WO1982001860A1 - Appareil de lancement pour un projectile relie a une ligne de vie ou similaire - Google Patents

Appareil de lancement pour un projectile relie a une ligne de vie ou similaire Download PDF

Info

Publication number
WO1982001860A1
WO1982001860A1 PCT/NO1981/000018 NO8100018W WO8201860A1 WO 1982001860 A1 WO1982001860 A1 WO 1982001860A1 NO 8100018 W NO8100018 W NO 8100018W WO 8201860 A1 WO8201860 A1 WO 8201860A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
piston
projectile
line
compressed air
Prior art date
Application number
PCT/NO1981/000018
Other languages
English (en)
Inventor
Olav Hallaraune
Johan Valen
Harry Jensen
Original Assignee
Olav Hallaraune
Johan Valen
Harry Jensen
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 Olav Hallaraune, Johan Valen, Harry Jensen filed Critical Olav Hallaraune
Priority to DE8181901218T priority Critical patent/DE3171565D1/de
Publication of WO1982001860A1 publication Critical patent/WO1982001860A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
    • F42B12/68—Line-carrying missiles, e.g. for life-saving
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns

Definitions

  • the present invention relates to a launching apparatus for discharging a projectile connected to a lifeline or the like, comprising a launching tube which is connected to a source of compressed air via a main valve having rapid valve movement.
  • the invention also relates to a projectile means for the launching apparatus.
  • the launching tube is similarly connected to a compressed air chamber.
  • the inlet to the launching tube is closed off from the compressed air chamber by means of a valve plate which is controlled by means of a servo-piston connected to the valve plate by means of a piston rod.
  • the servo-piston is movable in a cylinder which is separated from the compressed air chamber.
  • the lifting of the valve plate occurs in that, compressed air is introduced behind the servo-piston. Because the valve plate must be moved away from its seat against the pressure in the compressed air container, and since compressed air is introduced via a valve in the servo-piston, one will obtain a slow opening of the valve.
  • a launching apparatus for discharging a projectile connected to a lifeline or the like comprising a launching tube which is connected to a source of compressed air via a main valve having rapid valve movement, wherein a reservoir for compressed air is arranged in connection with the launching tube, the main valve being disposed between the reservoir and the launching tube and having a large flow area, the valve being actuated to an open position by means of a pressure-driven servo-mechanism consisting of a cylinder with a piston that is connected to the main valve, an inlet for compressed air into the cylinder space in back of the piston being provided, a manually-operable valve in a non-actuated position holding said inlet open, and a compression spring being provided on the back side of the piston which compresses the piston and thereby the main valve into a closed position, and the apparatus is characterized in that the manually-operable valve has an air drain
  • a preferred embodiment of the invention is character ⁇ ized in that the manually-actuated valve is mounted in a holder which is secured inside the reservoir, that the cylinder for the piston is integrated in the holder, and that a passage for compressed air is provided in the holder from a rearward part to a forward part of the compressed air reservoir.
  • line is arranged in loops running back and forth, layer upon layer, in said compartment.
  • the compartment is closable by means of a lid which can easily be pulled off the line inside the compartment is fastened to the inside of the lid, and one end of a connecting rope having relatively high breaking strength is fastened to the outside of the lid, the other end thereof being fastened to the launching apparatus.
  • a special embodiment is characterized in that the forward end of the compartment is closed by a shell-shaped tip, that the compartment at a distance in back of the tip is offset to a smaller diameter and that in continuation of the part of the chamber which has a larger diameter and which is directly connected to the tip, a skirt is provided which is concentric with the part of the chamber having a smaller diameter, guide fins being provided on the exterior of the skirt.
  • the invention also relates to an apparatus for inserting the line into the projectile.
  • a launching apparatus which is to be used for practice firing to a great extent, it should be possible for the operator himself to place the line in the compartment of the projectile easily.
  • the invention therefore also relates to a simple apparatus which allows the operator to place the line in the compartment of the pro ectile under almost any kind of weather conditions.
  • the apparatus is characterized by a tube having a bore diameter which is somewhat larger than the cross-sectional diameter of the line, one end of.
  • the tube being connected to a chamber having a somewhat larger inside diameter than the tube, a laterally-directed opening to the outside being provided in the chamber for insertion of the line, and an inlet for com ⁇ pressed air to the chamber being provided above the inlet orifice of the tube.
  • a preferred embodiment of this apparatus is character ⁇ ized in that at one end of the tube, a plate, preferably perforated, is provided, its plane being transverse of the longitudinal direction of the tube.
  • FIG. 1 shows a cross section through an embodiment of a launching apparatus according to the invention
  • Figure 2 shows a projectile according to the invention, seen in cross section.
  • Figure 3 shows an apparatus for inserting lifeline into the projectile
  • Figure 4 is an enlarged detail of a vital part of the apparatus of Figure 3.
  • the launching apparatus consists of a preferably cylindrical, tube-shaped pressure chamber 1 which constitutes a reservoir for compressed air. At one end of the chamber, the forward end when the apparatus is in use, a launching tube 2 is connected to the reservoir via an annular flange 3.
  • the annular flange 3 has a passage 4 which corresponds to the passage 5 of the launching tube.
  • the flange 3 is formed with an inclined surface at the inner edge thereof which constitutes a valve seat 6.
  • a strong valve plate 7 having an inclined surface 6a corresponding to the valve seat 6 cooperates with the valve seat.
  • the valve plate 7 is attached to the forward end of a rod 9 which in turn is attached to a piston 10.
  • the piston is movable back and forth in a cylinder 8.
  • the piston 10 is controlled by a steering member 11 which runs in a bore 12.
  • the cylinder 8 is integrated into a holder 13 which by means of spokes 14 is attached to the interior of the reservoir 1.
  • a manually operable valve 15 is arranged in one of the spokes.
  • an inlet 17 for compressed is arranged, as well as an outlet 18 to the cylinder space 19 in back of the piston 10.
  • an air drain passage 21 is provided in the valve slide 20 .
  • the slide 20 is extended such that it constitutes an actuating button 22.
  • the reservoir 1 is supplied with compressed air through a nipple 23.
  • the compressed air can be supplied, for example, from a compressed air bottle having a reducing valve such that the air supplied has a pressure of 60 kp.
  • the steering member 11 has an air drain passage 24 for the bore 12 when the piston 10 is pushed ba ⁇ kwardly.
  • a compression spring 25 which serves as an auxiliary member for holding the valve 7 in place against the seat 6. This will be explained in greater detail below.
  • Fastened to the rearward end of the launching apparatus is a firing lever 26.
  • the firing lever 26 is made of a resilient material, for example a resilient plastic or plastic-coated steel, and in the unloaded state lies a short distance from the end of the actuating button 22. When the lever is pushed inwardly, it sill press against the button 22 and the shot will be fired.
  • the purpose of the firing lever is to make the apparatus easier to operate, for example, with numb fingers or with mittens on.
  • the apparatus operates in the following manner: When compressed air is supplied through the supply nipple 23, the compressed air flows into the rearward part la of the compressed air reservoir 1. Through the passage 17, the compressed air flows through the valve 15 into the space 19 in back of the piston 10 through an inlet 27. The compressed air will also pass through the holder 13 between the spokes, such that com ⁇ pressed air is also found in the forward part lb of the compressed air reservoir 1. However, the spring 25 will force the valve plate 7 against the seat 6. When firing, the actuator button 22 is pushed in and the slide 20 will be guided inwardly such that the passage 17 is closed while at the same time the outlet 18 from the cylinder space 19 is opened toward the drain passage 21.
  • the actuator button 22 will be provided with a safety guard to prevent accidental firing, for example, in the form of a cotter pin or a detachable cover.
  • the projectile according to Figure 2 consists of a relatively lightweight, shell-shaped head or tip 28 which is attached to one end of a thin-walled tube 29 which is open at the end 30 opposite the tip 28. At the rearward end of the tube 29, guide fins 32 are attached to the exterior thereof.
  • a tube 29' concentric with the tube 29 but of smaller diameter is disposed inside the tube 29, a tube 29' concentric with the tube 29 but of smaller diameter is disposed.
  • the tube 29' is connected to the interior of the tube 29 by means of a conical transition section 34.
  • the forward part of the tubes 29 and 29' forms a: tubular compartment 33.
  • a line 31 is fastened at the forward end of this compartment, e.g., internally in the tip of the head 28, a line 31 is fastened. In this manner, the projectile will be very light ⁇ weight, but when the compartment 33 is filled with line 31 the projectile will have sufficient weight to obtain sufficient mass when being fired. Owing to the offset configuration of the compartment 33, the projectile will be heaviest in the forward end when fired.
  • the rearward end of the line 31 is fastened to a lid 35 which prevents air pressure from entering the compart ⁇ ment 33 during firing.
  • the lid 35 is fastened to the launching apparatus by means of a connecting rope 36. In this manner, the compartment with the line inside it will be held dry during storage.
  • the projectile When the projectile has been shot and all of the line 31 has run out of the compartment 33, the projectile will be heaviest in the rearward end thereof and will thus float on the water with its tip up, since a quantity of air will be trapped inside the projectile. This will be of great importance during rescue operations at sea. For example, it might happen that the projectile does not quite reach a disabled ship, but the personnel could reach it by means of a boathook or the like. Another situation in which it will be necessary that the projectile floats is when rendering assistance to small boats or liferafts. It will often be very difficult to shoot the projectile so accurately that the line falls down on a small boat or liferaft.
  • the rescue vessel can shoot the lifeline to windward of the small boat or raft, and let the projectile with the float line drift down to the raft.
  • the line and projectile can be fluorescent such that they will be easily visible to the people in distress when illuminated by a spotlight from the rescue vessel.
  • the line is laid in back- nd-forth loops inside the projectile. This is done very simply and quickly by means of the apparatus of Figure 3, which consists of an elongated, thin tube 37 whose rearward end is connected to a chamber 38 having a laterally- directed opening 39 for introduction of the line 31.
  • the chamber can be supplied with compressed air by means of an air hose 40.
  • the compressed air enters the chamber 38 through a nozzle 41 whose mouth lies nearer the tube 37 than the feed opening 39 for the line 31.
  • the end of the line is passed through the opening 39 into the tube 37 and compressed air is introduced into the chamber 38 through the nozzle 41.
  • the line is blown through the tube 37 and will lie in back-and-forth loops 42.
  • a perforated plate 43 attached to the tube 37 the line can be packed more tightly together at suitable intervals.
  • the line When the projectile of the invention is fired, the line will run out of the compartment in the projectile gradually as the projectile travels along its intended course.
  • the line according to the invention does not have to be -accelerated.by the projectile in the extended state. Once the line has been drawn out of the projectile compartment, it will "stand still” in the air. There will thus be no axial movement of the withdrawn line during the firing of the projectile.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Emergency Lowering Means (AREA)
  • Actuator (AREA)

Abstract

Appareil de lancement pour un projectile relie a une ligne de vie ou similaire comprenant un tube de lancement (2) en communication avec une source d'air comprime par l'intermediaire d'une vanne principale a mouvement rapide Un reservoir (1) d'air comprime est en communication avec le tube de lancement. La vanne principale (6, 6a) est disposee entre le reservoir (1) et le tube de lancement (2) et presente une section de debit importante. La vanne (6, 6a) est actionnee en position ouverte par un servo-mecanisme entraine par pression qui consiste en un cylindre (8) et en un piston (10) qui est relie a la vanne principale (6, 6a). Des admissions (27, 17) pour l'air comprime dans l'espace (19) du cylindre derriere le piston (10) sont prevues, une vanne a fonctionnement manuel dans la position de repos conservant l'admission (17) ouverte. Derriere le piston (10) est dispose un ressort de compression qui pousse le piston (10) et par consequent la vanne principale en position fermee. La vanne a fonctionnement manuel presente un passage de drainage (18, 21) depuis l'espace cylindrique (19) vers l'arriere du piston (10) qui est ouvert lorsque la vanne manuelle est actionnee, alors qu'en meme temps l'admission (17, 27) est fermee, de telle sorte que la pression derriere le piston (10) s'annule et que le piston (10) soit rappele vers l'arriere, la face frontale de ce piston etant exposee a l'air comprime du reservoir (1) Un projectile pour l'appareil de lancement de ligne de vie, en particulier pour un appareil de lancement a air, presente un compartiment ouvert vers l'arriere (33) dans le projectile destine a recevoir et contenant la longueur necessaire de ligne (31). La ligne est disposee a l'interieur du compartiment (33) en boucles disposees de l'avant vers l'arriere, en couches superposees, dans le compartiment. Le compartiment peut etre ferme au moyen d'un couvercle facilement amovible, afin d'empecher l'air sous-pression de penetrer dans le compartiment (33) lorsque le projectile est lance. Un appareil permettant de
PCT/NO1981/000018 1980-12-02 1981-05-15 Appareil de lancement pour un projectile relie a une ligne de vie ou similaire WO1982001860A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8181901218T DE3171565D1 (en) 1980-12-02 1981-05-15 Launching apparatus for discharging a projectile connected to a lifeline or the like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO803641A NO147319C (no) 1980-12-02 1980-12-02 Anordning ved prosjektil for utskytningsapparat for redningsline samt apparat for innlegging av line i prosjektilet
NO803641801202 1980-12-02

Publications (1)

Publication Number Publication Date
WO1982001860A1 true WO1982001860A1 (fr) 1982-06-10

Family

ID=19885778

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO1981/000018 WO1982001860A1 (fr) 1980-12-02 1981-05-15 Appareil de lancement pour un projectile relie a une ligne de vie ou similaire

Country Status (4)

Country Link
EP (1) EP0065946B1 (fr)
JP (1) JPS645240B2 (fr)
NO (1) NO147319C (fr)
WO (1) WO1982001860A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799907A (en) * 1987-02-03 1989-01-24 Conax Florida Corporation Survival apparatus
US5174384A (en) * 1990-10-02 1992-12-29 Herman Walter W Transport unit for fluid or solid materials or devices, and method
DE4313638A1 (de) * 1993-04-27 1994-11-03 Heinrich Albert Fa Vorrichtung zum Herstellen einer Schleppverbindung zwischen einem Schiff und einem Schlepper
US5450839A (en) * 1992-09-23 1995-09-19 Nicolaevich; Isakov S. Pneumatic launcher
WO1998054539A1 (fr) * 1997-05-27 1998-12-03 Marine Lifeline (Uk) Limited Appareil de lancement et projectile
USRE36965E (en) * 1995-09-06 2000-11-21 Rescue Solutions International Self-propelled rescue apparatus
WO2015011437A2 (fr) 2013-07-24 2015-01-29 Bcb International Limited Canon à air et cartouche de lancement associée pour système de ligne d'entrave d'hélice
LU100156B1 (de) * 2017-03-31 2018-10-01 Mobilshop GmbH Vorrichtung und Verfahren zum pneumatischen oder gasförmigen Katapultieren von losen Gegenständen sowie Herstellungsverfahren hierfür
NO343541B1 (en) * 2017-11-23 2019-04-01 Restech Norway As Launching apparatus for discharghing a projectile
CN110758682A (zh) * 2019-11-08 2020-02-07 义乌哒林船舶有限公司 一种船舶紧急救援升降设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113525630A (zh) * 2021-06-18 2021-10-22 嘉兴市荣盛救生设备有限公司 一种救生抛绳设备及其底部支撑装置

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE206154C (fr) *
US1072969A (en) * 1913-04-25 1913-09-09 Benjamin F Mccreary Means for carrying life-lines.
US1299901A (en) * 1917-04-13 1919-04-08 Benjamin L Blair Air-gun.
GB1321893A (en) * 1970-07-17 1973-07-04 Flight Refueling Ltd Projectile for line projecting gun
FR2241047A1 (fr) * 1973-08-15 1975-03-14 Harris William
DE2520101A1 (de) * 1974-05-07 1975-11-20 Technip Cie Verfahren und vorrichtung zur erzeugung, lagerung, modulierung und verteilung von energie
FR2288947A1 (fr) * 1974-10-21 1976-05-21 Monfray Benoit Procede et installation de stockage calorifique
AT335671B (de) * 1974-12-20 1977-03-25 Interliz Anstalt Regeleinrichtung fur eine warmepumpe
SE399761B (sv) * 1975-02-14 1978-02-27 Lundin Nils Berggrundslagring av verme
GB1536672A (en) * 1976-02-12 1978-12-20 Secr Defence Conduit sleeving
SE408087B (sv) * 1977-09-26 1979-05-14 Platell Ove Bertil Sett att i en markkropp lagra termisk energi
SE408470B (sv) * 1978-03-21 1979-06-11 Sunroc Energy Sett att lagra termisk energi i ett marklager
AT351708B (de) * 1974-11-27 1979-08-10 Eichsteininger Franz Einrichtung zur speicherung von aus sonnen- energie gewonnener waerme oder industrieller abwaerme in oberflaechennahen erdbodenzonen

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE206154C (fr) *
US1072969A (en) * 1913-04-25 1913-09-09 Benjamin F Mccreary Means for carrying life-lines.
US1299901A (en) * 1917-04-13 1919-04-08 Benjamin L Blair Air-gun.
GB1321893A (en) * 1970-07-17 1973-07-04 Flight Refueling Ltd Projectile for line projecting gun
FR2241047A1 (fr) * 1973-08-15 1975-03-14 Harris William
DE2520101A1 (de) * 1974-05-07 1975-11-20 Technip Cie Verfahren und vorrichtung zur erzeugung, lagerung, modulierung und verteilung von energie
FR2288947A1 (fr) * 1974-10-21 1976-05-21 Monfray Benoit Procede et installation de stockage calorifique
AT351708B (de) * 1974-11-27 1979-08-10 Eichsteininger Franz Einrichtung zur speicherung von aus sonnen- energie gewonnener waerme oder industrieller abwaerme in oberflaechennahen erdbodenzonen
AT335671B (de) * 1974-12-20 1977-03-25 Interliz Anstalt Regeleinrichtung fur eine warmepumpe
SE399761B (sv) * 1975-02-14 1978-02-27 Lundin Nils Berggrundslagring av verme
GB1536672A (en) * 1976-02-12 1978-12-20 Secr Defence Conduit sleeving
SE408087B (sv) * 1977-09-26 1979-05-14 Platell Ove Bertil Sett att i en markkropp lagra termisk energi
SE408470B (sv) * 1978-03-21 1979-06-11 Sunroc Energy Sett att lagra termisk energi i ett marklager

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799907A (en) * 1987-02-03 1989-01-24 Conax Florida Corporation Survival apparatus
US5174384A (en) * 1990-10-02 1992-12-29 Herman Walter W Transport unit for fluid or solid materials or devices, and method
US5450839A (en) * 1992-09-23 1995-09-19 Nicolaevich; Isakov S. Pneumatic launcher
DE4313638A1 (de) * 1993-04-27 1994-11-03 Heinrich Albert Fa Vorrichtung zum Herstellen einer Schleppverbindung zwischen einem Schiff und einem Schlepper
USRE36965E (en) * 1995-09-06 2000-11-21 Rescue Solutions International Self-propelled rescue apparatus
WO1998054539A1 (fr) * 1997-05-27 1998-12-03 Marine Lifeline (Uk) Limited Appareil de lancement et projectile
WO2015011437A2 (fr) 2013-07-24 2015-01-29 Bcb International Limited Canon à air et cartouche de lancement associée pour système de ligne d'entrave d'hélice
US10030943B2 (en) 2013-07-24 2018-07-24 Bcb International Limited Air cannon and associated launch canister for a line-fouling system
USRE48356E1 (en) 2013-07-24 2020-12-15 Bcb International Limited Air cannon and associated launch canister for a line-fouling system
LU100156B1 (de) * 2017-03-31 2018-10-01 Mobilshop GmbH Vorrichtung und Verfahren zum pneumatischen oder gasförmigen Katapultieren von losen Gegenständen sowie Herstellungsverfahren hierfür
EP3382319A1 (fr) * 2017-03-31 2018-10-03 Mobilshop GmbH Dispositif et procédé de catapultage pneumatique ou gazeux d'objets en vrac ainsi que procédé de fabrication
NO343541B1 (en) * 2017-11-23 2019-04-01 Restech Norway As Launching apparatus for discharghing a projectile
NO20171873A1 (en) * 2017-11-23 2019-04-01 Restech Norway As Launching apparatus for discharghing a projectile
WO2019101682A1 (fr) 2017-11-23 2019-05-31 Restech Norway As Appareil de lancement servant à décharger un projectile
CN110758682A (zh) * 2019-11-08 2020-02-07 义乌哒林船舶有限公司 一种船舶紧急救援升降设备

Also Published As

Publication number Publication date
JPS57501970A (fr) 1982-11-04
EP0065946A1 (fr) 1982-12-08
NO147319B (no) 1982-12-06
NO147319C (no) 1983-03-16
JPS645240B2 (fr) 1989-01-30
NO803641L (no) 1982-06-03
EP0065946B1 (fr) 1985-07-31

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