FR2301174A1 - Otter board for trawl net - has steel panel with reinforced bottom edge and curved bars meeting at hauling cable bearing point - Google Patents
Otter board for trawl net - has steel panel with reinforced bottom edge and curved bars meeting at hauling cable bearing pointInfo
- Publication number
- FR2301174A1 FR2301174A1 FR7505469A FR7505469A FR2301174A1 FR 2301174 A1 FR2301174 A1 FR 2301174A1 FR 7505469 A FR7505469 A FR 7505469A FR 7505469 A FR7505469 A FR 7505469A FR 2301174 A1 FR2301174 A1 FR 2301174A1
- Authority
- FR
- France
- Prior art keywords
- panel
- bottom edge
- otter board
- trawl net
- hauling cable
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
- A01K73/04—Devices for spreading or positioning, e.g. control thereof
- A01K73/045—Devices for spreading or positioning, e.g. control thereof for lateral sheering, e.g. trawl boards
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The otter board comprises a flat steel panel (1) with a reinforced bottom edge (2), the board being weighted to remain vertical in use. Along the bottom and top edges are welded symmetrically curved plates (5), these projecting forwards of the panel and meeting along its horizontal centre line (6). Reinforcing bars welded perpendicular to the panel meet at this point and carry bearings (8, 9, 10) in which pivots a flat attachment plate (11, 12) for the hauling cable. A horizontal bar (13), behind the panel, has several holes (14) for regulating the trawl net opening. In the panel is an aperture, regulated by a shutter, which adjusts the towing characteristics.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7505469A FR2301174A1 (en) | 1975-02-21 | 1975-02-21 | Otter board for trawl net - has steel panel with reinforced bottom edge and curved bars meeting at hauling cable bearing point |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7505469A FR2301174A1 (en) | 1975-02-21 | 1975-02-21 | Otter board for trawl net - has steel panel with reinforced bottom edge and curved bars meeting at hauling cable bearing point |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2301174A1 true FR2301174A1 (en) | 1976-09-17 |
FR2301174B1 FR2301174B1 (en) | 1978-07-13 |
Family
ID=9151549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7505469A Granted FR2301174A1 (en) | 1975-02-21 | 1975-02-21 | Otter board for trawl net - has steel panel with reinforced bottom edge and curved bars meeting at hauling cable bearing point |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2301174A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2429560A2 (en) * | 1978-06-27 | 1980-01-25 | Beon Roger Le | Panel for pulling trawl net - has V=shaped central portion with front and rear back plates to form stabilising channel in water |
FR2523403A1 (en) * | 1982-03-22 | 1983-09-23 | Leduc Andre | Convex octagonal trawl board - receives warp and arm of intrados and extrados respectively and is symmetrical w.r.t. vertical and transverse axes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2166612A5 (en) * | 1971-12-31 | 1973-08-17 | Beon Roger Le | |
FR2168481A1 (en) * | 1972-01-18 | 1973-08-31 | Mustad Stoperi Mekanisk Verkst |
-
1975
- 1975-02-21 FR FR7505469A patent/FR2301174A1/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2166612A5 (en) * | 1971-12-31 | 1973-08-17 | Beon Roger Le | |
FR2168481A1 (en) * | 1972-01-18 | 1973-08-31 | Mustad Stoperi Mekanisk Verkst |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2429560A2 (en) * | 1978-06-27 | 1980-01-25 | Beon Roger Le | Panel for pulling trawl net - has V=shaped central portion with front and rear back plates to form stabilising channel in water |
FR2523403A1 (en) * | 1982-03-22 | 1983-09-23 | Leduc Andre | Convex octagonal trawl board - receives warp and arm of intrados and extrados respectively and is symmetrical w.r.t. vertical and transverse axes |
Also Published As
Publication number | Publication date |
---|---|
FR2301174B1 (en) | 1978-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2301174A1 (en) | Otter board for trawl net - has steel panel with reinforced bottom edge and curved bars meeting at hauling cable bearing point | |
GB1128844A (en) | Improvements in or relating to trawl boards | |
GB1107450A (en) | Apparatus for handling metal closure caps | |
US1768120A (en) | Head gate | |
GB1161921A (en) | Counter-Balancing Apparatus | |
GB1010678A (en) | Box girder | |
SU1479037A1 (en) | Trawl net | |
GB990590A (en) | Improvements in or relating to trawl boards | |
Jacob | Accelerator operation and shut downs in 1980 | |
GB788237A (en) | Improvements in or relating to trawling otters | |
JPS57169120A (en) | Beam type water gate door | |
GB767739A (en) | A new or improved hinged gate | |
GB1104320A (en) | Opening roof construction for vehicles | |
Normanskaja | Die Entwicklung des Vokalismus vom Protouralischen zum Mordwinischen und die Rekonstruktion der urmordwinischen Betonung | |
石崎宗周 et al. | A model test of depth control for towed net using a canvas kite | |
GB243913A (en) | Improvements in and relating to otter boards | |
GB501158A (en) | Improvements relating to metal doors | |
GB1047029A (en) | Improvements relating to building frameworks | |
Moore | Environmental evaluation, Boise District, Bureau of Land Management | |
GB812036A (en) | Improvements in or relating to diving boards | |
FR2389528A1 (en) | ||
GB1226836A (en) | ||
Olkes | Computer education- a preliminary plan of action for the Dade County public schools. | |
GB857053A (en) | Improvements in trawls or like fishing nets | |
FR2354422A1 (en) | Shed framework with cheap, rapidly assembled portal - has framework made from back to back U=sections joined by gusset plates |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |