US4786192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device facilitating filling and unfolding of bag within outer casing
Assignee: Sonoco Ltd
•
Filing: 1988-02-26
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Granted: 1988-11-22
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Expires: 2008-02-26
Abstract
Abstract A cartridge is provided in the form of a sheet of material having swingable flaps extending from opposing side regions. A folded bag, which is to be filled with fluid, is positioned on the sheet and attached to the flaps, and the flaps are folded thereover in the initial position. In use, the cartridge is placed in a casing and, upon filling, the bag expands in a controlled manner and pushes back the flaps.
Inventors
- 👤 Stewart M. Graves
- 👤 Peter J. M. Stuart
- 👤 Adrian P. Peet
- 👤 Peter M. Maple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/06; Y; Y10; Y10S; Y10S383/00; Y10S383/904
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
86 words
A device comprising a cartridge in the form of a sheet of material having opposing side regions and provided with flaps extending from said opposing side regions thereof, said flaps being swingable outwardly from a folded position overlying said sheet, and a bag having means defining an inlet port, said bag being folded, positioned upon said sheet and attached at certain locations to said flaps and being designed to unfold and expand and thereby push back said flaps upon reception of fluid through said inlet port.
Claim 2
Independent Claim
86 words
A device comprising a cartridge in the form of a sheet of material having opposing side regions and provided with flaps extending from said opposing side regions thereof, said flaps being swingable outwardly from a folded position overlying said sheet, and a bag having means defining an inlet port, said bag being folded, positioned upon said sheet and attached at certain locations to said flaps and being designed to unfold and expand and thereby push back said flaps upon reception of fluid through said inlet port.
Claim 3
Dependent Claim
19 words
A device as set forth in claim 1 wherein said inlet port of said bag projects through said cartridge.
Claim 4
Dependent Claim
18 words
A device as set forth in claim 1 wherein said cartridge has a single pair of opposing flaps.
Claim 5
Dependent Claim
29 words
A device set forth in claim 1 wherein said cartridge has two pairs of opposing flaps, these pairs of flaps being arranged mutually at right angles to each other.
Claim 6
Dependent Claim
29 words
A device as set forth in claim 1 wherein said bag is formed with a seam and locations on said seam are attached adjacent free edges of said flaps.
References Cited (Backward Citations)
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Cited
US3272423A
Cited
US3206094A
Cited
US3208658A
Cited
US3249286A
Cited
US3399818A
Cited
US3957195A
Cited
US4622693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-22 | 1992-05-23 | 1992-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-22 | 1996-05-23 | 1996-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-22 | 2000-05-23 | 2000-11-22 | $7700.00 | Window Closed / Lapsed |