US3916809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device for gas bag of ship safety device
Assignee: Bridgestone Corp
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Filing: 1973-12-19
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Granted: 1975-11-04
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Expires: 1993-12-19
Abstract
Abstract A protective device for protecting a gas bag of a ship safety device from being damaged when it is brought into contact with any other ship or a quay, the gas bag normally folded and secured to a broadside of the ship and adapted to be inflated by forcing pressurized gas thereinto to give an additional buoyancy to the ship when it gets into a danger such as submergence or overthrow owing to a storm or a collision.
Inventors
- 👤 Hiroshi Miyamoto
- 👤 Miyoshi Kogima
- 👤 Sadao Hashimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:17
CPC Classifications
B; B63; B63B; B63B43/00; B63B43/02; B63B43/10; B63B43/14; B63B59/00; B63B59/02; B63B2059/025
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
182 words
A protective device for a normally-folded gas bag of the type forming a ship''s safety device, said bag being inflatable and deflatable by filling and removing a gas thereinto and therefrom and having a marginal edge portion extending along the periphery of the bag for mounting the bag on the broadside of a ship comprising, in combination, outwardly projecting fenders extending along the upper and lower sides of said bag in the cruising direction of said ship, means for mounting said fenders on said broadside with the corresponding marginal edge portion of said bag sandwiched therebetween, said fenders extending outwardly from said broadside to a distance in excess of said bag in the folded condition, outwardly projecting protective plates extending along the front and rear ends of said bag and means for mounting said protective plates on said broadside with the corresponding marginal edge portion of said bag sandwiched therebetween, said protective plates extending outwardly from said broadside to a distance in excess of said bag in said folded condition thereby providing with said fenders protection of said folded bag from damage.
Claim 2
Dependent Claim
182 words
A protective device for a normally-folded gas bag of the type forming a ship''s safety device, said bag being inflatable and deflatable by filling and removing a gas thereinto and therefrom and having a marginal edge portion extending along the periphery of the bag for mounting the bag on the broadside of a ship comprising, in combination, outwardly projecting fenders extending along the upper and lower sides of said bag in the cruising direction of said ship, means for mounting said fenders on said broadside with the corresponding marginal edge portion of said bag sandwiched therebetween, said fenders extending outwardly from said broadside to a distance in excess of said bag in the folded condition, outwardly projecting protective plates extending along the front and rear ends of said bag and means for mounting said protective plates on said broadside with the corresponding marginal edge portion of said bag sandwiched therebetween, said protective plates extending outwardly from said broadside to a distance in excess of said bag in said folded condition thereby providing with said fenders protection of said folded bag from damage.
Claim 3
Dependent Claim
35 words
A protective device for a gas bag of a ship''s safety device as set forth in claim 1 wherein at least the front ends of the fenders adjacent the bow of the ship are chamfered.
Claim 4
Dependent Claim
29 words
A protective device for a gas bag of a ship safety device as set forth in claim 1, wherein the fenders are arranged on all sides of the bag.
Claim 5
Dependent Claim
40 words
A protective device for a gas bag of a ship safety device as set forth in claim 1, wherein said fenders are formed at their bottoms with flared poRtions adapted to be in contact with said broadside of the ship.
Claim 6
Dependent Claim
67 words
A protective device for a gas bag of a ship safety device as set forth in claim 1, wherein said fenders consist of front and rear end fenders and center fenders, and at least the upper end fenders have a front edge arranged at right angles to a cruising direction of the ship and an upper edge arranged in parallel with a draught line of the ship.
Claim 7
Dependent Claim
179 words
A protective device in accordance with claim 1 wherein each of said fenders include a center fender and an end fender on each side of said center fender in aligned relationship therewith and including a facing plate disposed adjacent said broadside in underlying relationship with said fenders and said protective plates, a fixing plate between said facing plate and each of said protective plates and an intermediate plate secured to the upper surface of each of said protective plates in underlying relationship with said end fenders and wherein said mounting means include bolt means for securing said fixing plate to said broadside and wherein said facing plate is provided with a fixing piece on its upper and lower marginal edges, a fixing piece on the inner surface of each of said center fenders engageable with the marginal edge portion of said bag, a female threaded piece secured to said center fender fixing piece and bolt means threadedly engageable with said female threaded piece for securing said center fender fixing piece in clamping engagement with said bag marginal edge portion.
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) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |