EP2198233B1 - Canon léger - Google Patents

Canon léger Download PDF

Info

Publication number
EP2198233B1
EP2198233B1 EP08801811.4A EP08801811A EP2198233B1 EP 2198233 B1 EP2198233 B1 EP 2198233B1 EP 08801811 A EP08801811 A EP 08801811A EP 2198233 B1 EP2198233 B1 EP 2198233B1
Authority
EP
European Patent Office
Prior art keywords
weapon barrel
barrel
tube
ceramic
weapon
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.)
Not-in-force
Application number
EP08801811.4A
Other languages
German (de)
English (en)
Other versions
EP2198233A1 (fr
Inventor
Gerhard Bilger
Markus Tripp
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.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition 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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP2198233A1 publication Critical patent/EP2198233A1/fr
Application granted granted Critical
Publication of EP2198233B1 publication Critical patent/EP2198233B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/02—Composite barrels, i.e. barrels having multiple layers, e.g. of different materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/44—Insulation jackets; Protective jackets

Definitions

  • the weapon barrel is made of a ceramic composite or the metallic weapon barrel is wrapped, for example with glass fiber reinforced material.
  • the gun barrel has a lower pipe wall thickness. In combination with the fiber-reinforced material, this then leads to a weight reduction of the barrel.
  • the ceramic composite pipe is made of fiber sections made of fiber-reinforced material. The fiber sections are connected together at their ends and the sliver wound helically into a tube.
  • a weapon barrel in which a winding of individual fiber materials is provided around a metal tube serving as a bullet runway, also publishes the DE 199 59 047 A1 ,
  • a fiber reinforced rifled barrel barrel is out of the DE 691 16 787 T2 ( EP 0 479 746 B1 ) derivable.
  • a known barrel has a metallic barrel with a directly attached layer.
  • a multi-layer weapon tube also describes the US 5,856,631 A .
  • the same subject for Kleinkallber deals with the WO 99/37966 A2 .
  • the wraps or layers serve to exempt or dissipate the heat from the gun barrel. Especially with GFRP windings containing a resin in the fibers, too high temperatures will damage the windings.
  • the US 3,742,640 A relates to a gun barrel, in which means are included, which should realize a controlled radial distribution of heat in a gun barrel.
  • the weapon barrel has a layer with a low heat conduction.
  • the material of the layer may be, for example, a ceramic such as zirconia. This layer is applied over the entire length of the gun barrel. This also creates a high thermal resistance to the inner surface of the sleeve holding the gun barrel, so as to expose the heat throughout the tube.
  • the invention has as its object to provide a weapon barrel in lightweight construction, which no longer has the aforementioned disadvantage.
  • the JP 6-101993 A which forms a starting point for claim 1, describes a method for producing a gun barrel, when a carbon fiber reinforced plastic layer, for the thermosetting resin and carbon fiber are used on the outer peripheral surface of the thin part, and a protective layer, the glass fiber reinforced plastic, for the thermosetting Resin and glass fibers are used, or made of aramid fiber reinforced plastic, are used for the thermosetting resin and aramid fiber, formed one after the other by winding process, the softening according to the temperature increase of the plastic fiber reinforced plastic layer and the protective layer can be favorably prevented.
  • the invention is based on the idea to avoid a temperature transition from the barrel to a wrap.
  • a thermal insulation between the two is involved.
  • This thermal separating layer for example a ceramic, is applied to the steel tube by means of thermal application processes, preferably high-speed flame spraying. Due to the separation layer, the temperature is maintained in the tube and not dissipated as known about the winding. The composite material / layer / matrix is then applied to this ceramic separating layer in order to stabilize the material-reduced weapon barrel in the material-reduced areas.
  • the cartridge chamber in the area in which high pressures occur, is carried out as usual.
  • a wrapping with a thermal separating layer is incorporated in the area (s) in which lower pressures occur, ie preferably at the front of the weapon barrel.
  • the temperature dissipation takes place through the rear area (cartridge chamber), in which, as is known, always the higher temperatures occur.
  • the pipe thickness at the front or, in the front area of the gun barrel to be selected so that a derivative of the temperature purely constructive via the pipe to the rear, ie by / on the pipe itself.
  • the temperature can thus be dispensed with.
  • the new gun barrel is characterized by a composite of steel - ceramic composite material. It is weight-reduced and therefore ideal for fast shooting or aiming. It is intended to be used on weapons with a caliber of 30 mm and smaller caliber gun barrels.
  • a gun barrel 1 consisting of a metallic tube 2, for example made of steel, a ceramic layer applied thereto 3 and a fiber-reinforced material (4), for example, a GRP material, in the front region 5.
  • a cartridge chamber 7 made of steel.
  • the ceramic 3 is, for example, circonium oxide, which is applied to the steel by means of a suitable method. Due to its surface properties, the ceramic 3 offers a good adhesion behavior for the composite matrix 4 on the weapon barrel 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (5)

