Seal arrangements for pressurized dispensing containers

Details Seal arrangements for pressurized dispensing containers Seal arrangements for pressurized dispensing containers

1998-04-07

2000-10-17

Shaver, Kevin

Dispensing

With discharge assistant

Fluid pressure

2224021, B65D 8300

Patent

active

061317772

ABSTRACT:
The invention relates to pressurised dispensing apparatus which includes a container for product to be dispensed, and a valve for controlling outflow of product from the container. The valve includes a valve body located within the container. The container has an open ended container body, and a closure fixedly attached to said container body for closing the open end thereof. The closure has an annular sidewall extending around at least an upper end of the container body. First and second seals are provided, wherein the first seal provides a barrier against the ingress of moisture into the container and the second seal provides a barrier against leakage of the product from the container.

REFERENCES:
patent: 3081917 (1963-03-01), Quercia
patent: 3510030 (1970-05-01), Graham et al.
patent: 5037012 (1991-08-01), Langford
patent: 5249701 (1993-10-01), Daehn
patent: 5326002 (1994-07-01), Dubini
patent: 5769283 (1998-06-01), Owada et al.
patent: 5775321 (1998-07-01), Alband

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