GB990590A - Improvements in or relating to trawl boards - Google Patents

Improvements in or relating to trawl boards

Info

Publication number
GB990590A
GB990590A GB4230962A GB4230962A GB990590A GB 990590 A GB990590 A GB 990590A GB 4230962 A GB4230962 A GB 4230962A GB 4230962 A GB4230962 A GB 4230962A GB 990590 A GB990590 A GB 990590A
Authority
GB
United Kingdom
Prior art keywords
plate
trawl
heavy
board
apertures
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
GB4230962A
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.)
MAURICE COOPMAN
Original Assignee
MAURICE COOPMAN
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 MAURICE COOPMAN filed Critical MAURICE COOPMAN
Priority to GB4230962A priority Critical patent/GB990590A/en
Publication of GB990590A publication Critical patent/GB990590A/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)
  • Tents Or Canopies (AREA)

Abstract

990,590. Trawl boards. M. COOPMAN. Oct. 28, 1963 [Nov. 8, 1962], No. 42309/62. Heading A1A. A trawl board comprises a curved steel plate 10 of greater height than length having a buoyancy chamber 11 at the top thereof and a heavy plate 12 at the base, a strut 16 having apertures 17 for attachment of a towing cable and being welded to the underside of the chamber 11, to the heavy plate 12, to the plate 10 and to a heavy bar 13, and two brackets 14, 15 on the plate 10 and having apertures for attachment of a trawl net. A board lifting eye is fixed to the plate 10. Additional weights may be bolted to the plate 12 to adjust the trim of the board.
GB4230962A 1962-11-08 1962-11-08 Improvements in or relating to trawl boards Expired GB990590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4230962A GB990590A (en) 1962-11-08 1962-11-08 Improvements in or relating to trawl boards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4230962A GB990590A (en) 1962-11-08 1962-11-08 Improvements in or relating to trawl boards

Publications (1)

Publication Number Publication Date
GB990590A true GB990590A (en) 1965-04-28

Family

ID=10423865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4230962A Expired GB990590A (en) 1962-11-08 1962-11-08 Improvements in or relating to trawl boards

Country Status (1)

Country Link
GB (1) GB990590A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129661A (en) * 1982-10-15 1984-05-23 Thomas Horsfield A trawl board
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
GB2129661A (en) * 1982-10-15 1984-05-23 Thomas Horsfield A trawl board
WO2016029915A1 (en) * 2014-08-27 2016-03-03 Desmi Ro-Clean A/S Paravane for a floating barrier
EP3185679A4 (en) * 2014-08-27 2018-04-04 Desmi Ro-Clean A/S Paravane for a floating barrier

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