EP0038415B1 - Dispositif pour une amenée progressive de porteurs d'enregistrement pour un système à écrire électromécanique - Google Patents

Dispositif pour une amenée progressive de porteurs d'enregistrement pour un système à écrire électromécanique Download PDF

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Publication number
EP0038415B1
EP0038415B1 EP81101617A EP81101617A EP0038415B1 EP 0038415 B1 EP0038415 B1 EP 0038415B1 EP 81101617 A EP81101617 A EP 81101617A EP 81101617 A EP81101617 A EP 81101617A EP 0038415 B1 EP0038415 B1 EP 0038415B1
Authority
EP
European Patent Office
Prior art keywords
sheet
drive
feeder
printing
conveyor
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
Application number
EP81101617A
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German (de)
English (en)
Other versions
EP0038415A1 (fr
Inventor
Günter Baitz
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.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf International GmbH
Nixdorf Computer 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 Wincor Nixdorf International GmbH, Nixdorf Computer AG filed Critical Wincor Nixdorf International GmbH
Priority to AT81101617T priority Critical patent/ATE5641T1/de
Publication of EP0038415A1 publication Critical patent/EP0038415A1/fr
Application granted granted Critical
Publication of EP0038415B1 publication Critical patent/EP0038415B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/48—Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers, e.g. devices for switching over from handling of copy material in sheet form to handling of copy material in continuous form and vice versa or point-of-sale printers comprising means for printing on continuous copy material, e.g. journal for tills, and on single sheets, e.g. cheques or receipts

