Patent US3098779A successfully refreshed from Google Patents.
US3098779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a plastic valve and attaching same to a hollow inflatable article
Assignee: Faultless Rubber Co
•
Filing: 1961-04-13
•
Granted: 1963-07-23
•
Expires: 1981-04-13
Abstract
No abstract record available.
Inventors
- 👤 Alvon R Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:43
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; F16K15/202; B; B26; B26D; B26D1/00; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10S273/00; Y10S273/05; Y10T; Y10T137/00; Y10T137/3584; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
THE METHOD OF MAKING A HOLLOW INFLATABLE BALL OF THERMOPLASTIC MATERIAL WHICH COMPRISES FORMING A PAIR OF HEMISPHERICAL WALLS BY DEPOSIT FROM PLASTISOL, FORMING AN APERTURE THROUGH ONE OF SAID WALLS, SEPARATELY FORMING AN INFLATION VALVE OF ONLY PARTIALLY FUSED THERMOPLASTIC MATERIAL HAVING A BASE ATTACHING FLANGE AND HAVING A CYLINDRICAL BODY TERMINATING IN A PAIR OF AXIALLY EXTENDING ABUTTING SEALING LIPS, SAID VALVE HAVING A BORE EXTENDING THEREINTO FROM ITS BASE END, SAID LIPS CONNECTING TO SAID BORE AND BEING COATED ON THEIR ADJACENT SURFACES WITH A SILICONE OIL HAVING A VISCOSITY OF APPROXIMATELY 60,000 CENTIPOISES ASSEMBLING THE VALVE WITH ITS BORE ALINGED WITH SAID APERTURE IN ONE OF SAID WALLS AND CONNECTED THERETO, UNITING THE HEMISPHERICAL WALLS ONE TO ANOTHER ABOUT THEIR MARGINS BY PRESSURE APPLIED THERETO TO FORM AN ASSEMBLED ARTICLE, AND HEAT-CURING THE ASSEMBLED ARTICLE TO UNITE THE WALLS AND THE VALVE, SAID SILICONE OIL PREVENTING SAID LIPS FROM FUSING TOGETHER DURING THE HEAT-CURING.
Claim 2
Independent Claim
158 words
THE METHOD OF MAKING A HOLLOW INFLATABLE BALL OF THERMOPLASTIC MATERIAL WHICH COMPRISES FORMING A PAIR OF HEMISPHERICAL WALLS BY DEPOSIT FROM PLASTISOL, FORMING AN APERTURE THROUGH ONE OF SAID WALLS, SEPARATELY FORMING AN INFLATION VALVE OF ONLY PARTIALLY FUSED THERMOPLASTIC MATERIAL HAVING A BASE ATTACHING FLANGE AND HAVING A CYLINDRICAL BODY TERMINATING IN A PAIR OF AXIALLY EXTENDING ABUTTING SEALING LIPS, SAID VALVE HAVING A BORE EXTENDING THEREINTO FROM ITS BASE END, SAID LIPS CONNECTING TO SAID BORE AND BEING COATED ON THEIR ADJACENT SURFACES WITH A SILICONE OIL HAVING A VISCOSITY OF APPROXIMATELY 60,000 CENTIPOISES ASSEMBLING THE VALVE WITH ITS BORE ALINGED WITH SAID APERTURE IN ONE OF SAID WALLS AND CONNECTED THERETO, UNITING THE HEMISPHERICAL WALLS ONE TO ANOTHER ABOUT THEIR MARGINS BY PRESSURE APPLIED THERETO TO FORM AN ASSEMBLED ARTICLE, AND HEAT-CURING THE ASSEMBLED ARTICLE TO UNITE THE WALLS AND THE VALVE, SAID SILICONE OIL PREVENTING SAID LIPS FROM FUSING TOGETHER DURING THE HEAT-CURING.
References Cited (Backward Citations)
GB720969A
Cited
US2573609A
Cited
US2183900A
Cited
US2233096A
Cited
US2851054A
Cited
US2477899A
Cited
US2700980A
Cited
US2935320A
Cited
US2812551A
Cited
US2830610A
Cited
US2945693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |