FR2536683A1 - Method for manufacturing hollow bodies of projectiles and hollow bodies thus obtained - Google Patents

Method for manufacturing hollow bodies of projectiles and hollow bodies thus obtained Download PDF

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Publication number
FR2536683A1
FR2536683A1 FR8220075A FR8220075A FR2536683A1 FR 2536683 A1 FR2536683 A1 FR 2536683A1 FR 8220075 A FR8220075 A FR 8220075A FR 8220075 A FR8220075 A FR 8220075A FR 2536683 A1 FR2536683 A1 FR 2536683A1
Authority
FR
France
Prior art keywords
hollow bodies
parts
projectiles
forged
hollow
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.)
Pending
Application number
FR8220075A
Other languages
French (fr)
Inventor
Jean Georges Arsene De Kempfi
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.)
BOURGES FONDERIES ACIERIES
Original Assignee
BOURGES FONDERIES ACIERIES
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 BOURGES FONDERIES ACIERIES filed Critical BOURGES FONDERIES ACIERIES
Priority to FR8220075A priority Critical patent/FR2536683A1/en
Publication of FR2536683A1 publication Critical patent/FR2536683A1/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
    • F42B30/08—Ordnance projectiles or missiles, e.g. shells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/06—Shaping thick-walled hollow articles, e.g. projectiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces

Abstract

The present invention relates to a method for manufacturing hollow projectile bodies, such as, in particular, shells. According to the invention, the said hollow bodies 1 are made from two parts 2, 3 which are welded together, especially by friction welding. The present invention is applicable in the ballistics field.

Description

La présente invention concerne un procédé de
fabrication de corps creux de projectiles, tels que notam
ment des obus, ainsi que les corps creux de projectiles
obtenus par mise en oeuvre du procédé de l'invention.The present invention relates to a method of
manufacture of projectile hollow bodies, such as notam
shell, as well as the hollow bodies of projectiles
obtained by implementing the method of the invention.

Jusqu'à présent,les corps creux des projectiles
du type obus sont monobloc . En d'autres termes, qu'ils
soient obtenus par forgeage ou par moulage, ils sont réali
sés d'une seule pièce.So far, the hollow bodies of projectiles
of the shell type are monobloc. In other words, that they
are obtained by forging or molding, they are made
in one piece.

Or, les corps monobloc présentent un certain
nombre d'inconvénients propres à leur technique de fabri
cation. En effet, d'une part, le forgeage est d'un coft levé, et, d'autre part, le moulage n'offre pas une garantie
suffisante de qualité dans la partie soumise à pression,
c'est-à-dire le culot, lors de la mise à feu.However, the one-piece bodies have a certain
number of drawbacks specific to their manufacturing technique
cation. Indeed, on the one hand, the forging is of a raised cost, and, on the other hand, the molding does not offer a guarantee
sufficient quality in the part subjected to pressure,
that is to say, the base, upon firing.

Le but de l'invention est donc d'obtenir, par un
procédé économique de fabrication, des corps de projecti
les ayant les caractéristiques d'un métal forgé dans la
partie soumise à pression lors de la mise à feu.The object of the invention is therefore to obtain, by a
economical manufacturing process, projecti bodies
them having the characteristics of a metal forged in the
part subjected to pressure during ignition.

Dans cet esprit, la présente invention concerne
un procédé de fabrication de corps creux de projectiles,
tels que notamment des obus, caractérisé en ce que lesdits
corps creux sont réalisés en deux parties.In this spirit, the present invention relates
a method of manufacturing projectile hollow bodies,
such as in particular shells, characterized in that said
hollow bodies are made in two parts.

Selon une autre caractéristique de l'invention,
les deux parties précitées sont soudées, notamment par
friction.According to another characteristic of the invention,
the two aforementioned parts are welded, in particular by
friction.

