EP0488956A1 - Sewing machine - Google Patents

Sewing machine Download PDF

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Publication number
EP0488956A1
EP0488956A1 EP91810918A EP91810918A EP0488956A1 EP 0488956 A1 EP0488956 A1 EP 0488956A1 EP 91810918 A EP91810918 A EP 91810918A EP 91810918 A EP91810918 A EP 91810918A EP 0488956 A1 EP0488956 A1 EP 0488956A1
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EP
European Patent Office
Prior art keywords
slide
drive
sewing machine
axis
shaft
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
EP91810918A
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German (de)
French (fr)
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EP0488956B1 (en
Inventor
Antonio Jimenez
Patrice Deplante
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.)
Mefina SA
Original Assignee
Mefina SA
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Publication date
Application filed by Mefina SA filed Critical Mefina SA
Publication of EP0488956A1 publication Critical patent/EP0488956A1/en
Application granted granted Critical
Publication of EP0488956B1 publication Critical patent/EP0488956B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D05B27/22—Work-feeding means with means for setting length of stitch

Definitions

  • the present invention relates to a sewing machine comprising a mechanism for driving the material to be sewn associated with a device for adjusting the amplitude and the direction of the fabric feed, this mechanism comprising a drive shaft and a fabric transport member, two opposite ends of which are kinematically connected to this drive shaft by two link and lever transmissions, one of which defines a first path of movement in a direction substantially parallel to a support plane for the fabric , while the other defines a second movement trajectory in a direction substantially perpendicular to this plane, said adjustment device comprising a slide in an arc of a circle centered on a trajectory described by an articulation between two connecting rods of said transport mechanism, this slide being pivotally mounted about an axis passing through the center of this trajectory, and hubs ns probes integral with said axis, engaged with this slide.
  • the slide guide and / or the slide are made of plastic and have pairs of divergent sliding surfaces.
  • the plastic material chosen has a low coefficient of friction and can therefore be formed of PTFE with the addition of silicone or graphite powder to reduce the coefficient of friction. The fact remains that friction exists and that it is likely to cause wear sooner or later.
  • the fact that the active surfaces of the slide guide and / or of the slide are made of plastic does not guarantee a long service life of the device.
  • the object of the present invention is to at least partially remedy the aforementioned drawbacks.
  • the present invention relates to a sewing machine according to claim 1.
  • FIG. 1 is a sectional view along line I-I of FIGS. 2 and 3.
  • Figure 2 is a sectional view along line II-II of Figure 1.
  • Figure 3 is a sectional view along line III-III of Figure 1.
  • FIG. 4 is an enlarged sectional view along the line IV-IV of FIG. 2.
  • This mechanism comprises (fig. 3) a drive shaft 3 secured to a connecting rod 4, one end of which is articulated around an eccentric 5 describing a circular path around the axis of this drive shaft 3.
  • This shaft 3 carries also a cam 6 against which an arm of a lever 7 rests, the other arm of which is connected to one end of a fabric transport member 8 by a connecting rod 9.
  • a return spring 2 tends to hold the lever 7 in contact with cam 6.
  • This transport member 8 is articulated to an arm of a lever 10, the other arm of which is connected to the connecting rod 4 by a connecting rod 11.
  • the axis 12 carries two rollers 13 and 14, one of which is frustoconical, which engage in a slide 20 (fig. 2) formed in a mobile 15 axially pierced and pivotally mounted on a pivot 16 fixed to the frame B carrying the transport mechanism.
  • a spring 21, disposed between the frame B and the lever 10 axially presses this lever and, consequently , the axis 12 and the rollers 13 and 14 that it carries in the direction of the mobile 15.
  • the radius of the roller 14 is given by the distance between the center of the axis 12 and the track 20b, the roller 13 pressing against the track 20a.
  • the surface of revolution of the roller 14 is slightly convex as shown in Figure 4.
  • the tracks 20a and 20b are stamped in a stamped steel sheet 22 attached to an imprint of complementary shape, which has the end of the mobile 15 molded and held by screws 23.
  • the end of the pivot 16 engaged in the axial drilling of the mobile 15 has an axial recess 24 with a conical bottom centered on the axis of the pivot 16.
  • This recess 24 receives a ball 25 whose cap exceeds the end of the pivot 16 and serves abutment surface against which the bottom of the stamped steel sheet 22 is pressed by means of the spring 21 (FIG. 1) of the lever 10 of the link 11, of the axis 12 and of the roller 13.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

Le dispositif de réglage de l'amplitude et du sens de l'entraînement du matériau à coudre comporte un mobile (15) muni d'une denture (17) pour entraîner. Ce mobile comporte une coulisse formée par deux pistes en arcs de cercles concentriques (20a,20b) dont l'une est engendrée par un cône et l'autre, par un cylindre tous deux roulant sur la trajectoire d'un axe (12) d'articulation entre deux leviers du mécanisme d'entraînement. Les deux pistes (20a,20b) de la coulisse sont formées par une feuille métallique profilée, rapportée sur le mobile (15). <IMAGE>The device for adjusting the amplitude and the direction of the drive of the material to be sewn comprises a mobile (15) provided with a toothing (17) for driving. This mobile comprises a slide formed by two tracks in arcs of concentric circles (20a, 20b) one of which is generated by a cone and the other by a cylinder both rolling on the path of an axis (12) d hinge between two levers of the drive mechanism. The two tracks (20a, 20b) of the slide are formed by a profiled metal sheet, attached to the mobile (15). <IMAGE>

Description

La présente invention se rapporte à une machine à coudre comprenant un mécanisme de d'entraînement du matériau à coudre associé à un dispositif de réglage de l'amplitude et du sens de l'entraînement du tissu, ce mécanisme comportant un arbre d'entraînement et un organe de transport du tissu, dont deux extrémités opposées sont reliées cinématiquement à cet arbre d'entraînement par deux transmissions à bielles et leviers, dont l'une définit une première trajectoire de déplacement dans une direction sensiblement parallèle à un plan de support du tissu, tandis que l'autre définit une seconde trajectoire de déplacement dans une direction sensiblement perpendiculaire à ce plan, ledit dispositif de réglage comprenant une coulisse en arc de cercle centrée sur une trajectoire décrite par une articulation entre deux bielles dudit mécanisme de transport, cette coulisse étant montée pivotante autour d'un axe passant par le centre de cette trajectoire, et des moyens palpeurs solidaires dudit axe, en prise avec cette coulisse.The present invention relates to a sewing machine comprising a mechanism for driving the material to be sewn associated with a device for adjusting the amplitude and the direction of the fabric feed, this mechanism comprising a drive shaft and a fabric transport member, two opposite ends of which are kinematically connected to this drive shaft by two link and lever transmissions, one of which defines a first path of movement in a direction substantially parallel to a support plane for the fabric , while the other defines a second movement trajectory in a direction substantially perpendicular to this plane, said adjustment device comprising a slide in an arc of a circle centered on a trajectory described by an articulation between two connecting rods of said transport mechanism, this slide being pivotally mounted about an axis passing through the center of this trajectory, and hubs ns probes integral with said axis, engaged with this slide.

Une telle machine à coudre est décrite dans le EP-Al-0 374 090. Dans cette machine à coudre, la coulisse est ménagée à l'extrémité d'un cylindre métallique, dont la face cylindrique est engagée dans un roulement pour assurer un pivotement sans jeu, garant de la précision du réglage angulaire de la coulisse. Cette solution donne des résultats tout à fait satisfaisants du point de vue de la précision, mais elle a l'inconvénient de revenir assez cher, tant en ce qui concerne l'usinage de la coulisse qui doit être d'une très grande précision, que le pivotement par roulement.Such a sewing machine is described in EP-Al-0 374 090. In this sewing machine, the slide is provided at the end of a metal cylinder, the cylindrical face of which is engaged in a bearing to ensure pivoting without play, guaranteeing the precision of the angular adjustment of the slide. This solution gives completely satisfactory results from the point of view of precision, but it has the disadvantage of being quite expensive, both with regard to the machining of the slide which must be of very high precision, as pivoting by rolling.

On a déjà proposé dans le DE-Cl-3121266 un dispositif de réglage de l'amplitude et/ou du sens de l'avance du tissu de ce genre dans lequel le guide de coulisse et/ou le coulisseau sont en matière plastique et présentent des paires de surfaces de glissement divergentes. Pour faciliter le glissement du coulisseau dans le guide de coulisse, la matière plastique choisie est à faible coefficient de frottement et peut à cet effet être formée de PTFE avec adjonction de silicone ou de poudre de graphite pour réduire le coefficient de frottement. Il n'en demeure pas moins que le frottement existe et qu'il est susceptible d'entraîner tôt ou tard une usure. En outre, le fait que les surfaces actives du guide de coulisse et/ou du coulisseau soient en matière plastique ne permet pas de garantir une longue durée de vie du dispositif.We have already proposed in DE-Cl-3121266 a device for adjusting the amplitude and / or the direction of advance of the fabric of this kind in which the slide guide and / or the slide are made of plastic and have pairs of divergent sliding surfaces. To facilitate sliding of the slide in the slide guide, the plastic material chosen has a low coefficient of friction and can therefore be formed of PTFE with the addition of silicone or graphite powder to reduce the coefficient of friction. The fact remains that friction exists and that it is likely to cause wear sooner or later. In addition, the fact that the active surfaces of the slide guide and / or of the slide are made of plastic does not guarantee a long service life of the device.

Le but de la présente invention est de remédier au moins en partie aux inconvénients susmentionnés.The object of the present invention is to at least partially remedy the aforementioned drawbacks.

A cet effet, la présente invention a pour objet une machine à coudre selon la revendication 1.To this end, the present invention relates to a sewing machine according to claim 1.

Compte tenu de la forme relativement complexe de la coulisse, il est plus simple de la former par emboutissage dans une feuille métallique que par usinage dans la masse. En outre, la précision et la reproductibilité sont assurées avec davantage de sécurité et à un moindre coût.Given the relatively complex shape of the slide, it is simpler to form it by stamping in a metal sheet than by mass machining. In addition, precision and reproducibility are ensured with greater security and at a lower cost.

D'autres avantages apparaîtront à la lumière de la description qui va suivre et du dessin annexé qui illustre, schématiquement et à titre d'exemple, une forme d'exécution de la machine à coudre objet de la présente invention.Other advantages will become apparent in the light of the description which follows and of the appended drawing which illustrates, schematically and by way of example, an embodiment of the sewing machine object of the present invention.

La figure 1 est une vue en coupe selon la ligne I-I des figures 2 et 3.FIG. 1 is a sectional view along line I-I of FIGS. 2 and 3.

La figure 2 est une vue en coupe selon la ligne II-II de la figure 1.Figure 2 is a sectional view along line II-II of Figure 1.

La figure 3 est une vue en coupe selon la ligne III-III de la figure 1.Figure 3 is a sectional view along line III-III of Figure 1.

La figure 4 est une vue en coupe agrandie selon la ligne IV-IV de la figure 2.FIG. 4 is an enlarged sectional view along the line IV-IV of FIG. 2.

Etant donné que le principe du réglage de l'amplitude et du sens de l'entraînement du tissu est identique à celui qui est décrit en détail dans le EP-Al-0 374 090 susmentionné, ce principe ne sera pas expliqué à nouveau, dans la mesure où il n'est pas indispensable pour comprendre la présente invention et que le lecteur peut se reporter au document précité pour les détails relatifs à ce principe.Since the principle of adjusting the amplitude and the direction of the tissue feed is identical to that which is described in detail in the aforementioned EP-Al-0 374 090, this principle will not be explained again, in since it is not essential to understand the present invention and the reader can refer to the aforementioned document for details relating to this principle.

Le mécanisme de transport du tissu et son dispositif de réglage sont illustrés par les figures 1 à 3. Ce mécanisme comporte (fig. 3) un arbre d'entraînement 3 solidaire d'une bielle 4 dont une extrémité est articulée autour d'un excentrique 5 décrivant une trajectoire circulaire autour de l'axe de cet arbre d'entraînement 3. Cet arbre 3 porte également une came 6 contre laquelle appuie un bras d'un levier 7 dont l'autre bras est relié à une extrémité d'un organe de transport du tissu 8 par une bielle 9. Un ressort de rappel 2 tend à maintenir le levier 7 en contact avec la came 6.The fabric transport mechanism and its adjustment device are illustrated in Figures 1 to 3. This mechanism comprises (fig. 3) a drive shaft 3 secured to a connecting rod 4, one end of which is articulated around an eccentric 5 describing a circular path around the axis of this drive shaft 3. This shaft 3 carries also a cam 6 against which an arm of a lever 7 rests, the other arm of which is connected to one end of a fabric transport member 8 by a connecting rod 9. A return spring 2 tends to hold the lever 7 in contact with cam 6.

L'autre extrémité de cet organe de transport 8 est articulée à un bras d'un levier 10 dont l'autre bras est relié à la bielle 4 par une biellette 11.The other end of this transport member 8 is articulated to an arm of a lever 10, the other arm of which is connected to the connecting rod 4 by a connecting rod 11.

Comme illustré par la figure 4, l'axe 12 porte deux galets 13 et 14, dont l'un 13 est tronconique, qui s'engagent dans une coulisse 20 (fig. 2) ménagée dans un mobile 15 percé axialement et monté pivotant sur un pivot 16 fixé au bâti B portant le mécanisme de transport. Ce mobile 15, qui sert à régler l'amplitude et le sens d'entraînement du transporteur 8a, porte une denture 17 destinée à venir en prise avec un pignon 18 solidaire de l'arbre d'un moteur pas à pas 19 et destiné à orienter la coulisse 20 autour d'un point central de la trajectoire de l'axe 12, déplacé selon un mouvement alternatif par la bielle 4. Un ressort 21, disposé entre le bâti B et le levier 10 presse axialement ce levier et, par conséquent, l'axe 12 et les galets 13 et 14 qu'il porte en direction du mobile 15.As illustrated in Figure 4, the axis 12 carries two rollers 13 and 14, one of which is frustoconical, which engage in a slide 20 (fig. 2) formed in a mobile 15 axially pierced and pivotally mounted on a pivot 16 fixed to the frame B carrying the transport mechanism. This mobile 15, which serves to adjust the amplitude and the direction of drive of the conveyor 8a, carries a toothing 17 intended to come into engagement with a pinion 18 secured to the shaft of a stepping motor 19 and intended to orient the slide 20 around a central point of the trajectory of the axis 12, moved in an alternating movement by the connecting rod 4. A spring 21, disposed between the frame B and the lever 10 axially presses this lever and, consequently , the axis 12 and the rollers 13 and 14 that it carries in the direction of the mobile 15.

Si l'on se reporte aux figures 2 et 4 pour examiner plus en détail la coulisse 20 et les galets 13 et 14, on constate que cette coulisse est formée de deux pistes en arcs de cercles concentriques 20a et 20b, dont l'une 20a est engendrée par un cône roulant sur la trajectoire de l'axe 12, tandis que l'autre 20b est engendrée par un cylindre roulant sur cette même trajectoire. Le rayon et la conicité du galet 13 par rapport à son axe de pivotement sont identiques au rayon et à la conicité de la piste 20a par rapport à l'axe de pivotement du mobile 15, de sorte que les deux axes sont coaxiaux lorsque le galet 13 est au centre de la piste 20a comme illustré par la figure 4. Dès lors, le rayon du galet 14 est donné par la distance entre le centre de l'axe 12 et la piste 20b, le galet 13 appuyant contre la piste 20a. Pour éviter un coincement du galet 14 au cas où les axes de pivotement du mobile 15, d'une part, et des galets 13, 14, d'autre part, ne seraient pas parfaitement alignés, la surface de révolution du galet 14 est légèrement convexe comme illustré par la figure 4.If we refer to Figures 2 and 4 to examine in more detail the slide 20 and the rollers 13 and 14, we see that this slide is formed by two tracks in arcs of concentric circles 20a and 20b, one of which 20a is generated by a cone rolling on the trajectory of the axis 12, while the other 20b is generated by a cylinder rolling on this same trajectory. The radius and the taper of the roller 13 relative to its pivot axis are identical to the radius and the taper of the track 20a relative to the pivot axis of the mobile 15, so that the two axes are coaxial when the roller 13 is at the center of track 20a as illustrated in FIG. 4. Consequently, the radius of the roller 14 is given by the distance between the center of the axis 12 and the track 20b, the roller 13 pressing against the track 20a. To avoid jamming of the roller 14 in the event that the pivot axes of the mobile 15, on the one hand, and the rollers 13, 14, on the other hand, are not perfectly aligned, the surface of revolution of the roller 14 is slightly convex as shown in Figure 4.

Les pistes 20a et 20b sont embouties dans une feuille d'acier emboutie 22 rapportée sur une empreinte de forme complémentaire, que présente l'extrémité du mobile 15 venu de moulage et maintenue par des vis 23.The tracks 20a and 20b are stamped in a stamped steel sheet 22 attached to an imprint of complementary shape, which has the end of the mobile 15 molded and held by screws 23.

L'extrémité du pivot 16 engagée dans le perçage axial du mobile 15 présente un évidement axial 24 à fond conique centré sur l'axe du pivot 16. Cet évidement 24 reçoit une bille 25 dont une calotte dépasse l'extrémité du pivot 16 et sert de surface de butée contre laquelle le fond de la feuille d'acier emboutie 22 est pressé par l'intermédiaire du ressort 21 (fig. 1) du levier 10 de la biellette 11, de l'axe 12 et du galet 13.The end of the pivot 16 engaged in the axial drilling of the mobile 15 has an axial recess 24 with a conical bottom centered on the axis of the pivot 16. This recess 24 receives a ball 25 whose cap exceeds the end of the pivot 16 and serves abutment surface against which the bottom of the stamped steel sheet 22 is pressed by means of the spring 21 (FIG. 1) of the lever 10 of the link 11, of the axis 12 and of the roller 13.

Claims (3)

