Patent US3690280A successfully refreshed from Google Patents.
US3690280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fender for large ship
Assignee: SEIBU GOMU KAGUKU KK
•
Filing: 1970-09-14
•
Granted: 1972-09-12
•
Expires: 1990-09-14
Abstract
Abstract In a rectangular tubular fender for large ship, made of elastic material and composed of a buffer, a fixture and two supports provided between said buffer and said fixture, the present invention contemplates an improvement therein wherein the exterior surfaces of said supports being made parallel to each other, the interior surfaces of said supports being flat and parallel to said exterior surfaces in the middle portion, the adjacent parts of said middle portion to said buffer and said fixture being curved, and the junctions between said curved portion and said buffer or fixture being depressed with a notch.
Inventors
- 👤 Jiro Narabu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:02
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/20; E02B3/26; Y; Y02; Y02A; Y02A30/00; Y02A30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
In a rectangular tubular fender to be fitted to quays for docking a large ship, made of elastic material and composed of a buffer (1), a fixture (2) and two supports (3) provided between said buffer and said fixture, the improvement therein wherein the exterior surfaces of said supports are made parallel to each other, the interior surfaces of said supports being flat and parallel to said exterior surfaces in the middle portion (3a) , the adjacent parts (3b) of said middle portion to said buffer and said fixture being curved, and the junctions (3c) between said curved portion and said buffer or fixture being depressed with a notch, said fender meeting the following conditions: 2H > OR = W > OR = 1.25H, t (0.20-0.26)H, E (0.3-0.4)H, R (0.22-0.30)H, M 0.265.H + OR - 10%, where H is the height, W is the width, t is the thickness of the middle portion of the support, E is the length of flat portion of the support, R is the radius of the curved surface, and M is the distance of notched depression from the exterior surface of the support.
Claim 2
Dependent Claim
189 words
In a rectangular tubular fender to be fitted to quays for docking a large ship, made of elastic material and composed of a buffer (1), a fixture (2) and two supports (3) provided between said buffer and said fixture, the improvement therein wherein the exterior surfaces of said supports are made parallel to each other, the interior surfaces of said supports being flat and parallel to said exterior surfaces in the middle portion (3a) , the adjacent parts (3b) of said middle portion to said buffer and said fixture being curved, and the junctions (3c) between said curved portion and said buffer or fixture being depressed with a notch, said fender meeting the following conditions: 2H > OR = W > OR = 1.25H, t (0.20-0.26)H, E (0.3-0.4)H, R (0.22-0.30)H, M 0.265.H + OR - 10%, where H is the height, W is the width, t is the thickness of the middle portion of the support, E is the length of flat portion of the support, R is the radius of the curved surface, and M is the distance of notched depression from the exterior surface of the support.
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) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |