US3118379A - Fuze for a gyratory projectile - Google Patents

Fuze for a gyratory projectile Download PDF

Info

Publication number
US3118379A
US3118379A US3118379DA US3118379A US 3118379 A US3118379 A US 3118379A US 3118379D A US3118379D A US 3118379DA US 3118379 A US3118379 A US 3118379A
Authority
US
United States
Prior art keywords
detonator
carrier
compartment
fuze
projectile
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
Other languages
English (en)
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.)
Publication date
Application granted granted Critical
Publication of US3118379A publication Critical patent/US3118379A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C9/00—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition
    • F42C9/02—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means
    • F42C9/06—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means by flow of fluent material, e.g. shot, fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/003—Rigid pipes with a rectangular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/18—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved
    • F42C15/188—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/24—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
    • F42C15/26—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means using centrifugal force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/28—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids
    • F42C15/285—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids stored within the fuze housing

Definitions

  • a type of fuze in which a device which affects a portion of the pyrotechnic chain or train is movable between a retracted position in which the pyrotechnic chain is broken by the device and an operative position which the device automatically assumes during the gyration of the projectile and in which the pyrotechnic chain is re established.
  • the object of the invention is to provide a fuze of this type so improved as to afford, in addition to complete safety at rest afforded by the breaking of the pyrotechnic chain, safety in the vicinity of the muzzle of the gun or launching tube.
  • the movable device is a detonator carrier disposed in a strictly fluidtight compartment where it forms two chambers which communicate only by Way of narrow passageways formed around said device and which are substan tially filled with a liquid having a retarding action.
  • FIG. 1 is a part-longitudinal sectional view and partelevational view of an automatically destroyed and percussion fuze for a gyratory projectile improved in accordance with the invention, this fuze being shown in its position of rest;
  • FIG. 2 is a half longitudinal sectional view similar to FIG. 1, the component parts being shown in their posi tions subsequent to arming;
  • FIG. 3 is a plan view taken along line 33 of FIG. 1 of the rear part of the fuze.
  • FIG. 4 is a similar plan view relating to the positions shown in FIG. 2.
  • the invention is shown to be applied to a percussion and automatically destroyed fuze of the type described in the French addition No. 43,453 of February 18, 1933.
  • This fuze has an outer body having a longitudinal axis X-X and comprising three parts: a nose 1, an intermediate part 2 and a rear part 3 which are interconnected by screwthreads 4 and 5.
  • the rear element 3 is screwthreaded at 6 for its screwthreaded mounting on the projectile P.
  • the three parts or elements It, 2 and 3 have an axial throughway aperture.
  • the part 1 has a stepped aperture comprising three cylindrical portions whose cross-sectional sizes increase from the forward portion '7 to the rear portion 9 and are interconnected by intermediate conical portions, a shoulder 13 being formed at the rear end of the portion 7.
  • the intermediate part or element 2 has a fiat rear transverse face 15 and a forward recess including a forward conical seating 16 which converges rearwardly toward the axis and is extended by a cylindrical axial aperture 17 provided with a neck 18 and communicating with the rear face 15.
  • the rear part or element 3 comprises a forward recess of revolution about the axis X-X, this recess consisting of a forward screwthreaded portion for interconnecting the parts 2. and 3 and a cylindrical rear portion 19 having a smooth wml.
  • the portion 119 communicates by way "ice of an axial aperture Ztl with a rear cavity 21 of a cylindrical and hollow depending portion 21 which is closed by a tapped plug 21 Located in the axial cavity formed by the nose 1 is a percussion device A with its means for locking the firing pin at rest, and means for arming and actuating the firing pin for the automatic destruction.
  • the compartment formed by the cylindrical recess 19 and the rear face 15 of the intermediate part 2 of the body of the fuze contains the detonator carrier or arming element B described hereinafter and movable between a retracted position (H68. 1 and 3) and an operative or arming position (FIGS. 2 and 4) which correspond respectively to the breaking and to the re-establishment of the pyrotechnic chain or train, the detonator primer C (FIG. 2) having a charge 0 being adapted to be fired by the device A in the operative position of the detonator carrier B (FIGS. 2 and 4).
  • the rear part 3 carries in the aperture 20 a detonation relay D having a charge d adapted to be ignited when the detonator primer C has been fired and in the cavity 21 a booster E whose charge e is adapted to be ignited by the charge d.
  • the percussion or firing device A comprises an axial percussion or firing pin consisting of two parts 22 and 2,3, the rear part 23 being disposed with clearance in a blind hole in the forward part 22.
  • the latter is guided in the cylindrical portion '7 of the axial aperture of the nose 1 and is retained in the body of the fuze by a sealing disc 25 fixed by crimping over the end of the nose 1 onto a Washer 25
  • the rear part 23 of the firing pin terminates in the percussion point 26 and comprises a flange 27 whose rear face 28 is conical whereas its forward face constitutes a transverse shoulder 29 perpendicular to the axis XX.
  • T re firing pin is provided with the following devices.
  • a device for effecting the automatic destruction of the fuze after a given travel of the projectile if the fuze does not encounter the target beforehand a device for effecting the automatic destruction of the fuze after a given travel of the projectile if the fuze does not encounter the target beforehand.
  • the first of said devices comprises an arming sleeve 3% axially guided in the nose 1 by the faces 8 and 9, locking balls 31 adapted to co-operate with the sleeve 30 and with the firm pin, and an elastic split ring 32 engaged in an outer groove in the sleeve for holding the latter in the position of rest shown in P16. 1 by the forward abutment thereof against the rear face 3% of the nose 1.
  • the arming sleeve 30 has a plurality of cylindrical recesses or countersinks 33, one recess being provided for each ball 31. These recesses are inclined relative to the axis of the fuze.
  • each of the recesses is such that for the rear position of rest of the sleeve 30, the balls 31 of the intermediate part 2 and with the rear conical face 28 of the flange of the firing pin so that the latter is maintained in its forward position of rest shown in FIG. 1.
  • the device for effecting an automatic destruction of the fuze comprises an automatic destruction ring 34 slidable along the firing pin and urged rearwardly by an automatic destruction spring 35 which is compressed between the forward shoulder 13 of the nose 1 and a shoulder 36 on the ring 34.
  • the latter has radial apertures 37 in each of which is partially engaged a ball 38.
  • the balls 38 are capable of partially engaging a recess 39 formed in the inner face of the arming sleeve 3%. Therefore, they hold the ring 34 stationary relative to the sleeve 34) in the longitudinal direction at least while they are engaged in the apertures 39, since, as will be explained hereinafter,
  • the detonator carrier or arming element B provided with the detonator primer C is, as has been mentioned hereinbefore, located in the cylindrical recess or compartment 19 formed in the rear part 3 of the body of the fuze and closed at the forward end by the rear face 15 of the intermediate part 2.
  • the central aperture 13 of the intermediate part is closed by a thin fluid-tight disc 40 secured in the rear end of this aperture.
  • the fiat faces 442* form two escape passageways while the part 2 has not been entirely screwed into the part 3 then, when the fiuidtightness between the two parts has been obtained by the contact at 40 of their perfectly machined mutual contact transverse faces, the compartment 19 is completely fiuidtight but communicates by way of the flat faces 4 h with the recesses 40 for the purpose explained hereinafter.
  • the detonator carrier B is mounted for pivotal movement about the axis Y--Y of a pivot 41 which is eccentric relative to the longitudinal axis X-X (FIGS. 1 and 3) and can move from the retracted position of rest shown in FIGS. 1 and 3 to the operative position shown in FIGS. 2 and 4 in which the pyrotechnic chain or train is reestablished.
  • the detonator carrier B At rest, the detonator carrier B is held in the retracted position by a spring 42. This position is such that the detonator primer C is held away from the axis XX whereas it is returned to this axis in the operative position shown in FIGS. 2 and 4.
  • the arrangement is such that the centre of gravity of the detonator carrier B is located at a point G (FIG. 3) which is such that when the projectile revolves about its axis in the direction of arrow f the centrifugal force F exerted on the detonator carrier and applied at G creates relative to the pivot axis Y-Y of the detonator carrier a torque F a which tends to swing the detonator carrier about the axis YY in the direction of arrow F.
  • a suitable position of the centre of gravity G can be obtained in forming the detonator carrier B in two parts 43 and 44 having different densities.
  • the part 33 can advantageously be composed of a light material, for example light alloy or a superpolyamide such as that known under the trade name Rilsan or any other plastic material whereas the other part 44 is composed of much heavier material, such as silver, brass or titanium carbide.
  • a light material for example light alloy or a superpolyamide such as that known under the trade name Rilsan or any other plastic material
  • the other part 44 is composed of much heavier material, such as silver, brass or titanium carbide.
  • the element 47 comprises a cylindrical face 5% which is concentric with the axis YY and in the immediate vicinity of which is located the cylindrical face 51 of the part 44 of the detonator carrier B.
  • the element 47 also comprises a cylindrical face 59* (FIG. 3) concentric to the axis YY and in the immediate vicinity of which is located the cylindrical face 51 of the detonator carrier B.
  • this detonator carrier forms, within the fluidtight compartment 19 in which it pivots, two chambers m and n which, on the one hand, communicate separately and permanently with one of the cavities 43 (PEG. 1) of the part 2 through one of the receses til and, on the other hand, communicate with one another only through very thin laminar flow passages respectively corresponding to the following clearances; 2:, formed between the faces 59 and 51 (FIGS. 1 and 3), x formed between the faces 5t and 51 y (FIG. 1) formed between the faces 15 and the face 52 of the detonator carrier B and z (nil in FIG. 1) formed between the bottom 53 of the recess 19 and the corresponding face 54 of the detonator carrier B.
