WO2023233432A1 - Équipement de recherche et de sauvetage utile dans des eaux à faible visibilité, de l'eau peu profonde et proche de la côte - Google Patents

Équipement de recherche et de sauvetage utile dans des eaux à faible visibilité, de l'eau peu profonde et proche de la côte Download PDF

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Publication number
WO2023233432A1
WO2023233432A1 PCT/IS2023/060001 IS2023060001W WO2023233432A1 WO 2023233432 A1 WO2023233432 A1 WO 2023233432A1 IS 2023060001 W IS2023060001 W IS 2023060001W WO 2023233432 A1 WO2023233432 A1 WO 2023233432A1
Authority
WO
WIPO (PCT)
Prior art keywords
search
net
rescue
tube
sleeve
Prior art date
Application number
PCT/IS2023/060001
Other languages
English (en)
Inventor
Jon HELGASON
Saemundur Heimir GUDMUNDSSON
Original Assignee
Helgason Jon
Gudmundsson Saemundur Heimir
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 Helgason Jon, Gudmundsson Saemundur Heimir filed Critical Helgason Jon
Publication of WO2023233432A1 publication Critical patent/WO2023233432A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/26—Cast or life lines; Attachments thereto; Containers therefor; Rescue nets or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/26—Cast or life lines; Attachments thereto; Containers therefor; Rescue nets or the like
    • B63C2009/265—Nets or sheet-like devices, e.g. for lifting persons on board or for facilitating climbing on board

Definitions

  • the invention is within the field of rescue equipment and specifically concerns a hand-held rescue net for searching for submerged bodies (persons) in murky waters.
  • each base unit can be arranged on the tube with conventional suitable methods such as by tying with suitable twine.
  • the hollow tubes can be made of any of a variety of suitable plastics such as but not limited to polypropylene or polyethylene.
  • the tubes can for example by extruded from LLDPE, LDPE, HDPE, polyamide (Nylon), polystyrene, polyurethane, polyvinylchloride (PVC), acetal, polyphenylene sulfide, polyesters, and the like.
  • Other polymer materials can also be used, such as acrylonitrile butadiene-styrene (ABS) and other copolymers (acetal copolymers).
  • ABS acrylonitrile butadiene-styrene
  • acetal copolymers acetal copolymers
  • connection between the tubes and sleeve can be arranged e.g. such that the tube ends have essentially the same outer diameter as the inner diameter of the sleeve, such that the tube ends fit snugly in the sleeve.
  • the tube ends and sleeve can in other embodiments be further arranged to have a threaded connection or having a ridge or other protrusion on the end of the tube and a corresponding notch on the inside of the sleeve, preferably such that the tube is inserted and twisted into a locked position.
  • a load line is a weighted line that sinks and is as such well known in the field of fishing nets.
  • the load line of the present device should have sufficient weight to ensure that the net bottom edge sinks towards the bottom, and thus that the net will hang as a curtain in the water.
  • the load line can also be referred to as a footrope.
  • the load line is a conventional load line used for fishing nets, such as a load line of a width in the range 8-15 mm, such as 8 mm, 10 mm, 12 mm, or 15 mm.
  • the load line for each base unit has a weight in the range of about 2 to about 5 kg, such as about 2, 2.5, 3, or 4 kg.
  • the load line is twofold, to have a smooth flexible bottom edge while still providing sufficient weight.
  • the device may be configured so that it can readily be converted on-site to a stretcher, then two of said plastic hollow tubes are used as stretcher bars and one net used as the stretcher sheet. This can be done by removing the net from one plastic tube (by having the net not too tightly tied to the tube, so that the net can be pulled of the tube), using another tube with attached net, the net is then folded around the free tube to make a double or triple layer, and carabiner hooks used to hold the load line can be used to fix the folded net in place.
  • Figure 1 shows an illustration of a version of the invention.
  • Two base units are shown in Figure 1, each with a plastic tube 1 and net 3.
  • the net is arranged with two load lines 4, where each load line 4 has one end connected to the tube 1 or is connected to the net 3 adjacent the tube. The other end of each load line extends along the bottom edge of the net 3, fastened at four points with carabiner hooks 5.
  • Two sleeves 2 are shown, with an internal diameter that matches the outer diameter of the plastic tubes 1.
  • the nets 3 have a length (from the top edge at the tube to the bottom edge) of 1,20m and a mesh size of 200mm.
  • the loadline has 12mm diameter (of type referred to as "grayling loadline").
  • a non-limiting prototype embodiment comprises a base unit with measured length 2 meters by 1.6 meters depth.
  • the net of the base unit is made from a yarn, formed by knotting a relatively thin thread.
  • the mesh is in a diamond-like structure, the grid being 150mm.
  • a 2-meter plastic hollow tube 40 mm outer diameter that will float on water is bound to the mesh by nylon material 6.
  • On each end of the hollow tube there is a cap 7 glued into the hollow tube, filling the tube with air, making it leakproof and impossible to sink.
  • a load line 4 is arranged at least along the lower edge of the net. Preferably, a load line is arranged also along the sides of the net, joined to the meshes.
  • a load line preferably extends from the corner of the net at the plastic hollow tube, along the side of the net and the bottom edge and along the opposing side of the net.
  • An additional load 4' line can be arranged and joined to the meshes at the lower edge, to add weight.
  • one load line extends from the top corner of the net along the side edge and the bottom to the far lower corner of the net, while another load line extends in the same way from the other top corner of the net to its opposite far lower corner.
  • the load line or load lines can be fixed to the net e.g. by threading through the meshes, by tying it to the net with a separate line or with carabiner hooks or the like fasteners, which are fastened to the load line.
  • Two or more base units can be assembled together with a 200mm long custom-made plastic sleeve (40 mm inner diameter, 50 mm outer diameter), allowing the net area to be greater while in use.
  • the prototype product branded StakkurTM rescue net is capable of being assembled in as many units as necessary each time.
  • the current prototype has operation ability of 1.6 meters depth.
  • the search and rescue equipment of the invention is light, easy to handle. It is a major advantage that the equipment can be operated by one person, giving the rescue team the ability to operate more freely and allows faster response time in search and rescue missions.
  • the invention is particularly useful in search and rescue I drowning situations in geothermal pools, hot springs, lagoons, lakes, or other settings where visibility is poor in water.
  • search and rescue equipment of the invention can be operated as a One-person operation (OPO) covering a width of 4 meters or more. Every extra added base unit gives an additional 2 meters in surface width. A team of two using the invention could cover up to 8 meters width. It is lightweight, easy to handle and reduces response-to- emergency time significantly, therefore reducing the risk of fatal injuries and drowning.
  • OPO One-person operation
  • the mesh area is bigger than usual, reducing resistance, no aluminium need be used in the net or device, no knots in the yarn, only plastic and yarn, with a flexible lead weights (loadline) at the bottom of the net, which further reduces resistance for the user but at the same time keeping it stable. This allows for full stamina and focus on the search and rescue. Little energy is being used by the operator while operating the search and rescue equipment.
  • the invention can be used in situations when a victim may submerge after a cardiac arrest, stroke, seizure or other medical emergency resulting in unconsciousness or incapacity in the water.
  • the invention can be used as a one-person operation by handling it from one side of the plastic tube and rotating 360° covering a diameter of 2 meters in every direction in tight spaces. If a single operator needs to cover more ground the person can assemble two search and equipment units (basic units) together in an easy step, covering 4 meters by standing in the space between the units holding onto the custom-made sleeve.
  • the search and rescue equipment of the invention aids in underwater search and rescue, murky waters where reduced, poor visibility occurs, for example: Geothermal pools, lagoons, rivers, hot springs and other shallow water sources.
  • search and rescue equipment makes a rescue safer for both the rescuer and the victim especially in shallow rocky environments.
  • Specific rescue equipment for bad visibility in water is crucial due to the nature of the environment where the inventive search and rescue equipment is intended to be operated, such as in murky/bad visibility waters.
  • the equipment of the invention can be changed to transport stretchers in four easy steps. a. Remove the plastic sleeve b. Combination splice to be attached to adjacent footrope headline, to be done on both sides c. Three carabine clips hooked at the bottom of the net in equal spacing to make a flatbed d. Rescuers on each end, maneuvering the device as a transport stretcher
  • the hollow tube is sealed with caps on both sides making it leak proof/airtight, thus giving the equipment the ability to partly float on surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Un dispositif de recherche et de sauvetage comprend un filet léger (3) monté sur un tube fermé creux (1) qui flotte dans l'eau, deux unités de filet pouvant être assemblées avec un manchon (2) et plus de deux unités pouvant être assemblées de la même manière. Le dispositif peut facilement et rapidement être converti en un brancard de transport.
PCT/IS2023/060001 2022-05-31 2023-05-31 Équipement de recherche et de sauvetage utile dans des eaux à faible visibilité, de l'eau peu profonde et proche de la côte WO2023233432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IS050371 2022-05-31
IS050371 2022-05-31

