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EP0089942A2 - Rifle breech block - Google Patents

Rifle breech block Download PDF

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Publication number
EP0089942A2
EP0089942A2 EP83890001A EP83890001A EP0089942A2 EP 0089942 A2 EP0089942 A2 EP 0089942A2 EP 83890001 A EP83890001 A EP 83890001A EP 83890001 A EP83890001 A EP 83890001A EP 0089942 A2 EP0089942 A2 EP 0089942A2
Authority
EP
European Patent Office
Prior art keywords
recess
housing
extractor
claw
locking lugs
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
EP83890001A
Other languages
German (de)
French (fr)
Other versions
EP0089942A3 (en
EP0089942B1 (en
Inventor
Ulrich Zedrosser
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.)
Steyr Daimler Puch AG
Original Assignee
Steyr Daimler Puch AG
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 Steyr Daimler Puch AG filed Critical Steyr Daimler Puch AG
Publication of EP0089942A2 publication Critical patent/EP0089942A2/en
Publication of EP0089942A3 publication Critical patent/EP0089942A3/en
Application granted granted Critical
Publication of EP0089942B1 publication Critical patent/EP0089942B1/en
Expired legal-status Critical Current

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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
    • F41A15/00—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
    • F41A15/12—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns
    • F41A15/14—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns the ejector being mounted on or within the bolt; Extractors per se

Definitions

  • the invention relates to a rifle breech with a housing or the like.
  • the barrel is inserted from one side and the breech block can be inserted from the other side, the breech block carrying locking lugs at its front end and the housing having grooves corresponding to the locking lugs, which open into a rotation limited by the end, which allows the locking piece to be rotated, and the locking piece is provided with a resiliently pivotable cartridge extractor lying between two locking lugs and ending in a claw.
  • the cartridge case which is usually made of brass, to tear.
  • the cartridge case is firmly enclosed in the cartridge chamber of the barrel, it protrudes with its rear end, which has a groove for engaging the extractor claw, over the barrel end into the recess of the housing.
  • the rear end of the cartridge protrudes into the breech block as far as the butt plate, but this frame has an interruption due to the breech block in the area of the extractor claw, the resiliently swiveling extractor claw can not withstand the increased gas pressure in any way, because it has so far been free to move in one turn.
  • the diameter of the recess is currently selected so that the extractor can carry out the swiveling movement required to reach over the cartridge bottom until the claw engages in the cartridge groove, regardless of the respective rotational position of the closure piece. If the cartridge case tears in the area of the 3-piece puller claw, neighboring gun parts are also destroyed or blown off by the emerging powder gases, so that the shooter is at maximum risk of injury. In addition, there is such damage to the weapon that it can no longer be used.
  • the invention has for its object to remedy this deficiency and to provide a rifle breech of the type described above, in which the risk of injury to the protection or destruction of the weapon is eliminated with simple means during barrel barrage.
  • the invention solves this problem in that the housing inner wall in the region of the recess forms a surface for radial support of the extractor claw when the closure piece is locked and in the circumferential direction a recess allowing the pivoting of the extractor is arranged in the circumferential direction.
  • the extractor claw Since the extractor claw is supported radially when the closure piece is locked, it can no longer yield and forms the previously missing part of the frame enclosing the rear end of the cartridge through the closure piece. So it will tear the cartridge case in the previously endangered area. Nevertheless, the extractor can fully fulfill its function, since when it is rotated out of the locking position in the recess provided next to the support surface, it has enough play to perform the required pivoting movement. This does not result in an increase in the manufacturing effort required, since it is only a question of shaping the recess accordingly.
  • the barrel 2 is screwed in from one side (from the left according to FIG. 1) and the locking piece 3 is pushed in from the other side.
  • the closure piece 3 has locking projections 4 at its front end, and the housing is provided with longitudinal grooves 5 corresponding to these projections 4 (FIG. 2).
  • the warts 4 pass through the grooves 5, which open into a recess 6, so that the closure piece can be rotated for locking when the warts 4 pass through the grooves 5 and have reached the recess 6.
  • the locked position of the closure piece 3 is shown.
  • the closure piece 3 is provided with a resiliently pivotable cartridge extractor 7, which lies between two locking lugs 4 and ends in an extractor claw 8.
  • the one in the cartridge chamber of barrel 2 Cartridge sleeve 9 protrudes somewhat towards the rear over the barrel end and has an annular groove 10 into which the extractor claw 8 can engage.
  • the inner wall of the housing 1 forms in the region of the recess 6 a surface 11 for the radial support of the extractor claw 8 when the closure piece 3 is locked. From FIG. 2 it can be seen that a recess 12 which enables the extractor to pivot is arranged next to the support surface 11. For manufacturing reasons, the recess 12 corresponds to the longitudinal grooves 5 for the locking lugs 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

Ein Gewehrverschluß weist ein Gehäuse auf, in dem von der einen Seite der Lauf eingesetzt und von der anderen Seite das Verschlußstück einschiebbar ist. Das Verschlußstück trägt an seinem Vorderende Verriegelungswarzen, und das Gehäuse weist diesen Verriegelungswarzen entsprechende Nuten auf. Die Nuten münden in eine vom Ende des Laufes begrenzte Ausdrehung, die das Verdrehen des Verschlußstückes ermöglicht. Das Verschlußstück ist mit einem zwischen zwei Verriegelungswarzen liegenden, federnd schwenkbaren Patronenauszieher versehen, der in einer Kralle endet. Die Gehäuseinnenwand bildet im Bereich der Ausdrehung eine Fläche zur radialen Abstützung der Auszieherkralle bei verriegeltem Verschlußstück. In Umfangsrichtung neben dieser Stützfläche ist eine Ausnehmung angeordnet, die das Verschwenken des Ausziehers gestattet.

Figure imgaf001
A rifle breech has a housing in which the barrel is inserted from one side and the breech block can be inserted from the other side. The locking piece carries locking lugs at its front end, and the housing has grooves corresponding to these locking lugs. The grooves open into a recess limited by the end of the barrel, which allows the locking piece to be rotated. The closure piece is provided with a resiliently pivotable cartridge extractor lying between two locking lugs, which ends in a claw. The inner wall of the housing forms a surface in the area of the recess for radial support of the extractor claw when the closure piece is locked. A recess is arranged in the circumferential direction next to this support surface, which allows the puller to be pivoted.
Figure imgaf001

Description

Die Erfindung betrifft einen Gewehrverschluß mit einem Gehäuse od.dgl., in dem von der einen Seite der Lauf eingesetzt und von der anderen Seite das Verschlußstück einschiebbar ist, wobei das Verschlußstück an seinem Vorderende Verriegelungswarzen trägt und das Gehäuse den Verriegelungswarzen entsprechende Nuten aufweist, die in eine vom Laufende begrenzte, das Verdrehen des Verschlußstückes ermöglichende Ausdrehung münden, und wobei das Verschlußstück mit einem zwischen zwei Verriegelungswarzen liegenden, in einer Kralle endenden, federnd schwenkbaren Patronenauszieher versehen ist.The invention relates to a rifle breech with a housing or the like. In which the barrel is inserted from one side and the breech block can be inserted from the other side, the breech block carrying locking lugs at its front end and the housing having grooves corresponding to the locking lugs, which open into a rotation limited by the end, which allows the locking piece to be rotated, and the locking piece is provided with a resiliently pivotable cartridge extractor lying between two locking lugs and ending in a claw.

Ist der Gewehrlauf durch irgendeinen Fremdkörper verdämmt und wird dann ein Schuß abgegeben, so kann es durch den weit über den zulässigen Wert ansteigenden Druck der Pulvergase zu einem Reißen der in der Regel aus Messing bestehenden Patronenhülse kommen. Zwar ist die Patronenhülse im Patronenlager des Laufes fest umfaßt, doch steht sie mit ihrem Hinterende, das zum Eingreifen der Auszieherkralle eine Rille aufweist, über das Laufende in die Ausdrehung des Gehäuses vor. Innerhalb der Ausdrehung ragt das Patronenhinterende bis zum Stoßboden in das Verschlußstück ein, doch weist diese Umrahmung durch das Verschlußstück im Bereich der Auszieherkralle eine Unterbrechung auf, wobei die federnd schwenkbare Auszieherkralle dem erhöhten Gasdruck keinesfalls standhalten kann, weil sie bisher in einer Ausdrehung Bewegungsspiel hat. Der Durchmesser der Ausdrehung ist derzeit nämlich so gewählt, daß der Auszieher die zum Übergreifen des Patronenbodens bis zum Einrasten der Kralle in die Patronenrille erforderliche Schwenkbewegung unabhängig von der jeweiligen Drehstellung des Verschlußstückes durchführen kann. Kommt es zu einem Reißen der Patronenhülse im Bereich 3er Auszieherkralle, so werden durch die austretenden Pulvergase auch benachbarte Waffenteile zerstört bzw. abgesprengt, so daß höchste Verletzungsgefahr für den Schützen besteht. Darüber hinaus ergeben sich solche Beschädigungen der Waffe, daß sie nicht mehr weiter verwendbar ist.If the rifle barrel is blocked by some foreign body and a shot is fired, the pressure of the powder gases, which rises far above the permissible value, can cause the cartridge case, which is usually made of brass, to tear. Although the cartridge case is firmly enclosed in the cartridge chamber of the barrel, it protrudes with its rear end, which has a groove for engaging the extractor claw, over the barrel end into the recess of the housing. Within the recess, the rear end of the cartridge protrudes into the breech block as far as the butt plate, but this frame has an interruption due to the breech block in the area of the extractor claw, the resiliently swiveling extractor claw can not withstand the increased gas pressure in any way, because it has so far been free to move in one turn. The diameter of the recess is currently selected so that the extractor can carry out the swiveling movement required to reach over the cartridge bottom until the claw engages in the cartridge groove, regardless of the respective rotational position of the closure piece. If the cartridge case tears in the area of the 3-piece puller claw, neighboring gun parts are also destroyed or blown off by the emerging powder gases, so that the shooter is at maximum risk of injury. In addition, there is such damage to the weapon that it can no longer be used.

Demnach liegt der Erfindung die Aufgabe zugrunde, diesen Mangel zu beseitigen und einen Gewehrverschluß der eingangs geschilderten Art zu schaffen, bei dem die Gefahr der Verletzung des Schützens bzw. der Zerstörung der Waffe bei einer Laufverdämmung mit einfachen Mitteln beseitigt ist.Accordingly, the invention has for its object to remedy this deficiency and to provide a rifle breech of the type described above, in which the risk of injury to the protection or destruction of the weapon is eliminated with simple means during barrel barrage.

Die Erfindung löst die gestellte Aufgabe dadurch, daß die Gehäuseinnenwand im Bereich der Ausdrehung eine Fläche zur radialen Abstützung der Auszieherkralle bei verriegeltem Verschlußstück bildet und in Umfangsrichtung neben dieser Stützfläche eine das Verschwenken des Ausziehers ermöglichende Ausnehmung angeordnet ist.The invention solves this problem in that the housing inner wall in the region of the recess forms a surface for radial support of the extractor claw when the closure piece is locked and in the circumferential direction a recess allowing the pivoting of the extractor is arranged in the circumferential direction.

Da also die Auszieherkralle bei verriegeltem Verschlußstück radial abgestützt ist, kann sie nicht mehr nachgeben und bildet den bisher fehlenden Teil der das Patronenhinterende einschließenden Umrahmung durch das Verschlußstück. Es wird also ein Reißen der Patronenhülse in dem bisher gefährdeten Bereich.mit Sicherheit verhindert. Dennoch kann der Auszieher seine Funktion voll erfüllen, da er bei aus der Verriegelungsstellung verdrehter Lage in der neben der Stützfläche vorgesehenen Ausnehmung genügend Bewegungsspiel hat, um die erforderliche Schwenkbewegung auszuführen. Dabei ergibt sich keine Erhöhung des notwendigen Herstellungsaufwandes, da es ja nur darum geht, die Ausdrehung entsprechend zu formen.Since the extractor claw is supported radially when the closure piece is locked, it can no longer yield and forms the previously missing part of the frame enclosing the rear end of the cartridge through the closure piece. So it will tear the cartridge case in the previously endangered area. Nevertheless, the extractor can fully fulfill its function, since when it is rotated out of the locking position in the recess provided next to the support surface, it has enough play to perform the required pivoting movement. This does not result in an increase in the manufacturing effort required, since it is only a question of shaping the recess accordingly.

In der Zeichnung ist der Erfindungsgegenstand in einem Ausführungsbeispiel dargestellt, und zwar zeigen

  • Fig. 1 die wesentlichen Teile eines Gewehrverschlusses im Axialschnitt und
  • Fig. 2 im Querschnitt nach der Linie II-II der Fig. 1 bei verriegeltem Verschlußstück.
In the drawing, the subject of the invention is shown in one embodiment, namely show
  • Fig. 1 shows the essential parts of a rifle slide in axial section
  • Fig. 2 in cross section along the line II-II of Fig. 1 with the locking piece locked.

In einem mit dem nicht dargestellten Gewehrschaft verbundenen Gehäuse 1 ist von der einen Seite (von links gemäß Fig. 1) der Lauf 2 eingeschraubt und von der anderen Seite das Verschlußstück 3 eingeschoben. Das VerschluBstück 3 weist an seinem Vorderende Verriegelungswarzen 4 auf, und das Gehäuse ist mit diesen Warzen 4 entsprechenden Längsnuten 5 (Fig. 2) versehen. Beim Einschieben des Verschlußstückes 3 in das Gehäuse 1 durchlaufen die Warzen 4 die Nuten 5, die in eine Ausdrehung 6 münden, so daß das Verschlußstück zur Verriegelung verdreht werden kann, wenn die Warzen 4 die Nuten 5 durchlaufen und die Ausdrehung 6 erreicht haben. In der Zeichnung ist die verriegelte Stellung des Verschlußstückes 3 dargestellt.In a housing 1 connected to the rifle stock, not shown, the barrel 2 is screwed in from one side (from the left according to FIG. 1) and the locking piece 3 is pushed in from the other side. The closure piece 3 has locking projections 4 at its front end, and the housing is provided with longitudinal grooves 5 corresponding to these projections 4 (FIG. 2). When inserting the closure piece 3 into the housing 1, the warts 4 pass through the grooves 5, which open into a recess 6, so that the closure piece can be rotated for locking when the warts 4 pass through the grooves 5 and have reached the recess 6. In the drawing, the locked position of the closure piece 3 is shown.

Das Verschlußstück 3 ist mit einem federnd schwenkbaren Patronenauszieher 7 versehen, der zwischen zwei Verriegelungswarzen 4 liegt und in einer Auszieherkralle 8 endet. Die im Patronenlager des Laufes 2 liegende Patronenhülse 9 ragt über das Laufende etwas nach hinten vor und besitzt eine Ringrille 10, in die die Auszieherkralle 8 eingreifen kann.The closure piece 3 is provided with a resiliently pivotable cartridge extractor 7, which lies between two locking lugs 4 and ends in an extractor claw 8. The one in the cartridge chamber of barrel 2 Cartridge sleeve 9 protrudes somewhat towards the rear over the barrel end and has an annular groove 10 into which the extractor claw 8 can engage.

Die Innenwand des Gehäuses 1 bildet im Bereich der Ausdrehung 6 eine Fläche 11 zur radialen Abstützung der Auszieherkralle 8 bei verriegeltem Verschlußstück 3. Aus Fig. 2 ist ersichtlich, daß neben der Stützfläche 11 eine das Verschwenken des Ausziehers ermöglichende Ausnehmung 12 angeordnet ist. Aus fertigungstechnischen Gründen entspricht die Ausnehmung 12 den Längsnuten 5 für die Verriegelungswarzen 4.The inner wall of the housing 1 forms in the region of the recess 6 a surface 11 for the radial support of the extractor claw 8 when the closure piece 3 is locked. From FIG. 2 it can be seen that a recess 12 which enables the extractor to pivot is arranged next to the support surface 11. For manufacturing reasons, the recess 12 corresponds to the longitudinal grooves 5 for the locking lugs 4.

Claims (1)

Gewehrverschluß mit einem Gehäuse (1) od. dgl., in dem von der einen Seite der Lauf (2) eingesetzt und von der anderen Seite das Verschlußstück (3) einschiebbar ist, wobei das Verschlußstück (3) an seinem Vorderende Verriegelungswarzen (4) trägt und das Gehäuse (1) den Verriegelungswarzen (4) entsprechende Nuten (5) aufweist, die in einer vom Laufende begrenzte, das Verdrehen des Verschlußstückes (3) ermöglichende Ausdrehung (6) münden, und wobei das Verschlußstück (3) mit einem zwischen zwei Verriegelungswarzen (4) liegenden, in einer Kralle (8) endenden, federnd schwenkbaren Patronenauszieher (7) versehen ist, dadurch gekennzeichnet, daß die Gehäuseinnenwand im Bereich der Ausdrehung (6) eine Fläche (11) zur radialen Abstützung der Auszieherkralle (8) bei verriegeltem Verschlußstück (3) bildet und in Umfangsrichtung neben dieser Stützfläche (11) eine das Verschwenken des Ausziehers (7) ermöglichende Ausnehmung (12) angeordnet ist.Rifle breech with a housing (1) or the like, in which the barrel (2) is inserted from one side and the breech block (3) can be inserted from the other side, the breech block (3) at its front end locking lugs (4) carries and the housing (1) the locking lugs (4) corresponding grooves (5), which open into a limited by the end, the rotation of the closure piece (3) allowing rotation (6), and wherein the closure piece (3) with a between two locking lugs (4) lying in a claw (8) and provided with spring-pivotable cartridge extractor (7), characterized in that the inner wall of the housing in the region of the recess (6) has a surface (11) for radially supporting the extractor claw (8) forms when the closure piece (3) is locked and in the circumferential direction next to this support surface (11) there is a recess (12) which enables the puller (7) to pivot.
EP83890001A 1982-03-24 1983-01-07 Rifle breech block Expired EP0089942B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1143/82 1982-03-24
AT0114382A AT372781B (en) 1982-03-24 1982-03-24 RIFLE Breech

