Patent US4147278A successfully refreshed from Google Patents.
US4147278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid product dispenser
Assignee: Graham Packaging Plastic Products Inc
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Filing: 1977-04-07
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Granted: 1979-04-03
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Expires: 1997-04-07
Abstract
Abstract The disclosure is directed to a fluid product dispenser. The dispenser includes first and second containers. The second container is positioned within the first container. The product is placed in one of the containers and a dispensing nozzle or opening is in communication with the product. The second container has a flexible wall adjacent the product. Fluid is introduced into the other container. A force is applied to the flexible wall to urge the product outwardly through the dispensing nozzle or opening.
Inventors
- 👤 Albert R. Uhlig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:44
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/771
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
123 words
A fluid product dispenser comprising, in combination, a rigid first container, a second container positioned within said first container, said second container comprising a flexible bag for receiving a fluid product, a cap removably mounted on said first container, a product dispensing means defined by said cap and in communication with said second container for dispensing the fluid product located in said second container, said first container and said second container defining therebetween a pressure chamber, and means in communication with such chamber for introducing pressurized fluid into such chamber whereby a force may be transmitted to said second container urging the fluid product outwardly through said product dispensing means, said product dispensing means including a check valve means for preventing reverse flow.
Claim 2
Dependent Claim
123 words
A fluid product dispenser comprising, in combination, a rigid first container, a second container positioned within said first container, said second container comprising a flexible bag for receiving a fluid product, a cap removably mounted on said first container, a product dispensing means defined by said cap and in communication with said second container for dispensing the fluid product located in said second container, said first container and said second container defining therebetween a pressure chamber, and means in communication with such chamber for introducing pressurized fluid into such chamber whereby a force may be transmitted to said second container urging the fluid product outwardly through said product dispensing means, said product dispensing means including a check valve means for preventing reverse flow.
Claim 3
Dependent Claim
61 words
A fluid product dispenser, according to claim 1, wherein said introducing fluid means includes a passageway from the exterior of the dispenser to said chamber, a conduit, one end of which is in communication with said passageway, and a remote source of pressurized fluid connected to the other end of said conduit for supplying a pressurized fluid to said pressure chamber.
Claim 4
Dependent Claim
27 words
A fluid product dispenser, according to claim 2, wherein said introducing fluid means includes a fluid check valve means for preventing fluid flow from such pressure chamber.
Claim 5
Dependent Claim
33 words
A fluid product dispenser, according to claim 2, wherein said remote source of pressurized fluid includes pump means for supplying a pressurized fluid through said conduit and said passageway to such pressure chamber.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |