EP0516598B1 - Pince avec introduction avant et côté facultative - Google Patents

Pince avec introduction avant et côté facultative Download PDF

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Publication number
EP0516598B1
EP0516598B1 EP92850082A EP92850082A EP0516598B1 EP 0516598 B1 EP0516598 B1 EP 0516598B1 EP 92850082 A EP92850082 A EP 92850082A EP 92850082 A EP92850082 A EP 92850082A EP 0516598 B1 EP0516598 B1 EP 0516598B1
Authority
EP
European Patent Office
Prior art keywords
pliers
members
die
pair
leg
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
EP92850082A
Other languages
German (de)
English (en)
Other versions
EP0516598A1 (fr
Inventor
Ulrich Wiebe
Hans Undin
Gerd Weber
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP0516598A1 publication Critical patent/EP0516598A1/fr
Application granted granted Critical
Publication of EP0516598B1 publication Critical patent/EP0516598B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • B25B7/04—Jaws adjustable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/042—Hand tools for crimping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53222—Means comprising hand-manipulatable implement
    • Y10T29/53226—Fastening by deformation

Definitions

  • the present invention relates to pliers into which objects to be machined in a pair of punches can be inserted from at least two directions, and in particular to crimping pliers for attaching contact elements such as wire end ferrules or the like to electrical conductors.
  • pliers with side entry i.e. in the direction perpendicular to the device plane
  • pliers with front entry front entry
  • Device level is understood here to mean the level in which the handles of a pair of pliers are located and move, and in which the stamp also moves.
  • Front introduction means an introduction of the processing object into the pair of punches from the front end of the device, in the device plane and in the longitudinal direction of the device body and / or the handles.
  • pliers can be divided into those with scissor-like mutual movement (pivoting movement) of the punches or jaws or the legs carrying them or the like, and those with vice-like (parallel) mutual movement of the links mentioned.
  • the pair of jaws is articulated by means of one of the rear extensions on the outside of one of the leg parts in such a way that it can be rotated about an axis lying in the device plane, so that the entire pair of jaws can be pivoted out of the device plane.
  • a drive rod is slidably arranged between the two parts mentioned, which goes through openings in the other leg part and in the extension of the other jaw.
  • the purpose of the rotatable arrangement of the pair of jaws is to considerably reduce the cost share in the storage of pliers, but the device does not allow a choice between front introduction in the sense of the definition given above and side introduction; the jaws only allow side entry.
  • the pair of jaws arranged on the outside of one leg part forms a structure which protrudes from the conventional outline of a pair of pliers and increases the dimensions of the device.
  • the jaws, particularly in their pivoted-out position, cannot apply as much force to the processing object as if it were within a pair of legs. And vigorous loading is e.g. required when crimping certain contact elements.
  • GB-A 2 072 081 by the applicant describes a pair of pliers with side entry with a pair of handles extending in a device plane, a pair of leg members connected to the handles and being movable between a maximum distance and a minimum distance from one another and having a free end have an inner side facing the other leg member, and with a pair of cooperating stamp members which can be acted upon by the leg members and which are arranged on the inside of each of the leg members in the region of its free end.
  • One of the leg members is pivotally connected by means of a spring-loaded pin.
  • Each stamp member can be pivoted about a pivot axis running perpendicular to the device plane and an alignment element is provided in order to maintain the mutual parallel position of the two punch members.
  • the object of the present invention is to create a pair of pliers which optionally allows lateral or frontal insertion without noticeably larger dimensions and / or reduced load capacity compared to a comparable conventional pliers.
  • the pliers 1 according to FIG. 1 has two leg parts 12, 22 and two handles 11, 21, of which the leg part 12 and the handle 11 are combined to form a rigid device body 10, and the handle 21 can be pivoted to the one by means of a pin 23 independent leg member forming leg portion 22, or a rear extension portion 22 'thereof, is connected.
  • the handles 11, 21 lie in a common plane, the drawing plane of FIG. 1, which is the device plane.
  • the leg member 22 is pivotally connected to the device body 10 by means of a spring-mounted pin 24, in a manner which is outside the scope of the present invention and is described in more detail, for example, in British Patent 2,072,081 mentioned at the beginning.
  • the leg members 12, 22 can be moved between a position of maximum mutual distance and a position of minimum mutual distance.
  • a lower punch 32 or upper punch 42 are rotatable in the leg parts 12 and 22 about a common axis of rotation D (FIGS. 2 and 3) lying in the device plane, and at the same time pivotable about one perpendicular to the device plane Pivot axis S (Fig. 5) mounted.
  • the punch members 32 and 42 are arranged on the mutually facing inner sides of the leg parts 12, 22, in the region of the free ends of the leg parts.
  • the upper stamp 42 has a substantially square (FIG. 5) base plate 43, from one side (the lower one of FIG. 2) of which a convex stamp element 44 protrudes.
  • a pivot pin 45 protrudes from the opposite (the upper) side of the base plate 43, which can be seen more clearly as the pivot pin 45 'in FIG. 2 and which serves for the rotatable mounting of the upper punch 42 in the leg member 22.
  • the lower punch 32 has a base plate 33 of the same shape, i.e. likewise essentially square, on the one side (the upper one in FIG. 3) of which a concave stamp element 34 corresponding to the stamp element 44 is arranged.
  • a pivot 35 protrudes, which is identical to the pivot 45 and can be seen more clearly as the pivot 35 'in FIG. 3; it serves for the rotatable mounting of the lower stamp 32 in the leg part 12.
  • the lower and the upper stamp together form a pair of cooperating stamp members 32, 42.
  • An upper punch 42 ' accordinging to FIG. 2 has a convex stamp element 44' which is somewhat modified with respect to FIG. 1A and a pivot pin 45 'which has an axial threaded bore 45'b and four depressions 45'a on the circumference.
  • a lower punch 32 ' accordinging to the invention has a concave stamp element 34' corresponding to the convex stamp element 44 ', and a pivot pin 35' identical to the pivot pin 45 'with an axial threaded bore 35'b and four depressions 35'a on the circumference.
  • each cylindrical guide pins 46 and 46' are also embedded or anchored, which protrude on the same side as the convex stamp element 44 or 44 '.
  • the base plate 33 and 33 ' which is considerably thicker than the base plate 43 and 43', there are two receiving openings 33'a provided with the same cross-section for the guide pins 46, 46 '.
  • the free length L of the guide pins 46, 46 ' is selected such that the guide pins 46, 46' engage with one end part in the receiving openings 33'a even when the two punch members 33 ', 43' are at a maximum distance.
  • the length of the receiving openings 33'a is at least equal to the maximum mutual distance of the two punch members 33 ', 43' plus the length of the end part mentioned.
  • the thickness B of the base plate 33 or 33 'must understandably correspond to the same condition, or it can possibly be greater, namely if the receiving openings 33'a are designed as blind holes.
  • This dimensioning means that the guide pins 46, 46 'can never leave the receiving openings 33'a with their free ends, but also can never protrude with their free ends from the opposite side of the base plate 33'. The latter circumstance could interfere with the setting of any rotational positions of the pair of punches.
  • the two guide pins 46, 46 'and the receiving openings 33'a which are preferably arranged in the region of diagonally opposite and advantageously rounded corners such as 43a (FIG. 5) of the base plates 33, 33' and 43, 43 ', respectively a driver element, which ensures identical rotational position of the two punch members 32, 42 without impairing their mutual approach movement.
  • the entrainment member 33'a, 46 ' also fulfills a second function, namely that of an aligning member, which ensures the mutually parallel position of the two punch members 32, 42 (in principle, of course, the entrainment and aligning function can also be provided by separate members).
  • the pliers 1, i.e. Both the device body 10 and the leg member 22 are produced in a manner known per se from two parallel side plates such as 22a, 22b (FIG. 5), which are formed by means of rivets such as 22 ′′ and spacing elements such as 22 ′′ a (FIG. 5 ) at a selected mutual distance, ie with an empty space Z (Fig. 5).
  • pivots 35, 35 ', 45, 45' are in this space Z (and in the corresponding space in the leg part 12) rotatably mounted, with advantage by means of identical inserts 50, preferably made of plastic, according to FIG. 4.
  • the inserts 50 are essentially U-shaped, with two arm parts 50a, 50b, which are connected by a web part 50c, and have tapered free ends.
  • Circular or cylindrical indentations 50a ', 50b' are provided in the inner sides of the arm parts 50a, 50b, the parts of a single cylindrical pivot bearing with a radius of curvature which is substantially equal to that of the cross-sectional area of the pivot pins 35, 35 ', 45, 45' , form.
  • the arm parts 50a, 50b also have on their outer sides, for example in the region of the indentations 50a ', 50b' in the inner sides, short stub axles 50a '', 50b '', the length of which is of the order of the thickness A (FIG. 5) Side plates 22a, 22b lies. Bearing openings 22a ', 12a' for the stub axles 50a '', 50b '' are provided in the side plates 22a, 22b. Analog openings are also provided in the side plates of the leg part 12.
  • the stub axles 50a ′′, 50b ′′ represent the pivot axis S of the respective punch member 32 ′, 42 ′.
  • the two inserts 50 are first inserted with their stub axles 50a ′′, 50b ′′ into the openings 12a ′, 22a ′ in the leg parts 12, 22 by slightly compressing their arm parts.
  • pivot pins 35, 35 ', 45, 45' which embody the axis of rotation D of the punch members 32, 42, are then inserted into the bulges 50a ', 50b'.
  • the length of the pivot pin 35 etc. corresponds to the width G of the arm parts 50a, 50b of the insert 50.
  • a washer 52 is fastened to the free end of the pivot pin 35 etc. by means of a screw 51 screwed into the axial threaded bore 35'b, 45'b .
  • the outer diameter F of the washer 52 is smaller than the mutual distance C of the inner surfaces of the side plates, such as 22a, 22b, and larger than the mutual distance E of the inner surfaces of the arm parts 50a, 50b in the region of the Indentations 50a ', 50b'.
  • the pair of punches 32, 42, 32 ', 42' can thus be transferred in any direction from the position according to FIG. 1A for the lateral introduction of a processing object into the position according to FIG. 1B for front introduction (and of course also in any intermediate position).
  • the two punch members 32, 42, 32 ', 42' are connected by the driver member 33'a, 46 'for common rotation, it is sufficient if a snap-in member is provided only for one of the punch members.
  • the latching element can also be used elsewhere, e.g. be arranged on the mutually facing surfaces of the leg parts and the base plates, and in principle the snap-in function can be omitted at all.
  • the driving element can also be designed differently, and e.g. consist of a single guide pin of non-circular cross-section and a corresponding receiving opening.
  • the stamp members can have a plurality of stamp elements for processing objects of different sizes in a manner known per se.
  • the invention is of course also applicable to pliers where both leg parts are rigidly connected to the handles or where both leg parts are articulated to the handles.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (9)

  1. Pince dans laquelle peuvent être introduits des objets à traiter qui sont à traiter dans une paire de poinçons, incluant une paire de poignées (11, 21) qui s'étendent dans un plan du dispositif, une paire d'organes de branche (12, 22), qui sont raccordés aux poignées (11,21) et mobiles entre une position d'éloignement relatif maximal et une position d'éloignement relatif minimal et comportent une extrémité libre et un côté intérieur tourné vers l'autre organe de branche, et une paire d'organes de poinçons (32, 42) coopérants auxquels peuvent être appliqués les organes de branches (12, 22) et qui sont disposés chacun sur le côté intérieur de l'un des organes de branche dans la zone de son extrémité libre, chaque organe de poinçon (32, 42) pouvant pivoter autour d'un axe de pivotement de tracé perpendiculaire au plan du dispositif et un organe d'alignement étant prévu afin de maintenir la position relative parallèle des deux organes de poinçon, caractérisée en ce que les organes de poinçon (32, 42) peuvent tourner autour d'un axe de rotation (D) situé dans le plan du dispositif et qu'un élément entraîneur (33'a, 46') dont les éléments sont respectivement disposés sur l'un des organes de poinçon (32, 42) et qui n'influence pas le mouvement relatif des éléments de branche (12, 22) est prévu pour assurer la rotation coïncidente des éléments de poinçons (32, 42) autour de l'axe de rotation (D) mentionné ci-dessus, d'une manière telle que la paire de poinçons peut être amenée à une position de rotation souhaitée pour l'introduction de l'objet à traiter, y compris une position de rotation pour une introduction frontale et une position de rotation pour une introduction latérale.
  2. Pince selon la revendication 1, caractérisée en ce que l'organe entraîneur (33'a, 46') inclut, sur l'un des éléments de poinçon (33, 44), au moins un, et de préférence deux tenons de guidage (46') disposés face à face en diagonale et, dans l'autre élément de poinçon, une ouverture réceptrice (33'a) ménagée pour chaque tenon de guidage dans laquelle le tenon de guidage pénètre par une partie d'extrémité de sa longueur libre (L) même lorsque la distance relative des deux éléments de poinçon (33', 43') est maximale.
  3. Pince selon la revendication 2, caractérisée en ce que la longueur de l'ouverture réceptrice (33'a) correspond au moins à la distance relative maximale des deux éléments de poinçon (32', 42') augmentée de la longueur de la partie d'extrémité du tenon de guidage (46') qui pénètre à cette distance dans l'ouverture réceptrice (33'a), l'élément de poinçon (33') dans lequel est ménagée l'ouverture réceptrice (33'a) incluant une plaque de base (33'a) d'une épaisseur au moins égale (B) de façon que les tenons de guidage (46') ne puissent ni quitter par leurs extrémités libres les ouvertures réceptrices (33'a), ni faire saillie par leurs extrémités libres hors des côtés opposés de la plaque de base (33').
  4. Pince du type cisaille selon l'une des revendications précédentes, caractérisée en ce que l'organe entraîneur (33'a, 46') est en même temps l'organe d'orientation.
  5. Pince selon la revendication 4, qui est constituée de deux plaques latérales parallèles disposées en laissant entre elles un espace intermédiaire, caractérisée en ce que chaque élément de poinçon (32, 42) comporte sur le côté arrière un tourillon en saillie (35', 45') qui est logé à rotation dans la partie de branche correspondante (12, 22) dans l'espace intermédiaire mentionné (Z).
  6. Pince selon la revendication 5, caractérisée par un insert en forme de U (50) qui sert à relier à rotation et à pivotement le tourillon (35', 45') à la partie de branche (12, 22) et qui inclut deux parties de bras (50a, 50b) reliées par une partie de pont (50c), un évidement circulaire ou cylindrique (50a', 50b') étant ménagé dans le côté intérieur de chacune des parties de bras (50a, 50b) d'une manière telle que les deux évidements constituent ensemble un palier de rotation cylindrique pour le tourillon (35', 45') et que de courts faux arbres (50a'', 50b'') qui constituent l'axe de pivotement mentionné (S) sont prévus dans les côtés intérieurs sur les côtés extérieurs des parties de bras dans la zone des évidements (50a', 50b') et des ouvertures correspondantes (12a', 22a') sont prévus dans les plaques latérales (22a, 22b) pour recevoir ces faux arbres.
  7. Pince selon la revendication 6, caractérisée en ce que des ouvertures filetées axiales (35'b, 45'b) sont ménagées dans les tourillons (35, 35', 45, 45') et que les tourillons (35', 45') sont maintenus par des rondelles (52) dans les inserts (50) dont le diamètre extérieur (F) est plus petit que la distance mutuelle (C) entre les surfaces intérieures des plaques latérales (22a, 22b), et est plus grand que la distance mutuelle (E) entre les surfaces intérieures des parties de bras (50a, 50b) de l'insert (50) dans les évidements (50a', 50b').
  8. Pince selon l'une des revendications précédentes, caractérisée par un organe d'encliquetage pour fixer une position de rotation choisie de la paire de poinçons (32, 42).
  9. Pince selon la revendication 8, caractérisée en ce que l'organe d'encliquetage se compose d'approfondissements (35'a, 45'a) sur au moins l'un des tourillons (35, 35', 45, 45') et d'un élément d'encliquetage sollicité élastiquement pénétrant dans ces approfondissements.
EP92850082A 1991-05-27 1992-04-10 Pince avec introduction avant et côté facultative Expired - Lifetime EP0516598B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4117305A DE4117305C2 (de) 1991-05-27 1991-05-27 Zange zum Ergreifen und/oder Verpressen von Bearbeitungsgegenständen
DE4117305 1991-05-27