Publications (3)

Publication Number Publication Date
EP0089942A2 true EP0089942A2 (en) 1983-09-28
EP0089942A3 EP0089942A3 (en) 1984-09-12
EP0089942B1 EP0089942B1 (en) 1986-06-04

Family

ID=3507531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83890001A Expired EP0089942B1 (en) 1982-03-24 1983-01-07 Rifle breech block

Country Status (7)

Country Link
US (1) US4555860A (en)
EP (1) EP0089942B1 (en)
AT (1) AT372781B (en)
BR (1) BR8301496A (en)
DE (1) DE3363838D1 (en)
ES (1) ES280973Y (en)
FI (1) FI71991C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2341919A (en) * 1998-09-22 2000-03-29 Rheinmetall W & M Gmbh Cartridge case extractor
EP2697594A4 (en) * 2011-04-14 2014-10-08 Colt Defense Llc Improved extractor and bolt for a firearm

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653210A (en) * 1985-02-28 1987-03-31 Poff Jr Charles R Firearm bolt action and extractor
US4930238A (en) * 1988-04-21 1990-06-05 Poff Jr Charles R Rimfire firearm receiver
US5911173A (en) * 1996-10-18 1999-06-08 Westrom; Mark A. Breech bolt assembly for a firearm
IL160803A (en) * 2004-03-10 2010-06-16 Israel Weapon Ind I W I Ltd Safety mechanism for a rifle
US8479429B2 (en) * 2009-03-24 2013-07-09 Sturm, Ruger & Company, Inc. Firearm with quick coupling barrel system
US9057576B2 (en) 2009-03-24 2015-06-16 Sturm, Ruger & Company, Inc. Firearm with quick coupling barrel system
US8087194B1 (en) * 2009-03-24 2012-01-03 Sturm, Ruger & Company, Inc. Firearm barrel retaining system
US8505227B2 (en) * 2009-03-24 2013-08-13 Sturm, Ruger & Company, Inc. Firearm with quick coupling barrel interlock system
US8490312B2 (en) * 2009-03-24 2013-07-23 Sturm, Ruger & Company, Inc. Quick coupling barrel system for firearm
US8887427B2 (en) * 2013-01-15 2014-11-18 Smith & Wesson Corp. Extractor for self-loading firearm
US9341436B2 (en) 2014-08-13 2016-05-17 Kenneth A Frankel Gun assembly including gun action mated to gunstock by at least three zones of intentional interference fit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191200084A (en) * 1912-01-01 1912-04-18 Charles William Laird Improvements in Extractors for Fire Arms.
GB191402315A (en) * 1914-01-28 1915-01-28 Grant Hammond Improvements in Firearms.
US2807902A (en) * 1954-04-16 1957-10-01 Olin Mathieson Cartridge extractors
US3027672A (en) * 1961-04-26 1962-04-03 George C Sullivan Firearm with aluminum alloy receiver
US3253362A (en) * 1964-04-21 1966-05-31 Wilbur C Gitchell Bolt actions for rifles
US3848351A (en) * 1973-07-23 1974-11-19 Gen Electric Gun bolt
GB2024383B (en) * 1977-12-05 1982-04-21 Sterling Armament Co Ltd Extractor mechanism
AU533255B2 (en) * 1979-09-11 1983-11-10 Commonwealth Of Australia, The Firearm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2341919A (en) * 1998-09-22 2000-03-29 Rheinmetall W & M Gmbh Cartridge case extractor
US6260297B1 (en) 1998-09-22 2001-07-17 Rheinmetal W & M Gmbh Case ejecting device for a large-caliber barrel weapon
GB2341919B (en) * 1998-09-22 2002-08-07 Rheinmetall W & M Gmbh Cartridge case extractor for a large-calibre barrel weapon
EP2697594A4 (en) * 2011-04-14 2014-10-08 Colt Defense Llc Improved extractor and bolt for a firearm

Also Published As

Publication number Publication date
ATA114382A (en) 1982-12-15
BR8301496A (en) 1983-12-06
ES280973U (en) 1985-01-16
FI824470A0 (en) 1982-12-27
EP0089942A3 (en) 1984-09-12
ES280973Y (en) 1985-08-01
US4555860A (en) 1985-12-03
FI71991B (en) 1986-11-28
AT372781B (en) 1983-11-10
FI824470L (en) 1983-09-25
DE3363838D1 (en) 1986-07-10
EP0089942B1 (en) 1986-06-04
FI71991C (en) 1987-03-09

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