Removable hygienic hand pump adapter for dispensing liquids

Claim 1

A removable hygienic and hand pump adapter mechanism including an inflatable bladder for dispensing liquids and semi-liquids from a container or bottle comprising a body having a bore and of a shape to surround the sidewalls of a container having a neck; a hand pump on said body including a manually flexible outer wall defining with said body an air chamber; a cover assembly upon said body including an apertured cap portion to be snugly positioned and secured over said neck and including a dispensing outlet for communicating with said neck; an extension tube depending from said cap portion for extending axially into said container having an outlet to be spaced from the bottom of said container; there being an air passage in said cover assembly at its ends communicating with said air chambers and said tube respectively; and a flexible collapsed inflatable bladder mounted and sealed at its neck around said tube and extending along said tube adapted on application of air pressure from the pump to expand from the bottom of the container along the interior thereof to forcibly dispense all the liquids progressively through said outlet, said bladder preventing air contamination of said liquids.