GB2266072A - Fluid pressure sensing releasing device - Google Patents
Fluid pressure sensing releasing deviceInfo
- Publication number
- GB2266072A GB2266072A GB9308882A GB9308882A GB2266072A GB 2266072 A GB2266072 A GB 2266072A GB 9308882 A GB9308882 A GB 9308882A GB 9308882 A GB9308882 A GB 9308882A GB 2266072 A GB2266072 A GB 2266072A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluid
- strength
- releasing
- releasing device
- certain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/04—Fixations or other anchoring arrangements
- B63B22/08—Fixations or other anchoring arrangements having means to release or urge to the surface a buoy on submergence thereof, e.g. to mark location of a sunken object
- B63B22/14—Buoy-to-object securing means responsive to hydrostatic pressure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Safety Valves (AREA)
- Gear-Shifting Mechanisms (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A fluid pressure sensitive releasing device comprising a body (20) of a material which has a certain strength in a condition in which it is affected by fluid and which strength is considerably reduced with exposure of the material to fluid. The body is used in its non-influenced condition to maintain a release member (21) in a secure position whilst the member is arranged to be displaced to a released position, preferably by the action of a spring (28), when the material of the body reduces its strength due to the influence of fluid. According to the invention the body is kept separated from the surrounding atmosphere, whose possible humidity could influence the body to reduce its strength, by means of a valve arrangement (5, 32). This is arranged to separate the body from the surroundings by means of a sleeve (32) of sealing material which is arranged to be penetrated by parts (34) which are arranged to be displaced when the device is subjected to a certain pressure. Once penetrated, the body is exposed to the surroundings. When the device is submerged in liquid to a certain depth, the valve arrangement (5, 32) is influenced by the generated pressure to thereby open and let in liquid to the body (20) so that releasing takes place and releasing of the mechanism for which the releasing device is designed, occurs.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9003581A SE501228C2 (en) | 1990-11-09 | 1990-11-09 | Liquid sensitive triggering device |
PCT/SE1991/000756 WO1992008641A1 (en) | 1990-11-09 | 1991-11-08 | Fluid pressure sensing releasing device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9308882D0 GB9308882D0 (en) | 1993-07-14 |
GB2266072A true GB2266072A (en) | 1993-10-20 |
GB2266072B GB2266072B (en) | 1994-08-31 |
Family
ID=20380866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9308882A Expired - Fee Related GB2266072B (en) | 1990-11-09 | 1993-04-29 | Fluid pressure sensing releasing device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0561811B1 (en) |
DE (1) | DE69103772T2 (en) |
GB (1) | GB2266072B (en) |
SE (1) | SE501228C2 (en) |
WO (1) | WO1992008641A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2334486B (en) | 1998-02-21 | 2002-03-20 | Pains Wessex Ltd | Release unit |
US6036559A (en) * | 1998-10-16 | 2000-03-14 | Arnold; David R. | Flotation device for a submerged article |
US10638742B1 (en) | 2016-11-01 | 2020-05-05 | Cory P. Barnett | Water-activated bobber release device with valve |
US20230018323A1 (en) * | 2021-07-07 | 2023-01-19 | Alan Rex Norris | Fishing rod and reel recovery device and recovery system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3630413A (en) * | 1970-04-01 | 1971-12-28 | Us Navy | Device for manually or automatically inflating a life preserver |
US3802012A (en) * | 1972-04-19 | 1974-04-09 | W Middleton | Fluid pressure sensing devices |
-
1990
- 1990-11-09 SE SE9003581A patent/SE501228C2/en not_active IP Right Cessation
-
1991
- 1991-11-08 WO PCT/SE1991/000756 patent/WO1992008641A1/en active IP Right Grant
- 1991-11-08 EP EP91919998A patent/EP0561811B1/en not_active Expired - Lifetime
- 1991-11-08 DE DE69103772T patent/DE69103772T2/en not_active Expired - Fee Related
-
1993
- 1993-04-29 GB GB9308882A patent/GB2266072B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3630413A (en) * | 1970-04-01 | 1971-12-28 | Us Navy | Device for manually or automatically inflating a life preserver |
US3802012A (en) * | 1972-04-19 | 1974-04-09 | W Middleton | Fluid pressure sensing devices |
Also Published As
Publication number | Publication date |
---|---|
GB2266072B (en) | 1994-08-31 |
DE69103772T2 (en) | 1995-04-27 |
SE501228C2 (en) | 1994-12-12 |
EP0561811A1 (en) | 1993-09-29 |
SE9003581D0 (en) | 1990-11-09 |
SE9003581L (en) | 1992-05-10 |
WO1992008641A1 (en) | 1992-05-29 |
GB9308882D0 (en) | 1993-07-14 |
EP0561811B1 (en) | 1994-08-31 |
DE69103772D1 (en) | 1994-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20041108 |