  • the chambers in, n, the recesses 40 and the empty parts of the recesses 40* are completely filled with a liquid 55, preferably silicon.
  • a liquid 55 preferably silicon.
  • the cavity of the latter receives an amount of silicon which slightly exceeds the volume the cavity has after the parts 2 and 3 have been assembled.
  • the excess silicon is evacuated by way of the flat faces or recesses 4th.
  • the two compressible plugs 4% permit avoiding excessive overpressures of the silicon due to the difference in the expansion of this liquid and the metal elements defining the various walls of the compartment filled with the silicon.
  • the fuze operates in the following manner:
  • the various parts are in the positions shown in FIGS. 1 and 3, the firing pin is held stationary by the balls 51, the arming sleeve 3t) being maintained in its rear posi tion by the elastically yieldable ring 33. Further, the automatic destruction ring 3-4 bears against the forward face 29 of the flange 27 of the firing pin under the effect of the spring 35 which is compressed in the position shown in FIG. 1.
  • the detonator carrier B is in the position shown in FIG. 3, the detonator primer C is laterally retracted away from the axis X-X along which the pyrotechnic chain is to be established.
  • the fuze is now completely safe for storing, handling and loading.
  • the ring 32 Upon firing the projectile from the gun tube, the ring 32 escapes from the groove of the arming sleeve 39 under the combined effect of uial acceleration and centrifugal acceleration, but, during the entire period of positive axial acceleration, that is, not only so long as the projectile travels through the gun tube but even over a certain distance after issuing from the tube, the balls 31 are urged by the positive axial acceleration against the rear seating 16 and everything remains temporarily in the same condition.
  • the fuze When the various parts have moved in the manner described hereinbelore, the fuze is armed, since: firstly the firing pin is unlocked; secondly the automatic destruction device constituted by the ring 34 and the spring 35 isitself armed since the ring 34- is separated from the shoulder 29 of the firing pin 23 an axial distance w (FIG. 2) which is substantiajy equal to the axial arming travel of the ring 30 and the spring 35 is compressed; and thirdly the pyrotechnic chain or train is established as explained hereinbefore.
  • the armed fuze can operate either by percussion upon impact on the target aimed at or by an automatic percussion following a slowing down of the rotational speed of the projectile on its trajectory, which slowing down is caused by the friction of the air.
  • the latter crushes the nose of the fuze and the firing pin (which is released from the balls 31 and 38) is shifted rearwardly, perforates the disc 40 and strikes the detonator primer C which ignites the relay D which latter in turn ignites the booster E.
  • the fuze is simple in construction and completely safe in operation, since the presence of silicon in the cavity 19 and the choice of its viscosity and of the clearance x x y and z permits obtaining delays in the arming which can be varied between some hundredths and some tenths of a second.
  • Fuze for a gyratory projectile having a bursting charge comprising a body and within the body: a pyrotechnic chain for igniting the bursting charge of the projectile and including a detonator primer, a wall defining a fiuidtight compartment within the body, a detonator carrier disposed in the compartment and carrying the detonator primer and movable in the compartment between an operative position m which the detonator primer of the pyrotechnic chain communicates with so as to be capable of igniting the rest of the pyrotechnic chain and a retracted position in which the detonator primer does not communicate with the rest of the pyrotechnic chain, yieldable retaining means in engagement with the detonator carrier to yieldingly retain the detonator carrier in said retracted position when the projectile is not gyrating, the detonator carrier and retaining means being so adapted and arranged that the effect thereon of the gymtion of
  • Fuze as claimed in claim 1 comprising elastically compressible means the volume of which varies with pressure change disposed within the body in communication with the compartment whereby relative variations in the volume of the liquid and the volume of the chambers due to difierences in expansion of the liquid and of the detonator carrier and the wall of the compartment defining the chambers are substantially compensated by the compressible means.
  • the body comprises two elements which have screw-threading and are interconnected by said screw-threading, the compartment being located within the two elements screwed together, a longitudinally extending liquid evacuation passageway being provided in the screwthreading of one of the elements and communicating with the compartment to allow escape of excess amount of said liquid while the elements are being screwed together, outer annular sealing shoulders encompassing the screwthreadings and contained in planes perpendicular to the screwthreadings being provided on the elements in positions to sealingly engage one another and close the evacuation passageway off from the exterior of the body when the elements are fully screwed together.
  • Fuze as claimed in claim 5 comprising two liquid evacuation passageways and two elastically compressible members the volume of which varies with pressure change, the compressible members being mounted in one of said elements and the liquid evacuation passageways putting the two chambers respectively in communication with the compressible members.
  • the detonator carrier is mounted in the compartment to pivot about a pivot axis from the retracted to the operative position and comprises two interconnected elements having different densities, the denser element being remote from said pivot axis of the carrier and the less dense element being adjacent said pivot axis.
  • Fuze for a gyratory projectile having a bursting charge said fuze having a longitudinal axis adapted to coincide with the axis of gyration of the projectile and comprising a body and within the body: a pyrotechnic chain for igniting the bursting change of the projectile and including a primer, a wall defining a fluidtight cornpartment wtihin the body, a primer carrier pivotally mounted in the compartment and carrying the primer and pivotable about a pivot axis substantially parallel with but laterally offset from said longitudinal axis from a retracted position in which the primer of the pyrotechnic chain is out of alignment with the rest of the pyrotechnic chain to an operative position in which the primer is in alignment with the rest of the pyrotechnic chain, the centre of gravity of the carrier being offset relative to the pivot axis of the carrier in such manner that the centrifugal force exerted on the carrier by the gyrations of the projectile urges the carrier
  • said wall defining the compartment has a second part-cylindrical part concentric with the pivot axis of the carri r and the carrier has a second portion which is at a very short radial distance from said second part of the wall in all positions of the carrier so as to provide a second small section passageway through which the chambers intcrcomrnunicate, said part-cylindrical parts being substantially diametrically opposed relative to the pivot axis of the carrier.
  • Fuze for a gyratory projectile having a longitudinal axis adapted to coincide with the axis of gyration of the projectile and comprising a body and within the body: a pyrotechnic chain for exploding the projectile and including a primer, a wall defining a fiuidtight compartment within the body, a carrier disposed in the compartment and carrying the primer and pivotable in a direction away from said longitudinal axis between a retracted position in which the primer of the pyrotechnic chain is out of alignment with the rest or" the pyrotechnic chain and an operative position in which the primer is in alignment with the rest of the pyrotechnic chain, the centre of gravity of the carrier bein ofiset from said longitudinal axis so that centrifugal force exerted on the carrier by the gyrations, of the projectile urges the detonator carrier away from said retracted position to said operative position, and the carrier dividing the compartment into two chambers, clearances provided between the
  • Fuze for gyratory projectile having a longitudinal axis adapted to coincide with the axis of gyration of the projectile and comprising a body and within the body:
  • pyrotechnic means for e, a ng the projectile, a primer for igniting the pyrotechnic means, a carrier carrying the primer and movable between a retracted position in which the primer is out of alignment with the rest of the pyrotechnic means and an operative position in which the primer is in alignment with the rest of the pyrotechnic means, the carrier being so adapted and arranged that the efiect thereon of the gyration of the projectile is to bias the carrier from the retracted position to the operative position, and means defining a liquid clamping device, said liquid damping device comprising a wall defining a liquidtight compartment, 21 member movable in the compartment from a first position of abutment against a first portion of said wall to a second position of abutment against a second portion of said wall in a direction away from said longitudinal axis, a viscous liquid filling the compartment, and liquid passageways provided between said wall and the member, the member forming two chamber
  • a fuze for a gyratory projectile having a bursting charge said fuze having a longitudinal axis adapted to coincide with the axis of gyration of the projectile and being of the type comprising a fuze body and, disposed in the body, a movable percussion pin, a primer for igniting the bursting charge and an arming element which is operatively associated with the percussion pin and is responsive to the centrifugal force created by the gyrations of the projectile so as to be moved by said centrifugal force from a retracted position in which it prevents the percussion pin from striking the primer to an arming position in which it allows the percussion pin to strike the primer
  • the combination comprising in said fuze body: a wall defining a fluid-tight compartment, said arming element mounted in the compartment and having a pivot axis about which the arming element is pivotable from said retracted position to said arming position, said pivot axis being laterally offset from and
  • a fuze for a gyratory projectile having a bursting charge said fuze having a longitudinal axis adapted to coincide with the axis of gyration of the projectile and being of the type comprising a fuze body and, disposed in the body, a movable percussion pin, a primer for igniting the bursting charge and an arming element which is operatively associated wtih the percussion pin and is responsive to the centrifugal force created by the gymtions of the projectile so as to be moved by said centrifugal force from a retracted position in which it prevents the percussion pin from striking the primer to an arming position in which it allows the percusson pin to strike the primer, the combination comprising in said fuze body a wall defining a fluid-tight compartment, said arming element mounted in the compartment and having a pivot axis about which the arming element is pivoted from said retracted position to said arming position, said pivot axis being laterally offset

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Toys (AREA)
US3118379D 1960-11-23 Fuze for a gyratory projectile Expired - Lifetime US3118379A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR844807A FR1280757A (fr) 1960-11-23 1960-11-23 Fusée perfectionnée pour projectile à giration
FR876222A FR80521E (fr) 1960-11-23 1961-10-17 Fusée perfectionnée pour projectile à giration

Publications (1)

Publication Number Publication Date
US3118379A true US3118379A (en) 1964-01-21

Family

ID=26188266

Family Applications (1)

Application Number Title Priority Date Filing Date
US3118379D Expired - Lifetime US3118379A (en) 1960-11-23 Fuze for a gyratory projectile

Country Status (6)

Country Link
US (1) US3118379A (fr)
BE (1) BE609930A (fr)
CH (1) CH373670A (fr)
DE (1) DE1148162B (fr)
FR (3) FR1280757A (fr)
GB (1) GB954691A (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261293A (en) * 1963-11-22 1966-07-19 Avco Corp Time delay fuze
US3397640A (en) * 1966-10-28 1968-08-20 Gen Electric Fuze with improved time delay and self-destruct mechanism
US3425354A (en) * 1967-10-30 1969-02-04 Honeywell Inc Centrifugally armed fuze
US3640225A (en) * 1969-06-20 1972-02-08 Honeywell Inc Fuze apparatus
US3732825A (en) * 1970-06-26 1973-05-15 Oerlikon Buehrle Ag Impact fuze for a spin stabilized projectile
US3738274A (en) * 1972-01-24 1973-06-12 Us Army Muzzle burst fuzes
US4109583A (en) * 1976-04-09 1978-08-29 The United States Of America As Represented By The Secretary Of The Army Projectile fuze
US4159679A (en) * 1976-07-09 1979-07-03 The United States Of America As Represented By The Secretary Of The Army Projectile fuze
WO2002033344A1 (fr) * 2000-10-19 2002-04-25 Atmostat Etudes Et Recherches Dispositif a securite passive levee par une acceleration

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1195206B (de) * 1963-10-16 1965-06-16 Foersvarets Fabriksstyrelse Geschosszuender mit verzoegernder mechanischer Entsicherung
FR2256697A5 (fr) * 1972-07-20 1975-07-25 Haut Rhin Manufacture Machines
BE858541A (fr) * 1977-09-09 1978-03-09 Prb Sa Dispositif de securite pour fusees
DE3901525A1 (de) * 1989-01-20 1990-07-26 Junghans Gmbh Geb Zuender fuer ein bomblet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1142375A (en) * 1914-11-24 1915-06-08 Henry N Sweet Exploding device for projectiles.
US2167197A (en) * 1936-11-12 1939-07-25 Sageb Sa Fuse for rotative projectiles
US2825284A (en) * 1954-11-05 1958-03-04 Mefina Sa Impact fuzes with mechanical retardation
US2896540A (en) * 1954-12-06 1959-07-28 Voland Andre Control device for the percussion pin of a projectile fuse

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE385828A (fr) * 1931-01-24
DE736653C (de) * 1938-08-12 1943-06-24 Hugo Schneider Ag Aufschlagzuender
US2392430A (en) * 1942-02-12 1946-01-08 Alfred F Teitscheid Fuse
CH264641A (de) * 1947-11-03 1949-10-31 Oerlikon Buehrle Ag Transport- und vorrohrsichere Sprengkapsel.
US2664822A (en) * 1950-01-03 1954-01-05 Frank B Hale Fuze
BE556752A (fr) 1956-09-05
NL225272A (fr) * 1957-02-26

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1142375A (en) * 1914-11-24 1915-06-08 Henry N Sweet Exploding device for projectiles.
US2167197A (en) * 1936-11-12 1939-07-25 Sageb Sa Fuse for rotative projectiles
US2825284A (en) * 1954-11-05 1958-03-04 Mefina Sa Impact fuzes with mechanical retardation
US2896540A (en) * 1954-12-06 1959-07-28 Voland Andre Control device for the percussion pin of a projectile fuse

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261293A (en) * 1963-11-22 1966-07-19 Avco Corp Time delay fuze
US3397640A (en) * 1966-10-28 1968-08-20 Gen Electric Fuze with improved time delay and self-destruct mechanism
US3425354A (en) * 1967-10-30 1969-02-04 Honeywell Inc Centrifugally armed fuze
US3640225A (en) * 1969-06-20 1972-02-08 Honeywell Inc Fuze apparatus
US3732825A (en) * 1970-06-26 1973-05-15 Oerlikon Buehrle Ag Impact fuze for a spin stabilized projectile
US3738274A (en) * 1972-01-24 1973-06-12 Us Army Muzzle burst fuzes
US4109583A (en) * 1976-04-09 1978-08-29 The United States Of America As Represented By The Secretary Of The Army Projectile fuze
US4159679A (en) * 1976-07-09 1979-07-03 The United States Of America As Represented By The Secretary Of The Army Projectile fuze
WO2002033344A1 (fr) * 2000-10-19 2002-04-25 Atmostat Etudes Et Recherches Dispositif a securite passive levee par une acceleration
FR2815659A1 (fr) * 2000-10-19 2002-04-26 Atmostat Etudes Et Rech S Dispositif a securite passive levee par une acceleration

Also Published As

Publication number Publication date
FR1280757A (fr) 1962-01-08
DE1148162B (de) 1963-05-02
FR80521E (fr) 1963-05-10
GB954691A (en) 1964-04-08
FR20521E (fr) 1918-05-08
BE609930A (fr) 1962-03-01
CH373670A (fr) 1963-11-30

Similar Documents

Publication Publication Date Title
US2595757A (en) Fuse
US3118379A (en) Fuze for a gyratory projectile
US2697400A (en) Projectile with shaped charge and point initiating fuze
US2977882A (en) Projectile fuze
US2838999A (en) Sensitive fuses
US1561687A (en) Point-detonating fuse
US2845866A (en) Fuse for a projectile and applications thereof
US1944780A (en) Percussion fuse of high sensitivity
US2692557A (en) Fuse
US2359752A (en) Percussion fuse
US3961578A (en) Point-detonating projectile fuze
US2392884A (en) Fuse for projectiles
US3289588A (en) Caliber 50 spotting bullets
US1216802A (en) Projectile-fuse.
US3289589A (en) Caliber .50 spotting bullets
US3417701A (en) Detonating fuse for bombs and the like
US2335842A (en) Fuse
US2546999A (en) Fuse
US2493278A (en) Combined fuse
US4457232A (en) Artillery fuze for practice and tactical munitions
US3177810A (en) Impact fuze
US2837999A (en) Base detonating fuze
US2428380A (en) Fuse
US2541603A (en) Fuse
US2427671A (en) Fuze