Definitions

  • the invention relates to a device for the step-by-step feeding of recording media to an electromagnetic writing mechanism, in which the respective recording media is moved past a writing line with a stepping drive and a pull-off device, in which a single sheet conveyor is provided for feeding sheet-shaped recording media to the writing line.
  • Such an additional device is, for example, the aforementioned single sheet conveyor, which can be placed on the writing mechanism and contains one or more compartments for sheet-like recording media. Separation mechanisms in the form of friction rollers are assigned to the subjects, which can be actuated by means of suitable control signals transmitted by the writing mechanism by means of electromagnetic clutches and pull single sheets from the respective subject and feed them to the writing line. After the information has been recorded in the writing mechanism, the respective single sheet can then be removed from the writing line and stored in a storage compartment.
  • the single sheet conveyor to be placed on electromagnetic writing mechanisms as an additional device is provided with a drive assigned to it and a control device for controlling the drive, and is used by the electro-mechanical writing mechanism, e.g. B. controlled by request signals.
  • Another additional device to be placed on an electromechanical writing mechanism is the endless form conveyor, with which tape-shaped record carriers can be drawn through a writing mechanism, which have perforations on their longitudinal edges, into which the barbed belts of two conveyor units engage, which are also referred to as fanfold conveyors.
  • These continuous form conveyors have so far only been used in the direction of transport of the record carrier behind the writing line when they are used on electromechanical writing mechanisms, because they pull the tape-shaped record carrier through the writing mechanism so that when they exit the continuous form conveyor, they are stored in a storage compartment with zigzag folding can.
  • an endless form conveyor with transport direction can be attached to the single sheet feeder in the same direction as the single sheet feeder, the drive of which is coupled to the drive of the single sheet feeder, and that the take-off device contains transport elements, the scope of which in the sense of a current one predetermined voltage of the respective record carrier is dimensioned or obtained.
  • the invention provides a new type of use of a continuous form conveyor, because on the one hand it is not exchanged for the single sheet conveyor during operation of the continuous form, but is attached to it, on the other hand it is not used to pull the continuous form through the writing mechanism, but rather works in the same direction as the single sheet feed, which means that he does not pull the continuous form in the state attached to the single sheet conveyor, but pushes it. This is possible because the deduction device arranged downstream of the writing line for operation with single sheets, which can also pull off the continuous form.
  • the continuous form is gradually fed with the endless form conveyor in accordance with the line-by-line recording in the typewriter, then all that is required on the endless form conveyor is a driving force that is suitable for feeding the continuous form from a supply point.
  • a driving force that is suitable for feeding the continuous form from a supply point.
  • the transport elements of the take-off device which works step-by-step synchronously with the conveying movement of the endless form conveyor, pull the endless form off the writing line, no additional force is required to loosen the continuous form in order to avoid friction occurring at deflection points to compensate rivers.
  • the new type of use of the endless form conveyor therefore requires considerably less effort for its drive. This makes it possible to couple the drive of the continuous form conveyor to the single sheet conveyor when it is attached.
  • the principle according to the invention which does not provide for the replacement of one conveyor for the other, but uses the single sheet conveyor as a permanently installed additional device to which the endless form conveyor can be attached, leads to a particularly advantageous development in that the drive of the single sheet conveyor with the stepper drive of the writing mechanism can be coupled.
  • This makes special drive devices in the area of the single sheet conveyor superfluous, and only electromagnetic clutches can be provided with which the operation of the separating devices for the single sheet feed is controlled. It has been found out that control signals for the actuation c nng such electromagnetic clutches not summarize'rntt.
  • a particularly simple drive control of the single sheet conveyor, possibly in conjunction with the endless form conveyor, is possible in that the single sheet conveyor has a toothed belt drive, the belt of which is guided via a toothed wheel provided at the coupling point with the endless form conveyor and via a gearwheel provided at the coupling point engages on the endless form conveyor or in a drive gear provided on the writing mechanism.
  • an electromechanical writing mechanism 10 is schematically shown in a side view, which contains a writing head which is displaceably mounted in its interior, for example a needle printing head, which records information line by line on a recording medium not recognizable in FIG
  • the platen roller 12 shown in dashed lines is guided around and can be manually adjusted on the outside of the writing unit 10 with a handwheel 13.
  • An electromechanical stepper drive is used to drive the platen roller, and the platen roller 12 is assigned 10 pressure rollers 14 inside the writing mechanism, which act on the record carrier passed between them and the platen roller 12, so that it is transported line by line during the stepping movement of the platen roller 12, such as this is also known for normal typewriters.
  • a single sheet conveyor 15 is arranged as an additional device, which is pivotally connected to the writing mechanism 10 at 16, so that it can be pivoted away from the writing mechanism 10 in a manner yet to be described.
  • the single sheet conveyor 15 contains in Fig. 1 dashed compartments 17 and 18, in which sheet-shaped recording medium z. B. different formats can be stored, which are then removed in a manner to be described from the compartments 17 and 18 and fed to the platen roller 12.
  • 15 separating devices can be provided in the interior of the single sheet conveyor, which can optionally be actuated with electromagnetic clutches 19 and 20 provided on the outside of the single sheet conveyor 15.
  • the electromagnetic clutches 19 and 20 belong to a drive system which, as an essential component, has a toothed belt 21 which is shown schematically in FIG.
  • the gear 29, which can belong to the single sheet conveyor 15, is a coupling gear and is decoupled from the drive gear seated on the platen axis when the single sheet conveyor 15 is pivoted away.
  • the endless form conveyor 30 contains at least two spiked belt drives, which is indicated in FIG. 1 by the dashed line 31. Further, 28 coupled further gear wheels 32 and 33 are provided with the drive gear, the h for a suitable transport direction and Transportgesr windiness ensure the continuous form feeder 30th
  • the drive gear 28 of the endless form conveyor 30 is arranged so that it engages in the toothed roller 26 of the toothed belt 21 when the endless form conveyor 30 is attached to the single sheet conveyor 15. If the endless form conveyor 30 is removed, the drive gear 28 is uncoupled from the toothed roller 26 of the toothed belt 21.
  • Fig. 1 makes it particularly clear that the drive of the two additional devices, i.e. the single sheet conveyor 15 and the endless form conveyor 30, takes place from the step drive of the electromechanical writing mechanism 10, so that there is no separate drive for the single sheet conveyor 15 and the endless form conveyor 30 and no separate logic control circuit is required.
  • the electrical control signals required to actuate the electromagnetic clutches 19 and 20 can be derived from a logic control circuit which is already part of the electromechanical writing mechanism 10.
  • FIG. 2 shows a schematic sectional illustration of the overall device according to FIG. 1.
  • This illustration illustrates the principle of the internal structure of the three devices 10; 15 and 30 in association with each other.
  • This principle corresponds to the design customary in office machine technology with two side plates between which the various movable elements are mounted.
  • a board 40 of the single sheet conveyor can thus be seen, which is pivotally connected to the writing mechanism 10 at 16 and has two bolts 41 and 42, into which a board 50 of the endless form conveyor 31 is suspended with an arm 51 , which is provided with suitable recesses 52 and 53.
  • a corresponding structure is also provided for the other side of the overall device, which is not shown in the sectional view according to FIG. 2 and of which the outside is shown in FIG. 1.
  • a logic control circuit 80 in connection with an electric drive motor 81 and a main drive gear 82 are provided in the electromechanical writing mechanism 10.
  • the main drive gear 82 rotates the platen roller 12 step by step via a further gear, not shown in FIG., On the platen axis, for which purpose the drive motor 81 is operated step by step by the logic control circuit 80.
  • the sheet compartments 17 and 18 contain sheet-shaped recording media 55 which, when the separating devices 56 and 57 are actuated, are fed to the platen roller 12 via a guide plate 58 and 59 with the electromagnetic clutches 19 and 20 shown in FIG. 1.
  • they arrive according to known office machine technology between the platen roller 12 and the pinch rollers 14 and are guided around the platen roller 12 in a manner not shown. They are then picked up by a take-off device which consists of lower transport and pressure rollers 60 and 61 and upper transport and pressure rollers 62 and 63.
  • the transport rollers 60 and 61 sit on an axis which is rotated by the toothed roller 23 and 25 shown in FIG. 1 over the toothed belt 21.
  • the removal device causes the recording media to be pulled off the platen and placed in a storage compartment 64 when the sheet-shaped recording media emerge from the nip of the transport and pressure rollers 62 and 63.
  • FIG. 2 only gives a hint of the above-described guidance of sheet-shaped recording media, reference being made to the arrows provided in the separating devices 56 and 57.
  • the transport path of an endless form 65 is clearly shown, which is fed to the endless form conveyor 30 at 54 and taken up by its transport devices 31.
  • the continuous form then runs through a gap which is formed by the bottom of the receiving compartment 64 and a guide plate 66.
  • This guide plate is curved on its front edge so that the continuous form 65 is guided downwards.
  • a further guide plate 67 can optionally be provided.
  • the continuous form then arrives at the writing line, for which purpose it is guided around the platen roller 12 in a manner known per se and is fed in a manner not shown to the take-off device with the transport and pressure rollers 60 and 61 or 62 and 63.
  • the continuous form is not passed into the sheet compartment 64 when it emerges from the gap between the rollers 62 and 63, but is fed via a guide surface 68 to an exit point 69, where it can be stored in a known manner, for example in a zigzag fold.
  • the guide surface 68 can be designed, for example, in the form of a lattice and upon removal of the continuous form conveyor 30 can also be removed from the single sheet conveyor 15, for which purpose they are e.g. B. can be arranged in sliding guides (not shown), which are provided on the boards 40 of the single sheet conveyor 15.
  • the pressure rollers 61 and 63 can be released from their position shown in FIG. 2, as indicated by the arrows next to them. This can be advantageous when pulling in an endless form 65, in order to eliminate any directional errors that may occur, since the continuous form is to be guided at 69 at the exit point 54 exactly at the exit at 69.
  • the alignment in the sense of such a parallel guidance takes place automatically when the pressure rollers 61 and 63 are released and the transport movement is carried out.
  • the pressure rollers 14 on the platen roller 12 can be released from the platen roller 12 in continuous form operation, which is also shown in FIG. 2 by an arrow.
  • the solution of the pressure rollers 14 from the platen roller 12 is expedient because the continuous form 65 is only by the take-off device with the rollers 60; 61; 62 and 63 is pulled and pushed through the endless form conveyor 30.
  • this conveying principle requires only a very small transport force for the endless form 65, because the tension of the endless form 65 is not so great that increased frictional losses would occur due to its repeated deflection.
  • the diameters of the transport rollers 60 and 62 of the take-off device are selected such that there is no sagging of the endless form 65 when it is being fed through the endless form conveyor 30.
  • the surface of the transport rollers 60 and 62 can also be coated with a material which allows a certain slip between the transport rollers 60 and 62 and the continuous form 65 as soon as a limit value of the tensile stress of the continuous form 65 is exceeded.
  • a photoelectric unit 90 is indicated schematically.
  • This can be, for example, an arrangement of a light transmitter and a light receiver, which emits an electrical signal when the reflectance of the surface opposite it changes, i. i.e. when the dark platen surface is covered by a recording medium. is covered and the edge of which passes the photoelectric unit 90.
  • the signal it emits can then advantageously be used to control the logic control circuit 80 of the writing mechanism 10 in the sense of starting the printing process.
  • the signal which indicates the arrival of a single sheet on the writing line and thus the safe assumption of transport by the stepping drive of the writing mechanism 10, controls the switching off of the electromagnetic clutch 19 via the logic arrangement 80; 20 of the respective separating device 56; 57.
  • the derivation of control criteria immediately before the writing line eliminates errors and inaccuracies in sheet transport which were previously unavoidable when compiling writing mechanisms and single sheet conveyors.
  • Fig. 3 shows a reduced view of an operating position of the device with an assumed endless belt conveyor 30.
  • the single sheet conveyor 15 is pivoted at 16 from the writing mechanism 10 so that the platen roller 12 is accessible from above to a sheet-like recording medium, as in a normal typewriter to move in manually. This is indicated by the dash-dotted line 95.
  • FIG. 3 also shows a claw device 92 which can be actuated by a hand lever 93 provided on the other side of the single sheet conveyor 15 in order to decouple it from the axis of the platen roller 12.
  • a claw device 92 with hand lever 93 can be provided on both sides of the single sheet conveyor 15 and is expediently provided with a biasing spring 94 which tensions the claw device 92 so that it is always held on the axis of the platen roller 12.
  • the take-off device can advantageously also be designed with endless conveyor belts instead of rollers 60 to 63, the conveyor belts each being guided in pairs adjacent to one another and between the respective recording media ger record.
  • the dimensioning of such transport elements is to be carried out analogously to the above statements about the diameter of the transport rollers 60 and 62, with the deflection rollers provided for the endless conveyor belts being dimensioned accordingly.
  • a construction according to the invention can be used in connection with any type of writing mechanism.
  • a platen roller is immaterial for the operation of the device described.
  • typewriters can also be equipped with the device according to the invention which, instead of a platen, contain a fixed writing ruler as a counterpart for a needle printhead, for example.

Claims (14)

1. Dispositif destiné à amener pas à pas des supports d'enregistrement (55; 65) à un enregistreur électro-mécanique (10) et dans lequel un mécanisme de commande pas à pas et un dispositif de traction (60; 62) font passer le support d'enregistrement concerné (55; 65) devant une ligne d'enregistrement, un transporteur (15) de feuilles individuelles étant prévu pour amener des supports d'enregistrement en forme de feuilles (55) à la ligne d'enregistrement, caractérisé en ce qu'au transporteur (15) de feuilles individuelles peut être rapporté un transporteur (30) de formulaires en continu présentant le même sens de transport que l'amenée de feuilles individuelles et dont l'organe de commande (28) est en prise avec l'organe d'entraînement (21) du transporteur (15) de feuilles individuelles et en ce que le dispositif de traction comporte des organes transporteurs (60; 62) dont la périphérie est dimensionnée et/ou réalisée de façon à soumettre le support d'enregistrement concerné (55; 65) constamment à une tension préétablie.
2. Dispositif selon la revendication 1, caractérisé en ce que la commande du transporteur (15) de feuilles individuelles est couplée avec le moteur pas à pas (81) de l'enregistreur (10).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'il est prévu un enregistreur équipé d'un cylindre d'impression (12) couplé avec le moteur pas à pas (81) et dont les rouleaux de pression (14) peuvent être dégagés du cylindre d'impression (12) en cas d'enregistrement sur des formulaires en continu (65).
4. Dispositif selon la revendication 3, caractérisé en ce que la commande du transporteur (15) de feuilles individuelles se réalise par mise en prise avec l'axe du cylindre d'impression.
5. Dispositif selon la revendication 4, caractérisé en ce que le transporteur (15) de feuilles individuelles présente un mécanisme d'entraînement à courroie crantée (21; 22 à 27) dont la courroie (21) est guidée par l'intermédiaire d'une roue dentée (22; 26) prévue respectivement au niveau de la mise en prise avec le transporteur (30) de formulaires en continu et au niveau de la mise en prise avec l'enregistreur (10) et qui engrène, éventuellement par l'entremise d'une roue dentée intermédiaire (29), avec une roue dentée motrice prévue respectivement sur le transporteur (30) de formulaires en continu et sur l'enregistreur (10).
6. Dispositif selon la revendication 5, caractérisé en ce que la roue dentée motrice prévue sur l'entregistreur (10) est montée sur l'axe du cylindre d'impression.
7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le dispositif de traction comporte des rouleaux de pression (61; 63) disposés en regard des rouleaux transporteurs (60; 62) et qui peuvent à volonté être dégagés de la position d'appui.
8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le transporteur (15) de feuilles individuelles est monté sur l'enregistreur (10) au moyen d'un organe de basculement (16) de façon à pouvoir basculer de telle sorte qu'en étant ainsi écarté il libère l'enregistreur (10) de manière à permettre d'introduire les feuilles et de faire fonctionner l'enregistreur manuellement.
9. Dispositif selon la revendication 8, caractérisé en ce que le verrouillage du transporteur de feuilles individuelles sur l'enregistreur (10) se réalise au niveau de l'axe du cylindre d'impression au moyen de griffes (92) soumises à une tension initiale par des ressorts et pouvant être actionnées manuellement.
10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le transporteur (15) de feuilles individuelles comporte au moins un compartiment (17; 18), de préférence incliné vers le bas dans le sens du mouvement de transport, pour des supports d'enregistrement en forme de feuilles (55), auquel compartiment est associé respectivement un dispositif d'individualisation (56; 57) qui au moyen d'un embrayage électromagnétique (19; 20) peut être mis en prise avec un organe d'entraînement pas à pas (21) et en ce que l'embrayage électromagnétique concerné (19; 20) peut être commandé de préférence par des signaux de commande obtenus à partir de l'organe de commande logique (80) de l'enregistreur (10).
11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que directement à côté de la ligne d'enregistrement de l'enregistreur est disposée une unité optoélectronique (90) qui est orientée en direction d'un support d'enregistrement (55) amené à la ligne d'enregistrement et est reliée à l'organe de commande logique (80) de l'enregistreur.
12. Dispositif selon la revendication 10 ou 11, caractérisé en ce que plusieurs compartiments (17; 18) sont prévus de préférence pour différents formats de feuilles.
13. Dispositif selon l'une quelconque des revendications 10 à 12, caractérisé en ce qu'au-dessus du compartiment ou des compartiments (17; 18) est prévue unévoie de transport (66), sensiblement parallèle à ces derniers, pour un formulaire en continu (65) sortant du transporteur (30) de formulaires en continu et à la suite de laquelle se trouve un guide de descente (67) au moyen duquel le formulaire en continu (65) est guidé en direction de la ligne d'enregistrement en suivant un parcours qui converge avec le parcours de transport (58; 59) de supports d'enregistrement en forme de feuilles (55) et en ce qu'il est prévu un parcours d'évacuation commun pour des supports d'enregistrement en forme de feuilles (55) et pour des formulaires en continu (65).
14. Dispositif selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le transporteur (30) de formulaires en continu présente sur ses platines latérales (50) des bras de retenue (51) qui sont munis d'évidements (52; 53) lui permettant d'être suspendu entre des bouts d'axe (41; 42) qui sont prévus sur les platines latérales (40) du transporteur (15) de feuilles individuelles.
EP81101617A 1980-04-15 1981-03-06 Dispositif pour une amenée progressive de porteurs d'enregistrement pour un système à écrire électromécanique Expired EP0038415B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81101617T ATE5641T1 (de) 1980-04-15 1981-03-06 Einrichtung zur schrittweisen zufuehrung von aufzeichnungstraegern an ein elektromechanisches schreibwerk.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3014430A DE3014430C2 (de) 1980-04-15 1980-04-15 Einrichtung zur schrittweisen Zuführung von Aufzeichnungsträgern an ein elektromechanisches Schreibwerk
DE3014430 1980-04-15