  1. Canon léger (1) composé d'un tube métallique (2) et d'un enrobage en matériau renforcé par des fibres (4) dans la région antérieure (5) du canon (2) ainsi qu'avec une chambre de cartouche (7) se trouvant dans la région postérieure (6), caractérisé en ce qu'une couche thermo-isolante (3) est insérée entre le tube (2) et l'enrobage en matériau renforcé par des fibres (4) dans la région antérieure (5) du canon (1) et la région postérieure (6) sur le canon (1), mais au moins la chambre de cartouche (7), est dépourvue de la couche thermo-isolante (3).
  2. Canon selon la revendication 1, caractérisé en ce que le tube (2) est un tube en acier et l'enrobage (4) est un matériau renforcé par des fibres de verre [GFK].
  3. Canon selon la revendication 1 ou 2, caractérisé en ce que la couche thermo-isolante (3) est une céramique.
  4. Canon selon la revendication 3, caractérisé en ce que la céramique (3) est un oxyde de zirconium.
  5. Canon selon la revendication 3 ou 4, caractérisé en ce que la céramique (3) est déposée sur le tube en acier (2) par projection à la flamme à grande vitesse.
EP08801811.4A 2007-09-24 2008-09-03 Canon léger Not-in-force EP2198233B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710045723 DE102007045723A1 (de) 2007-09-24 2007-09-24 Waffenrohr in Leichtbauweise
PCT/EP2008/007178 WO2009039940A1 (fr) 2007-09-24 2008-09-03 Canon léger

Publications (2)

Publication Number Publication Date
EP2198233A1 EP2198233A1 (fr) 2010-06-23
EP2198233B1 true EP2198233B1 (fr) 2015-08-05

Family

ID=40260808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08801811.4A Not-in-force EP2198233B1 (fr) 2007-09-24 2008-09-03 Canon léger

Country Status (3)

Country Link
EP (1) EP2198233B1 (fr)
DE (1) DE102007045723A1 (fr)
WO (1) WO2009039940A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20111578A1 (it) * 2011-09-02 2013-03-03 Beretta Armi Spa Barriera termica per armi da fuoco e arma da fuoco provvista di tale barriera termica

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101993A (ja) * 1992-09-18 1994-04-12 Japan Steel Works Ltd:The 砲身及びその製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136613B (de) * 1957-05-06 1962-09-13 Olin Mathieson Zusammengesetzter Schusswaffenlauf
US3742640A (en) 1971-05-14 1973-07-03 Us Army Composite firearm barrel
US4841836A (en) * 1987-11-02 1989-06-27 Bundy Mark L Thermal shroud for a gun tube
CH682843A5 (de) 1990-03-20 1993-11-30 Oerlikon Buehrle Ag Keramikverbundrohr für Feuerwaffen und Verfahren zu dessen Herstellung.
SE467301B (sv) 1990-10-01 1992-06-29 Statoil Europart Ab Saett att framstaella eldroer, samt ett genom saettet framstaellt eldroer
FR2677442B1 (fr) 1991-06-06 1993-10-15 Propulsion Ste Europeenne Chemise de tube de canon en materiau composite, son procede de fabrication, et tube de canon muni d'une telle chemise.
US5285592A (en) 1991-10-31 1994-02-15 Atlantic Research Corporation Motor case with composite overwrap and method
US5214234A (en) 1992-07-17 1993-05-25 The United States Of America As Represented By The Secretary Of The Navy Composite reinforced gun barrels
US5856631A (en) 1995-11-20 1999-01-05 Nitinol Technologies, Inc. Gun barrel
WO1997022843A1 (fr) 1995-12-18 1997-06-26 Roland Christensen Canon de fusil composite/metallique ameliore
US5692334A (en) 1995-12-18 1997-12-02 Roland J. Christensen Family Limited Partnership Primarily independent composite/metallic gun barrel
US6189431B1 (en) 1998-01-26 2001-02-20 Remington Arms Company, Inc. Small caliber gun barrel
DE10112254C1 (de) 2001-03-14 2002-08-22 Josef Schmeiler Ein durch geeignete Materialpaarung gewichtsreduziertes Waffenrohr mit besseren Wärmeabstrahleigenschaften und gleichbleibender Präzision
US20070256345A1 (en) * 2006-05-04 2007-11-08 Hall David R A Rigid Composite Structure with a Superhard Interior Surface

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101993A (ja) * 1992-09-18 1994-04-12 Japan Steel Works Ltd:The 砲身及びその製造方法

Also Published As

Publication number Publication date
EP2198233A1 (fr) 2010-06-23
DE102007045723A1 (de) 2009-04-02
WO2009039940A1 (fr) 2009-04-02

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