Selon encore une autre caractéristique de l'inven
tion, l'une des deux parties précitées, le culot, est forgée,
notamment par estampage, tandis que l'autre, l'ogive, est
moulée, notamment par centrifugation, ou forgée.According to yet another characteristic of the invention
tion, one of the two aforementioned parts, the base, is forged,
notably by stamping, while the other, the warhead, is
molded, in particular by centrifugation, or forged.

La présente invention concerne également les corps
creux de projectiles obtenus par mise en oeuvre du procédé
ci-dessus.The present invention also relates to bodies
hollow projectiles obtained by implementing the method
above.

L'invention sera mieux comprise et d'autres dé
tails, caractéristiques et avantages de celle-ci apparat-
tront plus clairement à la lumière de la description ex
plicative qui va suivre d'un mode de réalisation actuellenent préféré de l'invention, donné uniquement à titre d'exemple, et faite en référence aux dessins non limitatifs annexés dans lesquels
- la figure I est une vue schématique d'un corps creux de projectile selon l'invention non assemblé; et
- la figure 2 est une vue schématique d'un corps creux de projectile selon l'invention assemblé.The invention will be better understood and other challenges.
details, characteristics and advantages of it
will be more clearly in light of the description ex
which will follow from a presently preferred embodiment of the invention, given solely by way of example, and made with reference to the accompanying non-limiting drawings in which
- Figure I is a schematic view of a hollow projectile body according to the invention not assembled; and
- Figure 2 is a schematic view of a hollow projectile body according to the invention assembled.

Selon l'invention, le corps creux I de projectile, tel que notamment un obus, est réalisé en deux parties, le culot 2 et l'ogive 3. Le culot 2 est réalisé par forgeage, notamment par estampage. L'ogive 3 peut autre moulée, notamment par centrifugation, ou éventuellement forgée. According to the invention, the projectile hollow body I, such as in particular a shell, is produced in two parts, the base 2 and the warhead 3. The base 2 is produced by forging, in particular by stamping. The warhead 3 may be other molded, in particular by centrifugation, or possibly forged.

Pour l'assemblage du corps creux 1, le culot 2 et l'ogive 3 peuvent être soudés, notamment par friction, en 4.For the assembly of the hollow body 1, the base 2 and the warhead 3 can be welded, in particular by friction, at 4.

La facilité d'obtention de chacune des deux parties permet de baisser le coût global de fabrication, et la qualité de la partie soumise à pression , le culot, lors de la mise à feu n'est pas nécessairement imposée à la totalité de la pièce.  The ease of obtaining each of the two parts makes it possible to lower the overall manufacturing cost, and the quality of the part subjected to pressure, the base, during firing is not necessarily imposed on the entire part. .

Claims (6)

REVENDI CAT IONSREVENDI CAT IONS 1. Procédé de fabrication de corps creux de pro 1. Process for manufacturing pro hollow bodies jectiles, tels que notamment des obus, caractérisé en ce jectiles, such as in particular shells, characterized in que lesdits corps creux(1) sont réalisés en deux parties (2, 3) that said hollow bodies (1) are made in two parts (2, 3) 2. Procédé selon la revendication 1, 2. Method according to claim 1, caractérisé en ce que les deux parties( 2, 3)précitées sont characterized in that the above two parts (2, 3) are soudées, notamment par friction. welded, in particular by friction. 3. Procédé selon la revendication 1 ou 2, 3. Method according to claim 1 or 2, caractérisé en ce que l'une des deux parties précitées, le characterized in that one of the two aforementioned parts, the culot(2), est forgée , notamment par estampage, tandis que base (2), is forged, in particular by stamping, while l'autre, I'ogive(3), est moulée, notamment par centrifuga the other, the warhead (3), is molded, in particular by centrifuga tion, ou forgée. tion, or forged. 4. Corps creux de projectiles, notamment d'obus, 4. Hollow bodies of projectiles, especially shells, caractérisés en ce qu'ils sont constitués de deux parties (2, 3r  characterized in that they consist of two parts (2, 3r 5. Corps creux de projectiles selon la revendica 5. Hollow body of projectiles as claimed tion 4, caractérisés en ce que les deux parties(2, 3)pré tion 4, characterized in that the two parts (2, 3) pre citées sont soudées, notamment par friction. cited are welded, in particular by friction. 6. Corps creux de projectiles selon la revendi 6. Hollow body of projectiles as sold cation 4 ou 5, caractérisés en ce que les deux parties cation 4 or 5, characterized in that the two parts précitées comprennent un culot (2) forgé, notamment par mentioned above include a forged base (2), in particular by estampage, et une ogive (3) moulée, notamment par centrifu stamping, and a molded warhead (3), in particular by centrifuge gation, ou forgée.  gation, or forged.
FR8220075A 1982-11-30 1982-11-30 Method for manufacturing hollow bodies of projectiles and hollow bodies thus obtained Pending FR2536683A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8220075A FR2536683A1 (en) 1982-11-30 1982-11-30 Method for manufacturing hollow bodies of projectiles and hollow bodies thus obtained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8220075A FR2536683A1 (en) 1982-11-30 1982-11-30 Method for manufacturing hollow bodies of projectiles and hollow bodies thus obtained

Publications (1)

Publication Number Publication Date
FR2536683A1 true FR2536683A1 (en) 1984-06-01

Family

ID=9279659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8220075A Pending FR2536683A1 (en) 1982-11-30 1982-11-30 Method for manufacturing hollow bodies of projectiles and hollow bodies thus obtained

Country Status (1)

Country Link
FR (1) FR2536683A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214409A1 (en) * 1985-09-11 1987-03-18 Hoesch Aktiengesellschaft Hollow charge training projectile

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56721C (en) * W. M. WOOD, Lieutenant, in Washington, District Columbia, V. St. A Process for the production of grenades and other projectiles from several finished parts by electrical welding
FR815808A (en) * 1936-03-30 1937-07-23 Tubes De Valenciennes Et Denai Welded base shell and its manufacturing process
GB472654A (en) * 1936-03-26 1937-09-27 Samuel Hunter Gordon Improvements relating to projectiles
FR829143A (en) * 1937-01-22 1938-06-13 Generateurs Niclausse Soc D Ex Bombs, more particularly aircraft bombs and their manufacturing process
US2260142A (en) * 1939-06-30 1941-10-21 Westinghouse Electric & Mfg Co Demolition bomb
FR1265578A (en) * 1960-08-11 1961-06-30 American Mach & Foundry Friction welding process and device for carrying out the process
FR1320632A (en) * 1962-04-27 1963-03-08 American Mach & Foundry Friction assembly
FR1371971A (en) * 1963-07-31 1964-09-11 Ateliers Mecaniques De Pont Su Process for the manufacture of a bomb body

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56721C (en) * W. M. WOOD, Lieutenant, in Washington, District Columbia, V. St. A Process for the production of grenades and other projectiles from several finished parts by electrical welding
GB472654A (en) * 1936-03-26 1937-09-27 Samuel Hunter Gordon Improvements relating to projectiles
FR815808A (en) * 1936-03-30 1937-07-23 Tubes De Valenciennes Et Denai Welded base shell and its manufacturing process
FR829143A (en) * 1937-01-22 1938-06-13 Generateurs Niclausse Soc D Ex Bombs, more particularly aircraft bombs and their manufacturing process
US2260142A (en) * 1939-06-30 1941-10-21 Westinghouse Electric & Mfg Co Demolition bomb
FR1265578A (en) * 1960-08-11 1961-06-30 American Mach & Foundry Friction welding process and device for carrying out the process
FR1320632A (en) * 1962-04-27 1963-03-08 American Mach & Foundry Friction assembly
FR1371971A (en) * 1963-07-31 1964-09-11 Ateliers Mecaniques De Pont Su Process for the manufacture of a bomb body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214409A1 (en) * 1985-09-11 1987-03-18 Hoesch Aktiengesellschaft Hollow charge training projectile
US4798144A (en) * 1985-09-11 1989-01-17 Hoesch Aktiengesellschaft Hollow charge shell constructed as drill ammunition

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