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US4098434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid product dispenser
Assignee: OI Glass Inc
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Filing: 1977-04-06
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Granted: 1978-07-04
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Expires: 1997-04-06
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
2026-10-23 20:34
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/771
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
111 words
A fluid product dispenser comprising, in combination, a 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 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 fluid into such chamber, said cap including a depending sidewall, a base for telescopic interaction with said cap, said product dispensing means including valve means for retarding flow.
Claim 2
Dependent Claim
111 words
A fluid product dispenser comprising, in combination, a 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 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 fluid into such chamber, said cap including a depending sidewall, a base for telescopic interaction with said cap, said product dispensing means including valve means for retarding flow.
Claim 3
Dependent Claim
17 words
A fluid product dispenser, according to claim 1, wherein said introducing fluid means comprises a passage way.
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
28 words
A fluid product dispenser, according to claim 1, wherein said cap includes adjusting means for adjusting the length of vertical travel of said base, relative to said cap.
Claim 6
Dependent Claim
15 words
A fluid product dispenser, according to claim 4, wherein said base telescopically receives said cap.
Claim 7
Dependent Claim
53 words
A fluid product dispenser, according to claim 5, wherein said cap is threaded on its outer surface, said adjusting means comprising an internally threaded ring engaging said threads on said cap and for obstructing the telescopic interaction of said base and said cap after a pre-selected length of vertical travel of said base.
Claim 8
Dependent Claim
132 words
A fluid product dispenser comprising, in combination, a 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 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 fluid into such chamber, said cap including a depending sidewall, a base for telescopically receiving said cap and adjusting means for adjusting the length of vertical travel of said base, relative to said cap, and said product dispensing means including a check valve means for retarding the reverse flow.
Claim 9
Dependent Claim
132 words
A fluid product dispenser comprising, in combination, a 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 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 fluid into such chamber, said cap including a depending sidewall, a base for telescopically receiving said cap and adjusting means for adjusting the length of vertical travel of said base, relative to said cap, and said product dispensing means including a check valve means for retarding the reverse flow.
Claim 10
Dependent Claim
16 words
A fluid product dispenser, according to claim 7, wherein said introducing fluid means comprises a passageway.
Claim 11
Dependent Claim
27 words
A fluid product dispenser, according to claim 8, wherein said introducing fluid means includes a fluid check valve means for preventing fluid flow from such pressure chamber.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-03 | 1982-01-02 | 1982-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-03 | 1986-01-02 | 1986-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-03 | 1990-01-02 | 1990-07-04 | $7700.00 | Window Closed / Lapsed |