Liquid baby food package and nurser assembly

Claim 1

FOR USE ON A CONTAINER HAVING AN OPEN-ENDED DISPENSING END, THE COMBINATION COMPRISING A PERFORABLE CLOSURE HAVING AN INTERIOR SURFACE ADAPTED TO HERMETICALLY SEAL SAID DISPENSING END AND HAVING AN OPPOSITELY DISPOSED EXTERIOR MOUNTING SURFACE, AND A NURSING ELECMENT FABRICATED FROM A STRETCHABLE RESILIENT MATERIAL AND COMPRISING AN AXIALLY EXTENDING HOLLOW BODY PORTION TERMINATING IN A PERFORATE OUTER END PORTION AT ONE AXIAL END AND IN AN ANNULAR RADIALLY FLANGED INNER END PORTION AT OTHER AXIAL END MOUNTED IN OVERLYING RELATIONSHIP ON SAID EXTERIOR MOUNTING SURFACE OF SAID PERFORABLE CLOSURE, SAID RADIALLY FLANGED INNER END PORTION DEFINING AN ORIFICE COMMUNICATING WITH THE HOLLOW INTERIOR OF SAID BODY PORTION AND ALSO DEFINING A TRANSVERSE APERTURE AT A SITUS RADIALLY OUTWARD FROM THE CENTERAL AXIS OF SAID NURSING ELEMENT, SAID RADIALLY FLANGED INNER END PORTION ALOS HAVING AN UNDERSIDE SURFACE PROVIDED WITH A CONTINUOUS AND SUBSTANTIALLY CIRCULAR COLSED RIB FORMED THEREON IN CIRCUMAMBIENT RELATIONSHIP WITH SAID ORIFICE, SAID RIB HAVING A MAJOR LONGITUDINAL PORTION DISPOSED AT A GREATER RADIAL DISTANCE FROM THE CENTRAL AXIS OF SAID NUSING ELEMENT THAN SAID TRANSVERSE APERTURE AND HAVING A MINOR LONGITUDINAL PORTION DEFINING A CONCAVE SINUS ADJACENT TO SAID TRANSVERSE APERTURE AND PASSING BETWEEN SAID ORIFICE AND SAID TRANSVERSE APERTURE.