Self-sealing nozzle for dispensing apparatus

Details Self-sealing nozzle for dispensing apparatus Self-sealing nozzle for dispensing apparatus

2006-03-07

2009-08-18

Shaver, Kevin P (Department: 3754)

Dispensing

Outlet element operated by pressure of contents

Spring form, resilient or compressible flow controller or...

Reexamination Certificate

active

07575134

ABSTRACT:
A self-sealing nozzle for a liquid dispensing device having a valve and a discharge port, the discharge port including a plug that may be bulbous in shape, the plug being retained by a retainer at the end of the discharge passage leading to the port. An elastomeric seal has an annular inner surface that seals against the plug when liquid is not being dispensed by said valve, but expands and forms a passage around the plug when liquid is being dispensed by said valve.

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