FR2410432A1 - Chalut a ouverture et fermeture commandees, notamment pour la recolte selective du micro-necton pelagique - Google Patents

Chalut a ouverture et fermeture commandees, notamment pour la recolte selective du micro-necton pelagique

Info

Publication number
FR2410432A1
FR2410432A1 FR7736071A FR7736071A FR2410432A1 FR 2410432 A1 FR2410432 A1 FR 2410432A1 FR 7736071 A FR7736071 A FR 7736071A FR 7736071 A FR7736071 A FR 7736071A FR 2410432 A1 FR2410432 A1 FR 2410432A1
Authority
FR
France
Prior art keywords
closing
necton
pelagic
trawl
micro
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
Application number
FR7736071A
Other languages
English (en)
Other versions
FR2410432B1 (fr
Inventor
Philippe Bourret
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7736071A priority Critical patent/FR2410432A1/fr
Priority to US05/963,968 priority patent/US4224755A/en
Priority to JP14957178A priority patent/JPS5485974A/ja
Publication of FR2410432A1 publication Critical patent/FR2410432A1/fr
Application granted granted Critical
Publication of FR2410432B1 publication Critical patent/FR2410432B1/fr
Granted 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)

Abstract

LA PRESENTE INVENTION EST RELATIVE A UN NOUVEAU CHALUT A OUVERTURE ET FERMETURE COMMANDEES. CE CHALUT EST CARACTERISE EN CE QU'IL COMPREND, ENTRE LE FILET ET LE CUL, UN MECANISME DE FERMETURE-OUVERTURE MUNI D'UN PREMIER MOYEN DE COMMANDE, LEDIT MECANISME TENANT FERMEE L'ENTREE DU CUL EN LAISSANT OUVERT L'ARRIERE DU FILET, PUIS, SOUS L'ACTION DE SON MOYEN DE COMMANDE, METTANT EN COMMUNICATION L'ARRIERE DU FILET AVEC L'ENTREE DU CUL, ET UN SYSTEME DE RABATTEMENT-OBTURATION MUNI D'UN DEUXIEME MOYEN DE COMMANDE QUI, SOUS L'ACTION DE SON MOYEN DE COMMANDE, LAISSE LA GUEULE SE RABATTRE VERS L'ARRIERE, PUIS ASSURE, PAR UN OBTURATEUR, LA FERMETURE DE LADITE GUEULE. APPLICATION A LA RECOLTE SELECTIVE DU MICRO-NECTON PELAGIQUE.
FR7736071A 1977-11-30 1977-11-30 Chalut a ouverture et fermeture commandees, notamment pour la recolte selective du micro-necton pelagique Granted FR2410432A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7736071A FR2410432A1 (fr) 1977-11-30 1977-11-30 Chalut a ouverture et fermeture commandees, notamment pour la recolte selective du micro-necton pelagique
US05/963,968 US4224755A (en) 1977-11-30 1978-11-27 Trawl-net apparatus having controlled net opening and closing
JP14957178A JPS5485974A (en) 1977-11-30 1978-11-30 Trolling net apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7736071A FR2410432A1 (fr) 1977-11-30 1977-11-30 Chalut a ouverture et fermeture commandees, notamment pour la recolte selective du micro-necton pelagique

Publications (2)

Publication Number Publication Date
FR2410432A1 true FR2410432A1 (fr) 1979-06-29
FR2410432B1 FR2410432B1 (fr) 1981-05-08

Family

ID=9198285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736071A Granted FR2410432A1 (fr) 1977-11-30 1977-11-30 Chalut a ouverture et fermeture commandees, notamment pour la recolte selective du micro-necton pelagique

Country Status (3)

Country Link
US (1) US4224755A (fr)
JP (1) JPS5485974A (fr)
FR (1) FR2410432A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11517002B1 (en) * 2016-09-30 2022-12-06 Great Salt Lake Brine Shrimp Cooperative, Inc. Artemia harvesting device

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56117732A (en) * 1980-02-25 1981-09-16 Taito Seiko Kk Net opening closing apparatus for trowling net
US4697372A (en) * 1985-12-10 1987-10-06 Leonard Albert A Doorless, positive-spreading trawling apparatus
US5361528A (en) * 1993-05-25 1994-11-08 Peacock Francis E N Trawling system and trawl device for shrimp
NO318542B1 (no) * 2003-06-27 2005-04-11 Svenn Linde Anordning ved planktonhav
JP4848898B2 (ja) * 2006-08-31 2011-12-28 国立大学法人東京海洋大学 トロール網層別採集装置
NO341371B1 (no) * 2011-09-22 2017-10-23 Scantrawl As Sortering under fiske
BE1021380B1 (nl) * 2013-03-13 2015-11-12 Kalapa Bvba Vissorteersysteem voor het sorteren van vis in een gesleept visnet
US9776692B2 (en) * 2014-07-02 2017-10-03 S.P. Cramer & Associates, Inc. Single-platform integrated aquatic species and habitat sampling system
CN105123634B (zh) * 2015-07-17 2017-10-03 马海滨 一种鲢鱼的捕鱼装置
NO20221241A1 (no) * 2022-11-18 2023-11-06 Voeatec As Trålsystem for utfisking av organismer av en merd

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA609882A (en) * 1960-12-06 T. Worcester Joseph Commercial shrimp net
US2721411A (en) * 1950-07-29 1955-10-25 Pedersen Carl Emil Collecting device for live fish
US3412498A (en) * 1966-01-20 1968-11-26 Univ Miami Apparatus for procuring oceanographic samples
US3461591A (en) * 1967-11-03 1969-08-19 Univ California Underwater sampling apparatus
US3688433A (en) * 1969-06-06 1972-09-05 Shale J Niskin Net for collecting marine specimens
SU511922A1 (ru) * 1974-07-22 1976-04-30 Дальневосточное Опытное Конструкторско-Технологическое Бюро "Дальтехрыбпром" Трал дл лова рыбы

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11517002B1 (en) * 2016-09-30 2022-12-06 Great Salt Lake Brine Shrimp Cooperative, Inc. Artemia harvesting device

Also Published As

Publication number Publication date
US4224755A (en) 1980-09-30
FR2410432B1 (fr) 1981-05-08
JPS5485974A (en) 1979-07-09

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Legal Events

Date Code Title Description
ST Notification of lapse