Patent ID: 8757453

Claim:
A spout for use with a container having a bead surrounding an open top of the container comprising: a one-piece flexible member having an arcuate base and a generally flat lip joined to the base, said base having opposite side edges, a top wall, an arcuate rib with a pocket to accommodate the bead in the pocket, an arcuate flange spaced from the rib to provide a passage into the pocket, and a plurality of bosses joined to and arcuately spaced along the top wall and flange adapted to cooperatively bias the rib in tight sealing relationship with the bead located in the pocket, said plurality of bosses including opposite end bosses spaced inwardly of the opposite side edges of the base, the rib having a bottom wall joined to the top wall, said bottom wall having an upwardly directed arcuate hook flange, said top wall, bottom wall and hook flange surrounding said pocket, said bottom wall and hook flange providing the passage into the pocket, said hook flange and arcuate flange providing said passage with a throat adjacent the pocket, said plurality of bosses extending into the throat to bias the rib in tight sealing relationship with the bead located in the pocket.