Pressurized refill with double seal valve core plug and a method

Details Pressurized refill with double seal valve core plug and a method Pressurized refill with double seal valve core plug and a method

1995-05-08

1997-05-13

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

Including pressurized reservoir

401188R, 401188A, B43K 703

Patent

active

056285760

ABSTRACT:
A pressurized refill and a method for pressurizing a refill are provided. The refill has a plug secured at an end of the refill having at least one seal and preferably two seals between the plug and an interior wall of the refill. A valve extends through a channel of the plug allowing pressurized gas to be forced into an interior of the refill to pressurize or re-pressurize the interior of the refill. A spring loaded stem maintains the valve in a closed and sealed position when pressurization is not being effected.

REFERENCES:
patent: 224162 (1880-02-01), Fisher et al.
patent: 810470 (1906-01-01), Davey
patent: 2787249 (1957-04-01), Barlow et al.
patent: 3115868 (1963-12-01), DeMolin et al.
patent: 3420610 (1969-01-01), Malm
patent: 3425779 (1969-02-01), Fisher et al.
patent: 3775015 (1973-11-01), Tsunoda et al.
patent: 3997273 (1976-12-01), Germann
patent: 4498797 (1985-02-01), Peper et al.
patent: 4587999 (1986-05-01), Boiko et al.

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