded onto said area on said upper shell to form an automatic opening and closing mechanism which includes a duct communicating at a first end with said through hole and at a second end with an outlet, said duct being defined between non-bonded portions of said film and said upper shell.