GB550394A - Improvements in and relating to otterboards - Google Patents

Improvements in and relating to otterboards

Info

Publication number
GB550394A
GB550394A GB829441A GB829441A GB550394A GB 550394 A GB550394 A GB 550394A GB 829441 A GB829441 A GB 829441A GB 829441 A GB829441 A GB 829441A GB 550394 A GB550394 A GB 550394A
Authority
GB
United Kingdom
Prior art keywords
cable
edge
points
board
otterboards
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
Application number
GB829441A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB829441A priority Critical patent/GB550394A/en
Publication of GB550394A publication Critical patent/GB550394A/en
Expired legal-status Critical Current

Links

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)

Abstract

550,394. Torpedoes, detecting. GROEN, D. J. July 1, 1941. No. 8294. [Class 9 (ii)] [Also in Group VI] An otterboard for minesweeping, &c. comprises a board 1 of aerofoil section and of greater height than length, connected to the towing cable directly or indirectly on one side at three or more points. The connecting means may comprise lugs 6 and chains, &c. 8 connected to a ring 10 attached to the cable by a chain &c. 11. The lower and trailing edges may be covered with metal 4, 2 and the lower edge has extra weight 5 towards the forward edge. The edge 2 may have supporting feet 3. In another form, the board is oval and is connected to the cable at three points.
GB829441A 1941-07-01 1941-07-01 Improvements in and relating to otterboards Expired GB550394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB829441A GB550394A (en) 1941-07-01 1941-07-01 Improvements in and relating to otterboards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB829441A GB550394A (en) 1941-07-01 1941-07-01 Improvements in and relating to otterboards

Publications (1)

Publication Number Publication Date
GB550394A true GB550394A (en) 1943-01-06

Family

ID=9849754

Family Applications (1)

Application Number Title Priority Date Filing Date
GB829441A Expired GB550394A (en) 1941-07-01 1941-07-01 Improvements in and relating to otterboards

Country Status (1)

Country Link
GB (1) GB550394A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210706B (en) * 1959-02-13 1966-02-10 Ibak Helmut Hunger Fa Underwater tug for searching the seabed
WO2006048258A1 (en) * 2004-11-04 2006-05-11 Candis Ehf. Higher efficiency pelagic trawl door construction employing universally available materials and methods
WO2016029915A1 (en) * 2014-08-27 2016-03-03 Desmi Ro-Clean A/S Paravane for a floating barrier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210706B (en) * 1959-02-13 1966-02-10 Ibak Helmut Hunger Fa Underwater tug for searching the seabed
WO2006048258A1 (en) * 2004-11-04 2006-05-11 Candis Ehf. Higher efficiency pelagic trawl door construction employing universally available materials and methods
WO2016029915A1 (en) * 2014-08-27 2016-03-03 Desmi Ro-Clean A/S Paravane for a floating barrier

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