Self-sealing dispensing tap for flexible packages

Details Self-sealing dispensing tap for flexible packages Self-sealing dispensing tap for flexible packages

2005-04-12

2005-04-12

Derakshani, Philippe (Department: 3754)

Dispensing

With cutter and/or punch

To form dispensing opening in container

C222S083000

Reexamination Certificate

active

06877637

ABSTRACT:
Disclosed is a self-sealing dispensing tap for use on flexible packages. The tap includes a piercing end configured for piercing the wall of a flexible container, and a flexible member that rides along the tap as it is inserted into the container and expands once installed so as to prevent its withdrawal from the container. A clamping device is provided on the outside of the container which draws the flexible member against the interior wall of the container so as to provide a barrier preventing product within the container, bacteria, or oxygen from inadvertently passing between the interior and exterior of the container.

REFERENCES:
patent: 1636135 (1927-07-01), Hughes
patent: 2267159 (1941-12-01), Lopes, Jr.
patent: 2975938 (1961-03-01), Marfisi
patent: 3184107 (1965-05-01), Kohanzo
patent: 3460715 (1969-08-01), Jones et al.
patent: 4417672 (1983-11-01), Eppenbach
patent: 5884810 (1999-03-01), Vizcarra et al.
patent: 6082584 (2000-07-01), Stern

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