EP0727637A1 - Montant de visée pour fusil et procédé de fabrication d'un canon d'arme équipé d'un tel montant - Google Patents

Montant de visée pour fusil et procédé de fabrication d'un canon d'arme équipé d'un tel montant Download PDF

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Publication number
EP0727637A1
EP0727637A1 EP95104484A EP95104484A EP0727637A1 EP 0727637 A1 EP0727637 A1 EP 0727637A1 EP 95104484 A EP95104484 A EP 95104484A EP 95104484 A EP95104484 A EP 95104484A EP 0727637 A1 EP0727637 A1 EP 0727637A1
Authority
EP
European Patent Office
Prior art keywords
running rail
barrel
running
rail
mold
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.)
Granted
Application number
EP95104484A
Other languages
German (de)
English (en)
Other versions
EP0727637B1 (fr
Inventor
Rudolf Brandl
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.)
Heckler und Koch GmbH
Original Assignee
Heckler und Koch 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 Heckler und Koch GmbH filed Critical Heckler und Koch GmbH
Publication of EP0727637A1 publication Critical patent/EP0727637A1/fr
Application granted granted Critical
Publication of EP0727637B1 publication Critical patent/EP0727637B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/42—Tube sights; Bar sights ; Combinations of tubular fore and rearsights
    • F41G1/425—Bar sights

Definitions

  • the invention relates to a running rail for a firearm, in particular a shotgun, and a method for producing a barrel provided with a running rail.
  • a running rail is attached to the top of the barrel, which is aimed at when shooting. This extends at least over part of the barrel and is connected to the barrel in a fixed or fixed manner.
  • Running rails are usually attached to single-barreled shotguns (shotguns, repeating or self-loading shotguns) or over-and-under shotguns. But it is also possible to use runners in connection with weapons, in which two - and theoretically more - barrels lie one above the other or next to each other, such as over-and-under shotguns, over-and-under rifles and over-and-under rifles.
  • a running machine is often attached to single-barrel rifles (such as drop-barrel or bolt action rifles).
  • the running rail can have a flat surface or a surface bent downwards (so-called hollow rail).
  • the cross section of a running rail can be straight upwards (towards the line of sight) or curved so that the running rail forms a flat channel, so to speak.
  • ventilated running rails are used, in particular with sports shotguns, which have recesses on their side adjacent to the barrel. These can be flowed through by cooling air and thus represent ventilated gaps between parts of the running rail and the top of the barrel facing it.
  • the above gaps are separated from one another by bridge-pillar-like sections of the running rail which reach to the barrel and are soldered to it. No ventilation occurs in the area of these sections, so that at least at these sections there is still significant streaking.
  • Ventilated runners also have the advantage that they are lighter than solid runners. This not only reduces the overall weight of the shotgun, but also makes it easier to track a moving target with the shotgun.
  • a disadvantage of the ventilated running track is its increased manufacturing effort, since the recesses must be milled out cleanly.
  • the invention now aims to provide an improved running track and, as a result, an improved running.
  • the track should be easy to manufacture and attachable to the barrel.
  • the running rail for a firearm especially a shotgun, consists of a material with poor thermal conductivity, ie significantly worse than that of the barrel, which is usually made of steel.
  • the running rail according to the invention has the effect that its surface facing the line of sight is significantly colder than the other running surface when the barrel is shot hot. The formation of streaks occurs least in the area of the line of sight above the running rail according to the invention.
  • the running track prevents the streaking caused by the neighboring running surface from interfering with the line of sight, because the heated air can only rise on both sides of the running track and thus leaves the line of sight unimpeded.
  • a running rail made of a material with poor thermal conductivity is also in principle simple to produce, since no special shaping is required to reduce the formation of streaks.
  • Horn or a precious wood can be used as material for the running track, i.e. any material with low thermal conductivity that has been used in the gunsmith's trade up to now.
  • a ceramic material is also possible.
  • the running rail preferably consists entirely or partially of plastic, particularly preferably of thermosetting plastic. This measure prevents even if the barrel is unusually hot-shot that the running rail is reduced in strength (claim 2).
  • one or more reinforcing means are embedded in the running rail (claim 3). This ensures improved dimensional stability and rigidity even when the base material forming the running rail is, for example, relatively should be flexible plastic.
  • Such a base material - at least in the area adjacent to the barrel - has the advantage that the barrel can expand freely when heated.
  • the shape of the running rail can be adapted to that of the running surface.
  • a metal sheet could be considered, which forms part of the surface of the running rail facing away from the barrel and closest to the line of sight and is roughened, matted or guilloche on the surface in the usual way.
  • the reinforcing means are fibrous. Fibers have the advantage that their course can be adapted to the course of the running rail with simple means, so that the manufacture of the running rail according to the invention is simplified.
  • Fibers made of various materials for embedding in plastic are known. According to claim 5, however, glass fibers are preferred because they are inexpensive and can be easily processed because of their relatively high cross-loading capacity.
  • the running rail is fastened to the running by adhesive (claims 6 and 13).
  • adhesive bonds for example using epoxy resins, are known in the art.
  • Such an adhesive bond is not only simple and has a strength that is equivalent to that of a soft solder joint, but also has the advantage, when choosing a limitedly flexible adhesive, that it distributes local stresses and thus reduces them. It is therefore sufficient to have a relatively small surface area, on which the running rail is glued to the running, in order to ensure a permanent and reliable hold of the running rail.
  • the running rail Because of the low thermal conductivity of the running rail according to the invention, it can be solid. It is also essential here that a possibly fiber-reinforced plastic has a much lower weight than the steel previously used for the running rail. Such a running rail does not interfere with the rapid target acquisition by means of a rifle, even if it should be unusually high and wide.
  • the running rail has recesses on its side facing the running (claim 7). So it is similar to the well-known ventilated running track. However, these recesses do not serve, as in the known running track, for ventilation and thus for reducing the formation of streaks, but primarily for reducing the weight and maintaining the appearance that the shooter is used to from a quality weapon.
  • the arrangement of the above-mentioned recesses enables the use of a wider running rail which, if appropriate, for example with an ordnance weapon, can also be designed as a mounting base for additional devices, for example for a special target device (red dot sight, laser aiming device, etc.).
  • a special target device red dot sight, laser aiming device, etc.
  • the side of the running rail facing away from the barrel is designed as a flat surface (claim 8). As already mentioned several times above, this is advantageous.
  • the running rail extends over the entire length of the run.
  • the side facing away from the barrel is slightly bent towards the barrel in the central region (claim 9).
  • a manufacturing advantage of this hollow rail is that the running rail has the same height over the length of the run, so that a limited flexible strand material can be simply pressed against the run and glued to it in a tensioning device for producing the running rail.
  • the ends of the running rail are preferably only adapted to the length of the run after the gluing.
  • the slide rail according to the invention is used with preference for single-barrel weapons, which also include repeating shotguns (pump guns) and self-loading shotguns.
  • the slide rail according to the invention in connection with weapons in which two shotgun barrels lie side by side.
  • the running rail can be extended downwards so that it forms receptacles for gluing the two shotgun barrels on both sides.
  • the running rail according to the invention is particularly advantageously arranged on two superimposed runs.
  • the lower barrel can be a rifle barrel, but is preferably - like the upper barrel - also a shotgun barrel.