Publications (2)

Publication Number Publication Date
EP0038415A1 EP0038415A1 (fr) 1981-10-28
EP0038415B1 true EP0038415B1 (fr) 1983-12-21

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EP81101617A Expired EP0038415B1 (fr) 1980-04-15 1981-03-06 Dispositif pour une amenée progressive de porteurs d'enregistrement pour un système à écrire électromécanique

Country Status (4)

Country Link
US (1) US4391542A (fr)
EP (1) EP0038415B1 (fr)
AT (1) ATE5641T1 (fr)
DE (1) DE3014430C2 (fr)

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DE347829C (de) * 1922-01-26 Curt Gerson Dipl Ing Drehrohrofen zur Verbrennung von Hausmuell
US3639111A (en) * 1969-01-30 1972-02-01 Univ California Method and apparatus for preventing formation of atmospheric pollutants in the combustion of organic material
DE2356294A1 (de) * 1973-11-10 1975-05-15 Air Preheater Verfahren zur verbrennung von abfaellen
US4142867A (en) * 1974-07-04 1979-03-06 Karl Kiener Apparatus for the production of combustible gas
DE2549076A1 (de) * 1975-11-03 1977-05-12 Kraftanlagen Ag Einrichtung zur verbrennung von abfallstoffen
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WO1981000112A1 (fr) * 1979-07-05 1981-01-22 Kiener Karl Procede et installation pour la gazeification de combustibles en morceaux

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US4391542A (en) 1983-07-05
ATE5641T1 (de) 1984-01-15
DE3014430C2 (de) 1984-08-23
EP0038415A1 (fr) 1981-10-28

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