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WO2006008646A2 - Nasses marines - Google Patents

Nasses marines Download PDF

Info

Publication number
WO2006008646A2
WO2006008646A2 PCT/IB2005/002207 IB2005002207W WO2006008646A2 WO 2006008646 A2 WO2006008646 A2 WO 2006008646A2 IB 2005002207 W IB2005002207 W IB 2005002207W WO 2006008646 A2 WO2006008646 A2 WO 2006008646A2
Authority
WO
WIPO (PCT)
Prior art keywords
frame
pipe
bar
base
frame according
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.)
Ceased
Application number
PCT/IB2005/002207
Other languages
English (en)
Other versions
WO2006008646A3 (fr
Inventor
Patrick John Quill
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
Publication of WO2006008646A2 publication Critical patent/WO2006008646A2/fr
Publication of WO2006008646A3 publication Critical patent/WO2006008646A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A01K69/00—Stationary catching devices
    • A01K69/06—Traps

Definitions

  • the invention relates to marine traps, for example lobster pots, fish cages and white fish traps.
  • EP-A-1371286 describes an improvement in which the marine traps use a frame which comprises steel bars inserted in plastic pipes for both corrosion resistance and strength. The bars are interconnected by sockets.
  • the present invention is directed towards providing a marine trap which of simpler construction than disclosed in EP-A-1371286, and which also has a high strength and corrosion resistance.
  • the present invention is also directed towards providing such strength and corrosion resistance with simpler manufacturing than disclosed in EP-A-1371286.
  • a frame for a marine trap comprising a length of bar formed into a frame configuration.
  • the bar may comprise a metal core inserted in a pipe made of a plastics material.
  • the metal for the core is preferably steel. Other metals may however be used.
  • the plasties material for the pipe is preferably polyethylene. Other plasties materials may however be used.
  • the pipe may be sealed at its ends to completely enclose the core.
  • Each seal may comprise a plug which is inserted into the end of the pipe and heat sealed in place. Other types of seal may be used.
  • the plug is made of the same material as the pipe.
  • the plug may however be of a different material to the pipe.
  • the bar may have 180° bends forming juxtaposed lengths which together form a base of the frame.
  • the frame may also comprises a transverse length extending across at least one end of the base.
  • the frame may also comprises a gable end at each end formed by a curved section of bar extending in a generally vertical plane.
  • the present invention also provides a marine trap comprising a mesh supported by the frame.
  • the mesh may be any suitable and appropriate type of mesh, for example polyvinyl chloride coated galvanised steel mesh. Plastics materials other than polyvinyl chloride may be employed.
  • the present invention further provides a method of producing a marine trap frame, which method comprises bending a unitary length of bar into the frame configuration.
  • the bar may be bent with substantially 180° bends to form juxtaposed lengths interconnected by bends at ends of a base of the frame.
  • the bar may be further bent at each end of the base to form a transverse end length.
  • the bar may be further bent at each end of the base to form a gable end.
  • the bar is produced by inserting a metal bar in a plastics pipe.
  • the ends of the pipe are sealed.
  • the ends of the pipe are sealed by inserting a plug into each end of the pipe and heat fusing the plug and the pipe end together.
  • the ends of the pipe and the plugs are pre-heated to a fusion temperature before insertion of the plugs into the pipe ends.
  • Figure 1 is a perspective view from above of a lobster pot frame of the invention
  • Figures 2 and 3 are perspective views of lobster pot bases
  • Figure 4 is a perspective view of a top portion for a lobster pot, and which is for mounting on a base;
  • Figure 5 is a top plan view of the top portion shown in Figure 4 and before the top portion has been bent to the shape shown in Figure 4;
  • Figure 6 is a part sectional view of an end of a bar and sealing means for sealing the end of the bar;
  • Figure 7 shows the end of the bar shown in Figure 6 and sealed.
  • a lobster pot frame 1 comprising a base 2 and gable ends 3 and 4, all formed from a single length of bar.
  • the bar is bent in a number of bends 5 to form juxtaposed parallel lengths to provide the base 2.
  • the length of bar continues with a right- angled bend 6 to extend transversely and form a bottom part for the gable ends 3, 4.
  • the bar then extends upwardly and around in a generally circular curve so that the end of the bar abuts the first right- angled bend 6.
  • a lobster pot is completed by inserting a heavy duty mesh of polyvinyl chloride coated galvanised steel (not shown) within the frame 1. The required trap openings for the lobster pot are then formed in the mesh.
  • the bar from which the frame 1 is formed has a thick plastics outer layer.
  • the full lobster pot does not have any exposed metal. This dramatically reduces the likelihood of corrosion, and it also avoids electrolysis which arises in prior art marine traps having metal-to-metal contact.
  • the bar of the frame 1 has a steel core, it has a very high strength. Another major advantage is that the frame 1 does not have any joints, giving rise to very low production and material costs.
  • the frame of the present invention may comprises a base only, such for example as a base 10 shown in Figure 2.
  • the base 10 is formed from a bar similar to that of the frame 1. However, in this embodiment, the bar forms only transverse end sections 11 and 12 and longitudinal sections 13.
  • FIG 3 shows an alternative frame 20 which has only one transverse section 21 and longitudinal sections 22.
  • a frame of the invention may comprise a top portion tied to a base such for example as the bases 10 or 20.
  • a top portion 30 is shown in Figure 4.
  • the top portion 30 is manufactured by first forming a length of bar into a generally rectangular shape with a join at 31 , as shown in Figure 5.
  • the end sections of the generally rectangular shape are then bent to form gable ends 35, 36 shown in Figure 4.
  • the longer sides of the generally rectangular shape remain as side bars 37.
  • the bar from which all of the frames described above are formed comprises a steel core within a pipe of medium density polyethylene material.
  • Figures 6 and 7 show how the bar may be manufactured.
  • a pipe 60 of 6m length is provided, and a steel core 62 of 5.96m length is inserted into the pipe 60. This leaves a 2cm length of excess pipe 60 at each end 61.
  • the pipe is made of the medium density polyethylene plastics material.
  • a plug 63 of the same material as that of the pipe 60 is then provided. Both the pipe end 61 and the plug 63 are simultaneously heated by fittings of a heat fusion machine (not shown). The temperature is preferably 140 - 160 0 C and the duration is preferably 6 seconds. The heated plug 63 is then immediately pushed into the heated pipe end 61. The temperature of the pipe end 61 and the plug 63 causes the plug 63 to become heat fused to the pipe end 61, so that together they form an integral seal 70 at the end of the pipe. This procedure is repeated for the other end of the pipe, so that the steel core 62 then is completely enclosed. Thus the steel core 62 and the pipe 60 form a bar of very high strength, suitable for bending into the desired frame shape, and being corrosion resistant.
  • the frame of the present invention may comprise a small number of fittings, for example T-joint fittings, at each bar end.
  • the fittings may be heat fused in place.
  • the shape and configuration of the frame may be different to those shown in the drawings.
  • the gable ends may have a generally rectangular shape.
  • the frame may be for a marine trap other than a lobster pot so that, for example, the frame may be for a fish cage or a white fish trap.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Catching Or Destruction (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

Cette invention concerne un châssis (1) pour nasse marine, composé d'une barre d'une certaine longueur de tringle pliée à la forme de châssis (2, 3, 4). La tringle est constituée de préférence par une âme en métal logée à l'intérieur d'un tube en matière plastique. Est également décrit un procédé de fabrication de la nasse marine (1).
PCT/IB2005/002207 2004-07-14 2005-07-11 Nasses marines Ceased WO2006008646A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE2004/0475 2004-07-14
IE20040475 2004-07-14

Publications (2)

Publication Number Publication Date
WO2006008646A2 true WO2006008646A2 (fr) 2006-01-26
WO2006008646A3 WO2006008646A3 (fr) 2006-04-20

Family

ID=35658862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/002207 Ceased WO2006008646A2 (fr) 2004-07-14 2005-07-11 Nasses marines

Country Status (1)

Country Link
WO (1) WO2006008646A2 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824757A (en) * 1958-01-18 1959-12-02 Robert Dove Leakey Improvements in or relating to fish-traps
US4730411A (en) * 1986-04-21 1988-03-15 Peter Katis Collapsible marine trap
US5479739A (en) * 1994-08-31 1996-01-02 Livingston; J. Mark Spring actuated marine animal capturing device
US6035575A (en) * 1998-11-17 2000-03-14 Hilty; David J. Marine animal trap entrance gate
GB2365306B (en) * 2000-08-02 2004-03-17 Helen Johnstone Macvicar Improved marine traps
EP1371286B1 (fr) * 2002-06-10 2005-03-09 QUILL, Patrick John Nasse

Also Published As

Publication number Publication date
WO2006008646A3 (fr) 2006-04-20

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