Publications (2)

Publication Number Publication Date
EP0516598A1 EP0516598A1 (fr) 1992-12-02
EP0516598B1 true EP0516598B1 (fr) 1994-11-09

Family

ID=6432539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92850082A Expired - Lifetime EP0516598B1 (fr) 1991-05-27 1992-04-10 Pince avec introduction avant et côté facultative

Country Status (4)

Country Link
US (1) US5228325A (fr)
EP (1) EP0516598B1 (fr)
JP (1) JPH0818258B2 (fr)
DE (2) DE4117305C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3904007A1 (fr) 2020-04-28 2021-11-03 WEZAG GmbH & Co. KG Matrice de pince à sertir et pince à sertir
EP3904006A1 (fr) 2020-04-28 2021-11-03 WEZAG GmbH & Co. KG Matrice de pince à sertir et pince à sertir
EP3984702A1 (fr) 2020-10-19 2022-04-20 WEZAG GmbH & Co. KG Pince à serrer et procédé de montage d'une unité de moitiés de matrice

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DE4323029C2 (de) * 1993-07-09 1995-07-06 Weidmueller Interface Zange mit Arbeitsaufsatz
DE9315482U1 (de) * 1993-10-13 1994-01-05 Vogl Erich R Zangenartiges Werkzeug zum formschlüssigen Verbinden von Blechteilen
DE19514053A1 (de) * 1994-11-21 1996-05-23 Mecanismos Aux Ind Halbautomatische Kabelpreßvorrichtung
DE19728685A1 (de) * 1997-07-04 1999-01-07 Weidmueller Interface Zange
US6038909A (en) * 1998-07-17 2000-03-21 Zink; Joe M. Portable sheet metal brake
DE29914764U1 (de) * 1999-08-24 2001-01-04 Connectool Gmbh & Co Zange
JP2010500047A (ja) 2006-08-15 2010-01-07 エージェンシー フォー サイエンス，テクノロジー アンド リサーチ 間葉系幹細胞馴化培地
EP2254586B1 (fr) 2008-02-22 2015-04-08 Agency For Science, Technology And Research (A*star) Particules de cellules souches mésenchymateuses
DE102008012011B3 (de) * 2008-03-01 2009-12-03 Wezag Gmbh Werkzeugfabrik Zangenkopf
WO2009116951A2 (fr) 2008-03-17 2009-09-24 Agency For Science, Technology And Research Microsupports pour culture de cellules-souches
US10010954B2 (en) 2008-11-05 2018-07-03 Hubbell Incorporated Cutter
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WO2014099876A1 (fr) * 2012-12-18 2014-06-26 Smart Wire Grid, Inc. Appareillage d'installation pour installer des dispositifs sur des lignes de transport d'électricité
WO2015140005A1 (fr) 2014-03-19 2015-09-24 Ifom Fondazione Istituto Firc Di Oncologia Molecolare Procédé de génération de cellules pluripotentes
US20190231694A1 (en) 2016-10-12 2019-08-01 Agency For Science, Technology And Research Method for lyophilising an exosome
DE102018101159A1 (de) 2017-12-01 2019-06-06 Rennsteig Werkzeuge Gmbh Pressbacken, sowie Presszange mit zwei Zangenbacken
DE102017128584A1 (de) 2017-12-01 2019-06-06 Rennsteig Werkzeuge Gmbh Presszange
US11303083B2 (en) * 2019-11-08 2022-04-12 Snap-On Incorporated Pliers with angled crimping opening
DE102022107168A1 (de) 2021-12-17 2023-06-22 Rennsteig Werkzeuge Gmbh Presszange mit zwei Zangenbacken

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3904007A1 (fr) 2020-04-28 2021-11-03 WEZAG GmbH & Co. KG Matrice de pince à sertir et pince à sertir
EP3904006A1 (fr) 2020-04-28 2021-11-03 WEZAG GmbH & Co. KG Matrice de pince à sertir et pince à sertir
US11631957B2 (en) 2020-04-28 2023-04-18 Wezag Gmbh & Co. Kg Crimping pliers die and crimping pliers
US11967795B2 (en) 2020-04-28 2024-04-23 Wezag Gmbh & Co. Kg Crimping pliers die and crimping pliers
EP3984702A1 (fr) 2020-10-19 2022-04-20 WEZAG GmbH & Co. KG Pince à serrer et procédé de montage d'une unité de moitiés de matrice

Also Published As

Publication number Publication date
JPH0818258B2 (ja) 1996-02-28
EP0516598A1 (fr) 1992-12-02
DE4117305A1 (de) 1992-12-03
DE59200763D1 (de) 1994-12-15
DE4117305C2 (de) 1994-07-21
JPH05154769A (ja) 1993-06-22
US5228325A (en) 1993-07-20

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