  • the invention enables the use of a high, yet light, running rail, and thus the use of systems of higher construction and therefore more stability than can currently be used for sports shotguns.
  • plastic for the running machine allows other colorations, which can be achieved simply and permanently by using a colored plastic, or the formation of colored zones, such as a colored central stripe, for example by applying a colored plastic adhesive, preferably by means of a particularly easily Pull tab.
  • shock or fluorescent color is used to color the running rail according to the invention; this facilitates the precise detection of a target even at dusk.
  • a running rail made of a material with poor thermal conductivity and the run are first produced separately and then connected to one another.
  • a blank made of glass fiber-reinforced plastic is inserted into a heatable mold, heated, pressed and optionally hardened in order to produce the running rail.
  • the running rail according to the invention is mixed with fibers, it is particularly advantageous for the production thereof to be preformed from glass fibers so-called prepregs and then heated. In this way, even a complicated shaped track can be produced in a particularly economical and simple manner.
  • the surface facing the line of sight can also be molded in
  • Be roughened and the desired surface coloring of the running rail can be achieved by appropriate coloring of the plastic wetting the fibers.
  • the running rail produced by the method according to the invention must at most be deburred. No further general post-processing is required.
  • the shotgun grain which is usually made as a small ball from metal or plastic, the color of which contrasts with that of the running rail, into the shape and to form it. It is also possible and possibly advantageous to retrofit a conventional threaded hole for such a grain into the running rail. This enables the shooter to equip his weapon with a grain of his own choice.
  • a coarse rifle grain on the muzzle-side end of the running rail. This can be formed in one piece with the running rail and thus together with it.
  • the running rail according to the invention can be produced as a separate part and can advantageously be attached to the running by means of an adhesive (claim 13) or an ultrasound bond (claim 14); the first method only requires a simple device for clamping the running rail to the barrel while the adhesive is curing, while the second method has the advantage that it can be carried out particularly quickly and cleanly, since no leaked adhesive has to be removed.
  • a hollow shape which has a recess for receiving the finished barrel and a recess adjacent to it, which is intended to form the running rail.
  • This hollow mold is either designed as an injection mold, with molten plastic being injected into the recess forming the running rail after inserting the barrel, or as a heatable mold, in which a prepreg is inserted into the recess forming the running rail after inserting the barrel.
  • the prepreg is impregnated with an adhesive plastic or has an adhesive additive. Then the prepreg and barrel are pressed together and heated.
  • a shotgun barrel 4 is shown, the mouth of which is on the left in the drawing and the end of the bearing is on the right in the drawing.
  • the longitudinal dimension of the respective shotgun barrel 4 is greatly shortened.
  • a shotgun barrel 4 is shown, on the upper side of which a ventilated running rail 2 is attached.
  • This ventilated running rail 2 has a flat surface on its side facing away from the running 4.
  • the slide rail 2 On its side facing the barrel 4, the slide rail 2 has elongated, longitudinally extending recesses 8, so that the slide rail 2 only touches the barrel 4 with columnar sections between two adjacent recesses 4.
  • the running rail 2 is glued to the running 4 at these sections.
  • a shotgun grain 6 is attached in a conventional manner on the upper side thereof.
  • the barrel 4 does not have a cylindrical or continuously conical outer shape, but instead has an outer diameter that tapers towards the front from the end of the bearing, as corresponds approximately to the barrel internal pressure when fired. Towards the mouth, however, the outside diameter of the barrel 4 increases again, since it has a receptacle for interchangeable choke inserts at its mouth. If such a recording is not provided, then barrel 4 tapers to the mouth.
  • the running rail 2 is in any case adapted to the running side 4 of the latter.
  • Fig. 2 shows a barrel 4, which is designed as such as the barrel 4 of Fig. 1.
  • the running rail 12 differs from that of Fig. 1 in that it is massive.
  • its surface, which faces away from the barrel does not run flat, as in the running rail 2 of FIG. 1, but is slightly bent towards the barrel in the middle region of the barrel 4, forming a hollow rail.
  • the running rail 12 On the mouth side, the running rail 12 has a shotgun grain 6 which corresponds to the shotgun grain 6 of the exemplary embodiment in FIG. 1.
  • Fig. 3 shows a run 4, which as such corresponds to the runs 4 shown so far.
  • the contour of the running rail 22 essentially corresponds to the running rail 2 of FIG. 1, but does not have recesses 8 like this, but is either solid or - for further weight and material savings - hollow.
  • a coarse bush grain 6 ' is integrally formed on the running rail 22 near the mouth.
  • the height y compared to the core axis is considerably greater than the height x of the track 22 at the mouth.
  • This training is based on the fact that unusually heavy shotgun projectiles, tear gas containers or shot shots are fired at relatively low speed, especially with large-caliber shotguns, so that not only is the effective shooting distance short, but also a very strongly curved trajectory is to be expected. The line of sight must therefore be inclined downwards with respect to the axis of the soul.
  • All the rails 2, 12, 22 shown are made of glass fiber reinforced plastic.
  • Fig. 4 shows a schematic cross section through a hollow mold for producing a separate running rail.
  • the hollow mold is formed from two mold halves 5 and 7, which enclose a mold cavity 9.
  • the two mold halves 5, 7 are either locked together in the closed state and a molten plastic is injected into the mold cavity 9, or a prepreg (a glass fiber strand impregnated with plastic) is inserted into the open mold cavity 9 when the mold is open.
  • the mold halves 5, 7 are then heated and pressed together, a separate running rail 4 being formed as a casting or as a compact.
  • FIG. 5 shows a schematic cross section through a hollow mold for producing a running rail connected from the outset to the barrel 4; the hollow mold is formed from two mold halves 15 and 17, which enclose a mold cavity 19.
  • the two mold halves 15, 17 are either closed after inserting the barrel into the open mold and then locked together. A molten plastic is then injected into that part of the mold cavity 19 that is not taken up by the barrel and is adjacent to its outer circumference. Alternatively, with the mold open, the barrel 4 and a prepreg are inserted into the open mold cavity 19. Then the mold halves 15, 17 are heated and pressed together. As a result, a barrel 4 with a molded-on running rail 4 is produced as a composite casting or as a composite compact.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Moulding By Coating Moulds (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
EP95104484A 1995-02-17 1995-03-27 Montant de visée pour fusil et procédé de fabrication d'un canon d'arme équipé d'un tel montant Expired - Lifetime EP0727637B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19505434A DE19505434C2 (de) 1995-02-17 1995-02-17 Laufschiene für eine Schußwaffe und Verfahren zur Herstellung eines mit einer Laufschiene versehenen Laufes
DE9505434U 1995-02-17

