EP0791164B1 - Smoke hand grenade - Google Patents

Smoke hand grenade Download PDF

Info

Publication number
EP0791164B1
EP0791164B1 EP95937226A EP95937226A EP0791164B1 EP 0791164 B1 EP0791164 B1 EP 0791164B1 EP 95937226 A EP95937226 A EP 95937226A EP 95937226 A EP95937226 A EP 95937226A EP 0791164 B1 EP0791164 B1 EP 0791164B1
Authority
EP
European Patent Office
Prior art keywords
smoke
charge
arrangement
canister
bursting
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
EP95937226A
Other languages
German (de)
French (fr)
Other versions
EP0791164A1 (en
Inventor
Erik A. Wulvik
Odd Halsnes
Lisbeth S. Jakobsen
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.)
Forsvarets Forskningsinstitutt
Original Assignee
Forsvarets Forskningsinstitutt
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 Forsvarets Forskningsinstitutt filed Critical Forsvarets Forskningsinstitutt
Publication of EP0791164A1 publication Critical patent/EP0791164A1/en
Application granted granted Critical
Publication of EP0791164B1 publication Critical patent/EP0791164B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36Projectiles, 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
    • F42B12/46Projectiles, 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 gases, vapours, powders or chemically-reactive substances
    • F42B12/48Projectiles, 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 gases, vapours, powders or chemically-reactive substances smoke-producing, e.g. infrared clouds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B27/00Hand grenades
    • F42B27/08Hand grenades with handle

Definitions

  • the present invention relates to an arrangement for spontaneously establishing a smoke screen specifically for self screening of the individual soldier. More specifically, the invention relates to an arrangement in a smoke hand grenade comprising a container which per se holds a liquid smoke material.
  • the present invention is developed in connection with rapid self screening of the visible and proximity infrared spectral range of a soldier in a critical combat situation.
  • GB-A-1 149 982 discloses a shell comprising inter alia a metal casing wherein a liquid smoke material is absorbed in a powder (calcium silicate, neutral) and is located in the cavity of the grenade.
  • the suggested subject matter of the invention is a hand grenade in PCDF (plastics).
  • PCDF plastics
  • the liquid smoke which is in its own room in the grenade, will react with the moisture of the air after the bursting and emit hydrochloric acid as a by-product.
  • An object of the present invention is aiming for providing a rapidly functioning smoke hand grenade which is substantially less poisonous than present smoke hand grenades based on zink chloride smoke (ZnCl 2 ) (HC-smoke).
  • the smoke material according to the present invention is titanium tetrachloride (TiCl 4 abbreviated TTC).
  • TiCl 4 abbreviated TTC
  • the toxicity of smoke based on hydrolyse of TiCl 4 is very low. If one anticipates that mortal concentration of ZnCl 2 -smoke is C D , one will even with a TiCl 4 smoke concentration which is 5 x C D , only find minor harmless changes in the lung tissue (ref Karlsson et al., 1986, Archives of Toxicology).
  • the smoke grenade is to be favourable for the environment, i.e. it should in sum not be specifically pollution and acid promotional on the environment.
  • This objective is achieved by including calcium powder in the smoke canister in a stoichiometric relation of the hydrochloric acid which is given off by hydrolyse of TTC during the generation of smoke.
  • the total reaction is: 2CaCO 3 +TiCl 4 ⁇ 2CaCl 2 +TiO2+2CO 2
  • the reaction products calcium chloride (CaCl 2 ) and titanium dioxide (TiO 2 ) are compounds which do not have a negative influence on the natural environment.
  • a preferred aspect of the invention is that the calsium layer in the container around the inner compartment containing the liquid smoke, will neutralize the liquid smoke which diffuse through the plastics out from the inner container. Without this layer which thereby is quite substantial for the grenade, the liquid smoke/hydrochloric acid would be released and would influence the environment in the storage. More than 10-15 years in a stand-by storage would involve unacceptable corrosion of other storage material.
  • the firing mechanism of the grenade could be replaced by a metal insert equipped with a blasting cap and an ejector charge, so that the smoke canister can be fired from an appropriate discharge pipe, for example for screening battle field vehicles.
  • Fig. 1 is a view partly in section of a smoke hand grenade, standard version, according to the invention.
  • Fig. 2 is a view partly in section of an alternative construction of the smoke grenade according to the invention.
  • Fig. 3 is a section through a smoke canister which by removing the bottom plug (B) in standard version or in alternative version of the smoke hand grenade, can extend the screening time for the smoke hand grenade by letting the canister remain on the ground and give off smoke in approximately 20 seconds after the instantaneous part (Fig. 1 or Fig. 2) has burst and given off smoke.
  • Fig. 4 is a section through a module which can replace the ignition mechanism for the hand grenade by being screwed thereinto in a simple manner, and thereby transfer the smoke hand grenade to a smoke ammunition which can be fired from an appropriate discharge pipe.
  • a hand grenade in a known manner by holding the same in the right hand, whereafter the pulling ring 1 with the safety bolt 2 is pulled out and the grenade is thrown.
  • a spring loaded striking arm having an ignition pin will strike against a blasting cap which ignite a delay charge which when being burned out (approximately 3 seconds) thereafter will fire the bursting charge 7 in the centre pipe, whereby the canister is burst and scatters the smoke material 9 and the acid neutralizing material 8. This will be scattered on the ground under the bursting point and will neutralize the hydrochloric acid from the liquid smoke falling on the ground.
  • Fig. 2 there is illustrated part of a section through a variant of the smoke hand grenade, the latter comprising an outer pipe and a centre pipe including a container of shatter-proof glass which is arranged around the centre pipe, and which contains the liquid smoke, and wherein the acid neutralizing material fills up around the glass container.
  • the glass container and the canister is broken by the pressure from the busting charge when this is fired, for thereby scattering smoke and the acid neutralizing component.
  • Fig. 3 illustrates a section through a smoke canister which the smoke hand grenade according to Fig. 1 and Fig. 2 can be equipped with, by removing the plug 12 and screwing the attachment plug 17 into the bottom.
  • the bursting charge will be fired in the trajectory and the heat from the charge will fire the ignition conveyor in the attachment plug 17, which immediately will send a flame tongue into the ignition charge 21, which for example can be a thermite mixture, and which burns through the sleeve around the ignition charge and fires the surface of the smoke charge, preferably as a pyrotechnical charge, whereby the smoke gas escapes through the smoke channels 20 in the the charge and out through the holes 22 in the bottom of the canister.
  • the canister will lay on the ground and burn whilst continuously releasing smoke in 20-30 seconds.
  • Fig. 4 illustrates an insert or module which can be screwed into the smoke hand grenade instead of the ignition mechanism 3, whereby the canister can be fired from its own discharge pipe eqipped with a centre blasting bolt and an inner diameter which is adapted to the canister.
  • the field of application can be training smoke for armoured vehicles wherein the original pipes for discharging smoke are equipped with insert pipes which have been adapted to the modified smoke hand grenade.
  • the pipes are firstly loaded and thereafter fired from the vehicles by pressing the discharge button for the smoke, whereby through a not specified reacation chain, the blasting bolt in the insert pipe will strike against the blasting cap 23 which ignites the conveyor 24 which in turn fires the ejector charge 26, whereby the hot combustion gases blow out through the holes 25 in the rear element and eject the canister, at the same time as the heat from the combustion also will ignite the delay unit 27 which after approximately 1 second will fire the bursting charge 28 so that the canister is bursting in the air as previously described, for generating an instantaneous, environment favourable smoke screen approximately 20 metres from the vehicle.
  • the smoke material in the previously discussed smoke hand grenades or canisters is titanium tetrachloride TiCl 4 .
  • the acid neutralizing material can be calcium CaCO 3 , ammonia (30-35%) in water or an alifatic amine or some other acid neutralizing compound.
  • the titanium tetrachloride can be present as a liquid phase, this liquid by contacting the moisture of the air spontaneously reacting for generation of white smoke.
  • the heat dissipation by this reaction is relatively small. Consequently, there exists no danger for putting the vegitation on fire by using this smoke material, if the smoke canister of Fig. 3 is not attached to the smoke hand grenade.
  • a pyrotechnical smoke charge In a canister dissipating smoke from the ground there will preferably be used a pyrotechnical smoke charge. This can give off TTC smoke or HC smoke if one reduces the requirement regarding toxicity.
  • the elements of the smoke hand grenade can appropriately be injection moulded plastics material (for example PV-DF).
  • the bottom including pipe can be injection moulded in one member and the lid in a second member.
  • the lid can appropriately be added to said first member by ultra sonic welding, see Fig. 1, reference numeral 8.
  • the shatter-proof, double-walled glass container illustrated in Fig. 2 can easily be manufactured by letting the glass pipe which is to constitute the wall towards the centre pipe of the container, be arranged in a second glass pipe having a diameter corresponding to the outer diameter of the glass container, whereafter the pipes are welded against each other at the ends thereof, with a successive curing. Thereafter, there is attached a smaller inlet pipe by welding, which after filling of TTC is closed by fusing.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Emergency Lowering Means (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Window Of Vehicle (AREA)

Abstract

The present invention relates to an arrangement in a smoke hand grenade, and for the objective of achieving an instantaneous creation of a smoke screen, specifically for self screening of an individual soldier, there is according to the invention suggested a container holding a liquid smoke material (9a) separated from a composition (8a) which after bursting neutralizes the acid by-products being formed after the liquid has reacted with the air moisture whilst emitting smoke.

Description

    Field of the invention
  • The present invention relates to an arrangement for spontaneously establishing a smoke screen specifically for self screening of the individual soldier. More specifically, the invention relates to an arrangement in a smoke hand grenade comprising a container which per se holds a liquid smoke material.
  • Background of the invention
  • The present invention is developed in connection with rapid self screening of the visible and proximity infrared spectral range of a soldier in a critical combat situation.
  • Existing smoke hand grenades are based on combustion of a pyrotechnical composition for generating a relatively toxic smoke which substantially comprises zink chloride. By unprofessional use of this smoke deaths have occured. Several userlands within NATO have therefore a desire to exchange this type of smoke when a smoke can be provided which is less poisonous and preferably just as effective. It is expected that the smoke thus will not comply with the environment requirements to which smoke ammunition will be subjected in the future. Further, this type of smoke has a limited application during training in dry vegetation since it can cause fire.
  • Prior Art
  • GB-A-1 149 982 (preamble of claim 1) discloses a shell comprising inter alia a metal casing wherein a liquid smoke material is absorbed in a powder (calcium silicate, neutral) and is located in the cavity of the grenade.
  • In a training field with extensive use of smoke grenades this will imply that the environment will be subjected to unwanted large stress. This is not in compliance with today's user requirements. The grenade according to said GB publication will generate an environment hostile smoke as the powder into which the liquid smoke has been absorbed, is scattered on the ground onto which the grenade lands, which will render acidic fallout which cannot be neutralized. Consequently, this principle will today not be applicable in a novel smoke grenade for the army.
  • The suggested subject matter of the invention is a hand grenade in PCDF (plastics). The liquid smoke which is in its own room in the grenade, will react with the moisture of the air after the bursting and emit hydrochloric acid as a by-product. In order to neutralize this there is in its own, separate compartment around the inner container, located for example Dolomite, Ca Mg(Co3)2 (the same material which is used for example for neutralizing acid in percipitation (fishing waters)). This powder will be scattered on the ground after the bursting and neutralize the liquid smoke which falls out in the area around the bursting point.
  • Brief disclosure of the invention
  • An object of the present invention is aiming for providing a rapidly functioning smoke hand grenade which is substantially less poisonous than present smoke hand grenades based on zink chloride smoke (ZnCl2) (HC-smoke). The smoke material according to the present invention is titanium tetrachloride (TiCl4 abbreviated TTC). Besides, the toxicity of smoke based on hydrolyse of TiCl4 is very low. If one anticipates that mortal concentration of ZnCl2-smoke is CD, one will even with a TiCl4 smoke concentration which is 5 x CD, only find minor harmless changes in the lung tissue (ref Karlsson et al., 1986, Archives of Toxicology).
  • Further, the smoke grenade is to be favourable for the environment, i.e. it should in sum not be specifically pollution and acid promotional on the environment. This objective is achieved by including calcium powder in the smoke canister in a stoichiometric relation of the hydrochloric acid which is given off by hydrolyse of TTC during the generation of smoke. The total reaction is: 2CaCO3+TiCl4→2CaCl2+TiO2+2CO2
  • The reaction products calcium chloride (CaCl2) and titanium dioxide (TiO2) are compounds which do not have a negative influence on the natural environment.
  • A preferred aspect of the invention is that the calsium layer in the container around the inner compartment containing the liquid smoke, will neutralize the liquid smoke which diffuse through the plastics out from the inner container. Without this layer which thereby is quite substantial for the grenade, the liquid smoke/hydrochloric acid would be released and would influence the environment in the storage. More than 10-15 years in a stand-by storage would involve unacceptable corrosion of other storage material.
  • Contrary to mixing liquid and powder, as suggested by the prior art, it is according to a preferred aspect of the invention suggested to hold the liquid smoke in a separate inner chamber, a fact which renders substantial advantages compared with the prior art, both as regards storage and use.
  • Possibly, the firing mechanism of the grenade could be replaced by a metal insert equipped with a blasting cap and an ejector charge, so that the smoke canister can be fired from an appropriate discharge pipe, for example for screening battle field vehicles.
  • Brief description of the drawings
  • Fig. 1 is a view partly in section of a smoke hand grenade, standard version, according to the invention.
  • Fig. 2 is a view partly in section of an alternative construction of the smoke grenade according to the invention.
  • Fig. 3 is a section through a smoke canister which by removing the bottom plug (B) in standard version or in alternative version of the smoke hand grenade, can extend the screening time for the smoke hand grenade by letting the canister remain on the ground and give off smoke in approximately 20 seconds after the instantaneous part (Fig. 1 or Fig. 2) has burst and given off smoke.
  • Fig. 4 is a section through a module which can replace the ignition mechanism for the hand grenade by being screwed thereinto in a simple manner, and thereby transfer the smoke hand grenade to a smoke ammunition which can be fired from an appropriate discharge pipe.
  • Detailed description of embodiments
  • As appearing from Fig. 1 there is used a hand grenade in a known manner by holding the same in the right hand, whereafter the pulling ring 1 with the safety bolt 2 is pulled out and the grenade is thrown. A spring loaded striking arm having an ignition pin will strike against a blasting cap which ignite a delay charge which when being burned out (approximately 3 seconds) thereafter will fire the bursting charge 7 in the centre pipe, whereby the canister is burst and scatters the smoke material 9 and the acid neutralizing material 8. This will be scattered on the ground under the bursting point and will neutralize the hydrochloric acid from the liquid smoke falling on the ground.
  • In Fig. 2 there is illustrated part of a section through a variant of the smoke hand grenade, the latter comprising an outer pipe and a centre pipe including a container of shatter-proof glass which is arranged around the centre pipe, and which contains the liquid smoke, and wherein the acid neutralizing material fills up around the glass container. By reaction in the trajectory the glass container and the canister is broken by the pressure from the busting charge when this is fired, for thereby scattering smoke and the acid neutralizing component.
  • Fig. 3 illustrates a section through a smoke canister which the smoke hand grenade according to Fig. 1 and Fig. 2 can be equipped with, by removing the plug 12 and screwing the attachment plug 17 into the bottom. Upon throwing, the bursting charge will be fired in the trajectory and the heat from the charge will fire the ignition conveyor in the attachment plug 17, which immediately will send a flame tongue into the ignition charge 21, which for example can be a thermite mixture, and which burns through the sleeve around the ignition charge and fires the surface of the smoke charge, preferably as a pyrotechnical charge, whereby the smoke gas escapes through the smoke channels 20 in the the charge and out through the holes 22 in the bottom of the canister. The canister will lay on the ground and burn whilst continuously releasing smoke in 20-30 seconds.
  • It will be up to the user to decide whether the canister according to Fig. 3 should be included in the smoke hand grenade in view of the increased price entailed therewith.
  • Fig. 4 illustrates an insert or module which can be screwed into the smoke hand grenade instead of the ignition mechanism 3, whereby the canister can be fired from its own discharge pipe eqipped with a centre blasting bolt and an inner diameter which is adapted to the canister. The field of application can be training smoke for armoured vehicles wherein the original pipes for discharging smoke are equipped with insert pipes which have been adapted to the modified smoke hand grenade.
  • Upon application the pipes are firstly loaded and thereafter fired from the vehicles by pressing the discharge button for the smoke, whereby through a not specified reacation chain, the blasting bolt in the insert pipe will strike against the blasting cap 23 which ignites the conveyor 24 which in turn fires the ejector charge 26, whereby the hot combustion gases blow out through the holes 25 in the rear element and eject the canister, at the same time as the heat from the combustion also will ignite the delay unit 27 which after approximately 1 second will fire the bursting charge 28 so that the canister is bursting in the air as previously described, for generating an instantaneous, environment favourable smoke screen approximately 20 metres from the vehicle. The smoke material in the previously discussed smoke hand grenades or canisters, is titanium tetrachloride TiCl4.
  • The acid neutralizing material can be calcium CaCO3, ammonia (30-35%) in water or an alifatic amine or some other acid neutralizing compound.
  • Preferably, the titanium tetrachloride can be present as a liquid phase, this liquid by contacting the moisture of the air spontaneously reacting for generation of white smoke. The heat dissipation by this reaction is relatively small. Consequently, there exists no danger for putting the vegitation on fire by using this smoke material, if the smoke canister of Fig. 3 is not attached to the smoke hand grenade.
  • In a canister dissipating smoke from the ground there will preferably be used a pyrotechnical smoke charge. This can give off TTC smoke or HC smoke if one reduces the requirement regarding toxicity.
  • The elements of the smoke hand grenade can appropriately be injection moulded plastics material (for example PV-DF). The bottom including pipe can be injection moulded in one member and the lid in a second member. The lid can appropriately be added to said first member by ultra sonic welding, see Fig. 1, reference numeral 8.
  • The shatter-proof, double-walled glass container illustrated in Fig. 2, can easily be manufactured by letting the glass pipe which is to constitute the wall towards the centre pipe of the container, be arranged in a second glass pipe having a diameter corresponding to the outer diameter of the glass container, whereafter the pipes are welded against each other at the ends thereof, with a successive curing. Thereafter, there is attached a smaller inlet pipe by welding, which after filling of TTC is closed by fusing.

Claims (9)

  1. Arrangement in a smoke hand grenade comprising a container which per se holds a liquid smoke material,
    characterized in that the container which holds the liquid smoke material (9a), is separated from a composition (8a) which after bursting neutralizes the acid by-products being formed after the liquid has reacted with the air moisture whilst emitting smoke.
  2. Arrangement as claimed in claim 1,
    characterized in that the container is constructed from three concentric pipes having lid and bottom and having a bursting charge (7) in the inner pipe, the liquid smoke in one of the compartments (9) and the acid neutralizing component in the second compartment (8).
  3. Arrangement as claimed in claim 1,
    characterized in that the grenade is constructed by an outer pipe (11) and a centre pipe (15) having bursting charge, there being around the centre pipe in the compartment between the outer pipe and the centre pipe provided a concentric glass container (12) having liquid smoke (13), the rest of the compartment (14) being filled up with the acid neutralizing material, through a bottom inlet (16).
  4. Arrangement as claimed in claim 2,
    characterized in that in the lid of the canister there is mounted an ignition mechanism for hand grenade (3) and which after ejection will fire, after a delay time, a bursting charge located in the centre pipe (7), whereby the canister is burst and the components scattered in the air.
  5. Arrangement as claimed in claims 2 and 3,
    characterized in that in the bottom of the container there is attached a metal canister comprising a pyrotechnical smoke charge (19).
  6. Arrangement as claimed in claim 5,
    characterized in that during the bursting of the container the flame tongue from the bursting charge will ignite a conveyer (17a) of the attachment plug, which ignites the adjacent blasting charge (21) in the metal canister for thereby firing the exposed surface of the pyrotechnical smoke charge, whereafter smoke and combustion products will escape through downwardly extending channels in the smoke charge (20) and out through holes in the bottom of the canister (22).
  7. Arrangement as claimed in claims 1, 2 and 3,
    characterized in that the hand grenade ignition mechanism (3) has been replaced with a metal member, wherein are provided a blasting cap (23), a powder charge (26), discharge holes for powder gases (25) and a black powder delay unit (27) being connected with the bursting charge (28) which is present in the centre pipe.
  8. Arrangement as claimed in claim 7,
    characterized in that the hand grenade is located in an appropriate pipe having an ignition bolt and being discharged by the ignition bolt which upon firing impinges into the blasting cap (23) in the metal rear member, which thereby expels a flame tongue into a black powder conveyor (24) which ignites the powder charge (26), whereby the canister is discharged from the pipe due to the gun powder gases escaping through the holes in the metal rear member and the bursting charge being fired through the black powder delay unit (27).
  9. Arrangement as claimed in claims 2 and 3,
    characterized in that the liquid smoke is titanium tetrachloride and the acid neutralizing component is calcium powder ammoniac (30-35%), or an alifatic amine or some other acid neutralizing compound, and that the canister is manufactured from polyvinylidenfluoride or some other type of plastics.
EP95937226A 1994-11-11 1995-11-01 Smoke hand grenade Expired - Lifetime EP0791164B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO19944305A NO180216B1 (en) 1994-11-11 1994-11-11 Device by smoke grenade
NO944305 1994-11-11
PCT/NO1995/000200 WO1996015421A1 (en) 1994-11-11 1995-11-01 Smoke hand grenade

Publications (2)

Publication Number Publication Date
EP0791164A1 EP0791164A1 (en) 1997-08-27
EP0791164B1 true EP0791164B1 (en) 2000-04-26

Family

ID=19897626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95937226A Expired - Lifetime EP0791164B1 (en) 1994-11-11 1995-11-01 Smoke hand grenade

Country Status (6)

Country Link
EP (1) EP0791164B1 (en)
AT (1) ATE192232T1 (en)
DE (1) DE69516536T2 (en)
DK (1) DK0791164T3 (en)
NO (1) NO180216B1 (en)
WO (1) WO1996015421A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11079208B2 (en) 2017-10-23 2021-08-03 Mecar, Société Anonyme Masking material and use of the material to mask a target and ammunition for disseminating such masking material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1396055B1 (en) * 2009-10-12 2012-11-09 Simad S P A ARTIFICATION FOR HAND LAUNCH WITH COLORED SMOKE EFFECT OR AS AN ALTERNATIVE TO LACRIMOGENO EFFECT AT GAS CS.
KR102020254B1 (en) * 2017-12-19 2019-09-18 휴먼스화공(주) Smoke grenade for training which move and belch out smoke

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB472089A (en) * 1935-11-06 1937-09-16 Ig Farbenindustrie Ag Improvements in or relating to smoke bombs or projectiles
SE300773B (en) * 1966-07-13 1968-05-06 Foersvarets Fabriksverk
SE413551B (en) * 1975-02-24 1980-06-02 Foerenade Fabriksverken smoke ammunition
NO142928C (en) * 1978-03-08 1980-11-12 Raufoss Ammunisjonsfabrikker ROEYKHAANDGRANAT.
DE3507643A1 (en) * 1985-03-05 1986-09-11 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau CARTRIDGED AMMUNITION
EP0274815A3 (en) * 1986-09-02 1988-08-10 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Projectile
NO171750C (en) * 1991-01-21 1993-04-28 Raufoss As DEVICE FOR ROEYK GRANATE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11079208B2 (en) 2017-10-23 2021-08-03 Mecar, Société Anonyme Masking material and use of the material to mask a target and ammunition for disseminating such masking material

Also Published As

Publication number Publication date
DE69516536T2 (en) 2000-09-14
DK0791164T3 (en) 2000-08-28
NO180216C (en) 1997-03-05
ATE192232T1 (en) 2000-05-15
NO180216B (en) 1996-11-25
WO1996015421A1 (en) 1996-05-23
DE69516536D1 (en) 2000-05-31
NO944305A (en) 1996-05-13
NO944305D0 (en) 1994-11-11
NO180216B1 (en) 1997-03-24
EP0791164A1 (en) 1997-08-27

Similar Documents

Publication Publication Date Title
US7866265B1 (en) Flare apparatus
CA2432050C (en) Infra-red emitting decoy flare
US7387073B2 (en) Explosive training device
US8568143B2 (en) Training barrel
US6612242B2 (en) Ammunition for smoke generation
US5700971A (en) Rapid-release smoke hand grenade
GB2032071A (en) Mob dispersal grenade
EP0791164B1 (en) Smoke hand grenade
US2737889A (en) Incendiary shell
GB2056632A (en) Smoke projectile
US3361066A (en) Practice shell
JP3939940B2 (en) Stun grenade
RU2398181C1 (en) Smoke grenade
CN211651398U (en) Gun-shot primary-secondary type detonation bomb
KR101939125B1 (en) Training field firing shell with functional smoke canister
RU2781590C1 (en) Hand smoke grenade
WO1990012268A1 (en) Smoke formation system
KR0123628Y1 (en) Fire missile
KR920004882Y1 (en) Safety tear gas bomb
EP0369922B1 (en) Smoke-producing projectile
KR200159122Y1 (en) A tear-gas bomb structure
KR920001167Y1 (en) Tear catridge
RU2272982C2 (en) Flame thrower
KR920007265Y1 (en) Tear gas bomb
RU2060442C1 (en) Cartridge of special mission

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19970514

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT CH DE DK FR GB LI SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19990511

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE DK FR GB LI SE

REF Corresponds to:

Ref document number: 192232

Country of ref document: AT

Date of ref document: 20000515

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69516536

Country of ref document: DE

Date of ref document: 20000531

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: FREI PATENTANWALTSBUERO

ET Fr: translation filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021102

GBPC Gb: european patent ceased through non-payment of renewal fee
EUG Se: european patent has lapsed
REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20030901

Year of fee payment: 9

REG Reference to a national code

Ref country code: DK

Ref legal event code: EGE

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: FR

Ref legal event code: RN

REG Reference to a national code

Ref country code: FR

Ref legal event code: FC

REG Reference to a national code

Ref country code: GB

Ref legal event code: 728V

REG Reference to a national code

Ref country code: GB

Ref legal event code: 728Y

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20071123

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20071015

Year of fee payment: 13

Ref country code: AT

Payment date: 20071126

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20071114

Year of fee payment: 13

Ref country code: FR

Payment date: 20071113

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080116

Year of fee payment: 13

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20081101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081101

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20090731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090603

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130