Publications (1)

Publication Number Publication Date
WO2023233432A1 true WO2023233432A1 (fr) 2023-12-07

Family

ID=89025878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IS2023/060001 WO2023233432A1 (fr) 2022-05-31 2023-05-31 Équipement de recherche et de sauvetage utile dans des eaux à faible visibilité, de l'eau peu profonde et proche de la côte

Country Status (1)

Country Link
WO (1) WO2023233432A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004015626U1 (de) * 2004-10-07 2004-12-30 Strauss, Roland Wasserrettungsnetz zum Auffinden von Personen unter Wasser nach einem Unglücksfall
US7238074B1 (en) * 2004-05-25 2007-07-03 Berndt Larry K Crew overboard retrieval system
DE102009041748B3 (de) * 2009-09-16 2010-10-28 Schwindt, Michael, Prof. Rettungsnetzsystem zur Heranführung einer oder mehrerer im Wasser treibender, hilfloser Personen an ein Schiff
GB2474101A (en) * 2009-10-01 2011-04-06 Tien-Chih Yu Net for recovering corpses from a body of water

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7238074B1 (en) * 2004-05-25 2007-07-03 Berndt Larry K Crew overboard retrieval system
DE202004015626U1 (de) * 2004-10-07 2004-12-30 Strauss, Roland Wasserrettungsnetz zum Auffinden von Personen unter Wasser nach einem Unglücksfall
DE102009041748B3 (de) * 2009-09-16 2010-10-28 Schwindt, Michael, Prof. Rettungsnetzsystem zur Heranführung einer oder mehrerer im Wasser treibender, hilfloser Personen an ein Schiff
GB2474101A (en) * 2009-10-01 2011-04-06 Tien-Chih Yu Net for recovering corpses from a body of water

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