US3780419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for sealing balloons and the like
Assignee: MTL Inc
•
Filing: 1972-08-28
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Granted: 1973-12-25
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Expires: 1992-08-28
Abstract
Abstract An inflatable balloon is sealed gas-tight by forcing an intermediate section of the neck of the balloon through a hole in a disc sufficiently far to double the intermediate section over upon itself and to pinch the doubled-over portions together between the edges of the hole.
Inventors
- 👤 R Allison
- 👤 G Lindstrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:51
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/10; A63H2027/1041; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
61 words
A method of sealing an inflated balloon comprising the steps of, positioning the neck of the balloon across one face of a disc having a hole extending therethrough, and forcing an intermediate section of said neck through said hole sufficiently far to double said intermediate section over upon itself and pinch the doubledover portions together between the edges of said hole.
Claim 2
Independent Claim
61 words
A method of sealing an inflated balloon comprising the steps of, positioning the neck of the balloon across one face of a disc having a hole extending therethrough, and forcing an intermediate section of said neck through said hole sufficiently far to double said intermediate section over upon itself and pinch the doubledover portions together between the edges of said hole.
Claim 3
Dependent Claim
41 words
A method as defined in claim 1 in which said intermediate section is forced through said hole by engaging the side of the intermediate section opposite said one face of said disc and by pulling said intermediate section through said hole.
Claim 4
Dependent Claim
63 words
A method as defined in claim 1 further including the steps of interwrapping one end portion of a string with said neck prior to positioning said neck across said one face of said disc, and forcing said one end portion of said string through said hole and doubling over said end portion as an incident to forcing the intermediate section through said hole.
Claim 5
Dependent Claim
56 words
A method as defined in claim 3 further characterized by the steps of projecting a hook through said hole from the face of said disc opposite said one face, positioning said neck within said hook and across said one face, and drawing said hook reversely through said hole to force said intermediate section through said hole.
References Cited (Backward Citations)
US1680318A
Cited
US2158837A
Cited
US2396906A
Cited
US3031654A
Cited
US3061983A
Cited
FR1281835A
Cited
US3370396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |