EP0455980B1 - Seemarkierer für Notanflugverfahren von Bordflugzeugen von Schiffen - Google Patents

Seemarkierer für Notanflugverfahren von Bordflugzeugen von Schiffen Download PDF

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Publication number
EP0455980B1
EP0455980B1 EP91104937A EP91104937A EP0455980B1 EP 0455980 B1 EP0455980 B1 EP 0455980B1 EP 91104937 A EP91104937 A EP 91104937A EP 91104937 A EP91104937 A EP 91104937A EP 0455980 B1 EP0455980 B1 EP 0455980B1
Authority
EP
European Patent Office
Prior art keywords
tube
marker according
sea marker
charge
sea
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 - Lifetime
Application number
EP91104937A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0455980A2 (de
EP0455980A3 (en
Inventor
Daniel Krämer
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.)
Piepenbrock Pyrotechnik GmbH
Original Assignee
Piepenbrock Pyrotechnik GmbH
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 Piepenbrock Pyrotechnik GmbH filed Critical Piepenbrock Pyrotechnik GmbH
Publication of EP0455980A2 publication Critical patent/EP0455980A2/de
Publication of EP0455980A3 publication Critical patent/EP0455980A3/de
Application granted granted Critical
Publication of EP0455980B1 publication Critical patent/EP0455980B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B22/00—Buoys
    • B63B22/16—Buoys specially adapted for marking a navigational route
    • B63B22/166—Buoys specially adapted for marking a navigational route comprising a light
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
    • C06B33/04—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being an inorganic nitrogen-oxygen salt
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C15/00—Pyrophoric compositions; Flints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00—Signalling devices
    • B63B2201/04—Illuminating
    • B63B2201/06—Illuminating by combustion of fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00—Signals and indicators
    • Y10S116/40—Flare devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00—Signals and indicators
    • Y10S116/43—Navigation devices

Definitions

  • the present invention relates to a nautical marker for emergency approach procedures for on-board aircraft of ships.
  • Such nautical markers are thrown into the sea by ships in poor visibility conditions in order to facilitate the approach and landing of the aircraft, in particular the on-board helicopter. They consist of a tube with a float and a pyrotechnic unit arranged in the tube, which emit a light signal for several minutes when it burns.
  • Conventional nautical markers have the disadvantage that the material of the tube had to be chosen so that it also burns due to the high temperatures generated when the light set burns, which on the one hand presupposes the construction of the float below the tube but on the other hand negatively affects the reliability of the burning process .
  • the pyrotechnic charge is ignited by a blow detonator at the head.
  • the present invention has therefore set itself the task of developing such a nautical marker that is simple in construction with increased light output enables the pipe not to burn, which is also reliable in handling and stable in storage.
  • such a light set can be made from a pipe that does not burn off, e.g. made of sheet steel, without loss of luminosity, but burn with increased light output, even though the burn-off front constantly faces the floor, i.e. away from the muzzle at the head.
  • the light set according to the invention is an intermediate set of 40-80% by weight barium nitrate, 1-10% by weight sulfur, 1-10% by weight charcoal and 1-5% by weight.
  • % Powdery black powder is superimposed, on which an accentuation of 50 to 70% barium chromate and 10-20% potassium perchlorate and 20-30% zircon / nickel is arranged, the latter being ignited by the detonator.
  • the known percussion fuse is only applied to the tube shortly before use. It contains a delay so that once activated, the marker can be deployed into the sea by hand. When igniting and igniting on intermediate set and light set, a considerable one arises Gas pressure, which can cause the marker to burn off under strong pressure and the lid and detonator to be thrown upwards.
  • a plastic cap into which the detonator can be screwed in the center and which is provided with holes from which the gas excess pressure can escape.
  • the latter are covered with lead / tin foil to ensure water and water vapor tightness. The cap burns under the influence of the hot burn-up flame, the detonator is easily ejected and the upper tube opening is exposed for the exit of the marking fire.
  • the primer is cast and cured on a perforated disc that is held on the inner wall of the tube by a locking ring.
  • the primer is premixed with a binder, preferably with polychlorobutadiene.
  • a binder preferably with polychlorobutadiene.
  • the primer on the perforated disc develops exactly the gas pressure that is necessary to open the holes in the plastic cover without water being able to penetrate the marker.
  • the device is therefore also functional under water.
  • preferably between the set and the light set are compacted with a proportion of 1-8% by weight of binder, for which purpose, in particular, solvent-free polyurethane adhesives can be used, which on the one hand facilitate the production as pressed material and on the other hand make the burn-up more uniform.
  • the intermediate set it is proposed to add 1 to 10% by weight of 2-component black powder (potassium nitrate with charcoal) in order to improve the reproducibility, the ignition and the rate of combustion.
  • 2-component black powder potassium nitrate with charcoal
  • the nautical marker can be constructed in a particularly simple manner. It essentially consists of a tube that contains the pyrotechnic set, which is surrounded by the float in the form of a jacket.
  • the jacket preferably has at least one lower and one upper bore, which are designed such that the floating body is flooded with seawater to the extent that it loses mass due to the combustion of the pyrotechnic charge, and then sinks.
  • the nautical marker consists of a tube 1, the upper part of which is surrounded by a hollow jacket, the floating body 2. The latter is pushed onto the pipe 1 and welded to it via its sleeves 3, 6, for example. Both parts can be made of sheet steel. At the lower part of the tube there is a trim weight 4, which holds the marker in a vertical position. In the tube 1 there is the light set 5, which is ignited via an intermediate set 7 arranged thereon.
  • the intermediate block has the task of a time delay for opening the head of the marker, which is closed with a plastic cap 8.
  • the intermediate set 7 itself is ignited by a firing 9, which is prefabricated as a cast body in a perforated disc 10 and placed on the intermediate set 7.
  • the perforated disc 10 is secured by a resilient locking ring 11.
  • the inner tube wall is coated, preferably with vinyl acetate, which results overall in a very simple manner a high level of security against impact and shock.
  • intermediate set 7 and light set 5 are fitted or pressed into the tube 1 as cylindrical shaped bodies.
  • the plastic cap 8 has holes 12 which can be covered by lead / tin foil in order to protect the tube contents from splash water before being burned up.
  • a known percussion detonator 13 is inserted, which ignites the fire with a delay of 3.5 seconds after the fuse has been broken.
  • the hot gases first escape through the holes 12 to avoid excess pressure and then burn the plastic cap and expel the detonator relatively gently.
  • the blow detonator 13 is screwed into the plastic cap 8 shortly before use of the nautical marker.
  • the plastic cap is closed with a protective hood 14, as shown in Figure B.
  • the firing 9 is produced by mixing the components with a hardening binder, preferably using Aerosil (trademark of DEGUSSA), which is poured onto the hole of the perforated disk in a highly viscous manner in order to harden there, after which the assembly takes place.
  • composition is given below:
  • a polychlorobutadiene adhesive (Macroplast, trademark HENKEL) was used as the binder.
  • Microthene was used as the polyolefin resin.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ocean & Marine Engineering (AREA)
  • Materials Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Tires In General (AREA)
  • Audible And Visible Signals (AREA)
  • Toys (AREA)
  • Traffic Control Systems (AREA)
  • Emergency Lowering Means (AREA)
  • Alarm Systems (AREA)
EP91104937A 1990-04-27 1991-03-28 Seemarkierer für Notanflugverfahren von Bordflugzeugen von Schiffen Expired - Lifetime EP0455980B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013516 1990-04-27
DE4013516A DE4013516A1 (de) 1990-04-27 1990-04-27 Seemarkierer fuer notanflugverfahren von bordflugzeugen von schiffen

Publications (3)

Publication Number Publication Date
EP0455980A2 EP0455980A2 (de) 1991-11-13
EP0455980A3 EP0455980A3 (en) 1992-04-08
EP0455980B1 true EP0455980B1 (de) 1994-03-09

Family

ID=6405249

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104937A Expired - Lifetime EP0455980B1 (de) 1990-04-27 1991-03-28 Seemarkierer für Notanflugverfahren von Bordflugzeugen von Schiffen

Country Status (8)

Country Link
US (1) US5144906A (da)
EP (1) EP0455980B1 (da)
JP (1) JPH04228391A (da)
AT (1) ATE102594T1 (da)
CA (1) CA2040565A1 (da)
DE (2) DE4013516A1 (da)
DK (1) DK0455980T3 (da)
ES (1) ES2051041T3 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011103482A1 (de) * 2011-06-03 2012-12-06 Diehl Bgt Defence Gmbh & Co. Kg Hochleistungswirkmasse für ein beim Abbrand spektral strahlendes Infrarotscheinziel
DE102011103483A1 (de) * 2011-06-03 2012-12-06 Diehl Bgt Defence Gmbh & Co. Kg Wirkmasse für ein beim Abbrand spektral strahlendes Infrarotscheinziel mit Raumwirkung
RU2552551C9 (ru) * 2014-02-05 2016-12-27 Открытое акционерное общество "Федеральный научно-производственный центр "Научно-исследовательский институт прикладной химии" Пиротехнический осветительный состав
CN109018347B (zh) * 2018-08-08 2024-05-03 星逻人工智能技术(上海)有限公司 一种室内无人机起、降、充电系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA693479A (en) * 1964-09-01 Waeco Limited Pyrotechnic device
US2119697A (en) * 1935-08-13 1938-06-07 Victory Fireworks And Specialt Float light
DE670713C (de) * 1936-01-11 1939-01-23 I G Farbenindustrie Akt Ges Feuerwerkskoerper fuer Signalmunition
US2263585A (en) * 1938-06-07 1941-11-25 Harry H Moore Float light and smoke bomb
US2978716A (en) * 1944-10-24 1961-04-11 Leonard D Jackson Smoke float
GB678751A (en) * 1950-04-28 1952-09-10 Conrad David Schermuly Improvements in water-borne flare devices
US2789501A (en) * 1953-05-04 1957-04-23 Joseph S Sawicki Flare buoy
SE345845B (da) * 1964-01-29 1972-06-12 Bofors Ab
DE1646283C3 (de) * 1967-09-13 1974-02-14 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Sprengstofformkörpern hoher Festigkeit mit wählbarer definierter Detonationsgeschwindigkeit
GB1284499A (en) * 1970-03-26 1972-08-09 Pains Wessex Ltd Improvements in and relating to pyrotechnic light-producing compositions
US3762327A (en) * 1970-05-04 1973-10-02 Pains Wessex Ltd Pyrotechnic devices
US3680483A (en) * 1970-10-06 1972-08-01 Dow Chemical Co Annular flare grains
US3759216A (en) * 1970-12-04 1973-09-18 Northrop Carolina Inc Smoke flare signalling and marking device
US3804021A (en) * 1972-01-19 1974-04-16 Girr R Mc Device for firing multiple cartridges in a time sequence
US4128443A (en) * 1975-07-24 1978-12-05 Pawlak Daniel E Deflagrating propellant compositions
CA1064333A (en) * 1976-11-30 1979-10-16 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Scuttling method for marine markers
DE2747163A1 (de) * 1977-10-20 1979-04-26 Dynamit Nobel Ag Elektrisches anzuendelement

Also Published As

Publication number Publication date
CA2040565A1 (en) 1991-10-28
EP0455980A2 (de) 1991-11-13
JPH04228391A (ja) 1992-08-18
ES2051041T3 (es) 1994-06-01
DE59101127D1 (de) 1994-04-14
EP0455980A3 (en) 1992-04-08
DE4013516A1 (de) 1991-10-31
DK0455980T3 (da) 1994-04-05
ATE102594T1 (de) 1994-03-15
US5144906A (en) 1992-09-08

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