DE437285C - Unit trawl with otter boards controlled by height control - Google Patents
Unit trawl with otter boards controlled by height controlInfo
- Publication number
- DE437285C DE437285C DEF60134D DEF0060134D DE437285C DE 437285 C DE437285 C DE 437285C DE F60134 D DEF60134 D DE F60134D DE F0060134 D DEF0060134 D DE F0060134D DE 437285 C DE437285 C DE 437285C
- Authority
- DE
- Germany
- Prior art keywords
- trawl
- height control
- unit
- otter boards
- boards controlled
- 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.)
- Expired
Links
- 241001233242 Lontra Species 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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)
- Paper (AREA)
- Screen Printers (AREA)
Description
Abb.Fig.
Abb. 3.Fig. 3.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF60134D DE437285C (en) | Unit trawl with otter boards controlled by height control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF60134D DE437285C (en) | Unit trawl with otter boards controlled by height control |
Publications (1)
Publication Number | Publication Date |
---|---|
DE437285C true DE437285C (en) | 1926-11-19 |
Family
ID=7108987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEF60134D Expired DE437285C (en) | Unit trawl with otter boards controlled by height control |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE437285C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1181975B (en) * | 1963-07-11 | 1964-11-19 | Sir Charles Dennistoun Burney | Otter board |
-
0
- DE DEF60134D patent/DE437285C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1181975B (en) * | 1963-07-11 | 1964-11-19 | Sir Charles Dennistoun Burney | Otter board |
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