Publications (2)

Publication Number Publication Date
EP0727637A1 true EP0727637A1 (fr) 1996-08-21
EP0727637B1 EP0727637B1 (fr) 2003-07-23

Family

ID=7754276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95104484A Expired - Lifetime EP0727637B1 (fr) 1995-02-17 1995-03-27 Montant de visée pour fusil et procédé de fabrication d'un canon d'arme équipé d'un tel montant

Country Status (4)

Country Link
US (1) US5590485A (fr)
EP (1) EP0727637B1 (fr)
AT (1) ATE245797T1 (fr)
DE (2) DE19505434C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011012766A1 (fr) * 2009-07-17 2011-02-03 Carrel Innovations Oy Procédé de production d'un canon d'arme à feu, dispositif pour produire un canon d'arme à feu et canon d'arme à feu

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1997866A (zh) * 2003-09-10 2007-07-11 Ra牌子公司 用于压印复合通风肋条的方法
US20100043271A1 (en) * 2005-03-22 2010-02-25 Blackpowder Products, Inc. Scope mounting system
US7802393B2 (en) * 2007-07-02 2010-09-28 Sjs Paintball, Lp Soft-projectile gun barrel and method for making same
WO2011085456A1 (fr) * 2010-01-15 2011-07-21 Forjas Taurus S/A. Structure métallique fonctionnelle et autonome pour armes à feu et revolver composite métal/plastique résultant
WO2011085457A1 (fr) * 2010-01-15 2011-07-21 Forjas Taurus S/A. Procédé de production d'armes à feu

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005263A (en) * 1958-12-05 1961-10-24 Savage Arms Corp Shotgun sight
US3107450A (en) * 1961-05-19 1963-10-22 Olin Mathieson Glass fiber sight rib for firearm barrels having an outer jacket of glass fibers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US301233A (en) * 1884-07-01 Cannon
US1468902A (en) * 1921-05-03 1923-09-25 Fabry Pierre Assemblage device for sporting-gun barrels
US2404904A (en) * 1940-11-06 1946-07-30 Owens Corning Fiberglass Corp Bonding glass fabrics to inorganic solids
FR1037369A (fr) * 1951-05-22 1953-09-16 Heurtier Ets Bande semi-continue avec procédé de fabrication spécial pour canons jumelés superposés ou juxtaposés, de fusils de chasse ou autres armes
US3025765A (en) * 1952-01-30 1962-03-20 Westinghouse Electric Corp Segmented ring-type refractory metal liners for guns
US3260008A (en) * 1964-08-03 1966-07-12 Olin Mathieson Sight for firearms
US4601121A (en) * 1984-10-25 1986-07-22 Jolly Thomas A Triangular gun sight
SE448282B (sv) * 1985-08-13 1987-02-09 Ffv Affersverket Forfarande for framstellning av ror eller axlar samt ror framstellt enligt forfarandet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005263A (en) * 1958-12-05 1961-10-24 Savage Arms Corp Shotgun sight
US3107450A (en) * 1961-05-19 1963-10-22 Olin Mathieson Glass fiber sight rib for firearm barrels having an outer jacket of glass fibers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011012766A1 (fr) * 2009-07-17 2011-02-03 Carrel Innovations Oy Procédé de production d'un canon d'arme à feu, dispositif pour produire un canon d'arme à feu et canon d'arme à feu
US8776425B2 (en) 2009-07-17 2014-07-15 Carrel Innovations Oy Method for producing a gun barrel, device for producing a gun barrel and a gun barrel
US8863429B2 (en) 2009-07-17 2014-10-21 Carrel Innovations Oy Device for producing a gun barrel and a gun barrel

Also Published As

Publication number Publication date
US5590485A (en) 1997-01-07
DE19505434C2 (de) 1998-04-16
ATE245797T1 (de) 2003-08-15
DE59510753D1 (de) 2003-08-28
EP0727637B1 (fr) 2003-07-23
DE19505434A1 (de) 1996-08-22

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