Non-refillable valve device

Details Non-refillable valve device Non-refillable valve device

2005-08-23

2005-08-23

Mar, Michael (Department: 3754)

Dispensing

Processes of dispensing

C222S147000, C222S400700, C222S402100, C222S402160, C215S019000

Reexamination Certificate

active

06932238

ABSTRACT:
A non-refillable valve device includes a housing with an axially extending internal cavity, where the internal cavity includes a chamber extending to an end of the housing. The housing is securable to a container to facilitate fluid communication between the container and the housing chamber. A plug member is secured within the housing chamber to provide a fluid flow passage between the container and the housing chamber when the housing is secured to the container, and an elastic sealing member is also disposed within the chamber. The sealing member is displaceable from a first position to a second position within the chamber, where the sealing member in the first position permits fluid flowing into the valve device to flow through the fluid flow passage and into the container, and the sealing member in the second position substantially prevents fluid flow through the fluid flow passage and into the container. A valve stem is preferably secured and axially displaceable within the internal cavity of the housing to effect movement of the sealing member from the first position to the second position.

REFERENCES:
patent: 3552342 (1971-01-01), Brown
patent: 4813575 (1989-03-01), O'Connor
patent: 5018552 (1991-05-01), Politi et al.
patent: 5295502 (1994-03-01), Lane
patent: 5305925 (1994-04-01), Vogel
patent: 5383487 (1995-01-01), Home
patent: 5400920 (1995-03-01), Barnhart
patent: 5467798 (1995-11-01), Baker et al.
patent: 5657790 (1997-08-01), Mohn
patent: 5794660 (1998-08-01), Mohn
patent: 2 655 955 (1989-12-01), None
patent: 2 329 703 (1997-09-01), None

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