GB313074A - - Google Patents
Info
- Publication number
- GB313074A GB313074A GB12956/29A GB1295629A GB313074A GB 313074 A GB313074 A GB 313074A GB 12956/29 A GB12956/29 A GB 12956/29A GB 1295629 A GB1295629 A GB 1295629A GB 313074 A GB313074 A GB 313074A
- Authority
- GB
- United Kingdom
- Prior art keywords
- canvas
- frame
- net
- angle
- abd
- 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
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 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
- A01K73/05—Devices for spreading or positioning, e.g. control thereof for vertical sheering
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
313,074. V.D., Ltd., (Assignees of Soc. Anon pour l'Exploitation des Brevets et ProcÚdÚs Vigneron-Dahl). June 6, 1928, [Convention date]. Trawling-gear.-The upper sheet of a trawl net is lifted by a sheet of canvas secured at its front edge along or adjacent to the head-rope of the net, and so arranged that the angle between the net and the canvas automatically varies with the speed. The canvas may be stretched on a triangular frame or it may be without a frame; in both cases its free apex may be weighted as indicated in Fig. 4, which shows a frame ABD with cross-members under which the canvas is held. Fig. 1 shows a frame comprising a lower triangle ABD with cross-members EFG on which canvas is supported, as in Fig. 4, and an upper triangle, which may be filled with netting, and which bears against the upper sheet of the trawl net. The piece C, D may be adjustable to vary the angle a.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR313074T | 1928-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB313074A true GB313074A (en) | 1930-02-20 |
Family
ID=31897909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12956/29A Expired GB313074A (en) | 1928-06-06 | 1929-04-26 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB313074A (en) |
-
1929
- 1929-04-26 GB GB12956/29A patent/GB313074A/en not_active Expired
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