Machine à coudre comprenant un mécanisme d'entraînement du matériau à coudre associé à un dispositif de réglage de l'amplitude et du sens de l'entraînement de ce matériau, ce mécanisme comportant un arbre d'entraînement (3) et un organe d'entraînement (8), dont deux extrémités opposées sont reliées cinématiquement à cet arbre d'entraînement par deux transmissions à bielles et leviers, dont l'une définit une première trajectoire de déplacement dans une direction sensiblement parallèle à un plan de support du matériau à coudre, tandis que l'autre définit une seconde trajectoire de déplacement dans une direction sensiblement perpendiculaire à ce plan, ledit dispositif de réglage comprenant une coulisse (20) en arc de cercle centrée sur une trajectoire décrite par une articulation (12) entre deux bielles dudit mécanisme d'entraînement, cette coulisse étant montée pivotante autour d'un axe passant par le centre de cette trajectoire, et des moyens palpeurs solidaires dudit axe, en prise avec cette coulisse, caractérisée par le fait que cette coulisse est formée par une feuille métallique profilée, rapportée sur un organe monté pivotant autour dudit axe.Sewing machine comprising a drive mechanism for the sewing material associated with a device for adjusting the amplitude and the direction of the drive of this material, this mechanism comprising a drive shaft (3) and a member for drive (8), two opposite ends of which are kinematically connected to this drive shaft by two link and lever transmissions, one of which defines a first path of movement in a direction substantially parallel to a support plane for the material to be sewn , while the other defines a second displacement trajectory in a direction substantially perpendicular to this plane, said adjustment device comprising a slide (20) in an arc of a circle centered on a trajectory described by an articulation (12) between two connecting rods of said drive mechanism, this slide being pivotally mounted about an axis passing through the center of this trajectory, and palpable means rs integral with said axis, engaged with this slide, characterized in that this slide is formed by a profiled metal sheet, attached to a member mounted to pivot around said axis. Machine à coudre selon la revendication 1, caractérisé par le fait que l'organe monté pivotant est en une matière plastique et présente une ouverture axiale de section cylindrique circulaire engagée sur un arbre de pivotement solidaire du bâti et que l'extrémité de cet arbre vient en butée axiale avec le revers de la feuille métallique profilée, au moins l'une des deux surfaces de butée présentant une surface de contact de forme sphérique.Sewing machine according to claim 1, characterized in that the pivotally mounted member is made of a plastic material and has an axial opening of circular cylindrical section engaged on a pivot shaft integral with the frame and that the end of this shaft comes in axial abutment with the reverse of the profiled metal sheet, at least one of the two abutment surfaces having a contact surface of spherical shape. Machine à coudre selon la revendication 2, caractérisée par le fait que l'une desdites surfaces de butée est constituée par une bille placée dans un évidement ménagé à l'extrémité dudit arbre.Sewing machine according to claim 2, characterized in that one of said abutment surfaces consists of a ball placed in a recess formed at the end of said shaft.
EP91810918A 1990-11-29 1991-11-26 Sewing machine Expired - Lifetime EP0488956B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3780/90 1990-11-29
CH3780/90A CH684415A5 (en) 1990-11-29 1990-11-29 Sewing machine.

Publications (2)

Publication Number Publication Date
EP0488956A1 true EP0488956A1 (en) 1992-06-03
EP0488956B1 EP0488956B1 (en) 1994-11-09

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EP91810918A Expired - Lifetime EP0488956B1 (en) 1990-11-29 1991-11-26 Sewing machine

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US (1) US5186116A (en)
EP (1) EP0488956B1 (en)
JP (1) JPH04292192A (en)
CN (1) CN1061817A (en)
BR (1) BR9105188A (en)
CH (1) CH684415A5 (en)
DE (1) DE69105100T2 (en)
ES (1) ES2065663T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6968793B2 (en) * 2003-12-15 2005-11-29 Shing Ray Sewing Machine Co., Ltd. Transverse longitudinal-cylinder sewing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1401129A (en) * 1963-08-30 1965-05-28 Necchi Spa Improvements to devices for the execution of profiled seams
DE3121266C1 (en) * 1981-05-29 1983-01-13 Dorina Nähmaschinen GmbH, 7500 Karlsruhe Control link for the feed and / or the stitching device of a sewing machine
EP0374090A1 (en) * 1988-11-30 1990-06-20 Mefina Sa Sewing machine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218287A (en) * 1936-12-31 1940-10-15 Union Special Machine Co Feed mechanism for sewing machines
US2711145A (en) * 1952-01-25 1955-06-21 Vittorio Necchi S P A Feed regulating means for a sewing machine
JPS545139Y2 (en) * 1971-06-19 1979-03-06
US4095540A (en) * 1977-02-28 1978-06-20 The Singer Company Sewing machine stitch regulating mechanisms
US4183310A (en) * 1978-12-21 1980-01-15 The Singer Company Feed and loop taker module for a sewing machine
DE3234688C1 (en) * 1982-09-18 1983-08-25 Dorina Nähmaschinen GmbH, 7500 Karlsruhe Feed control for a sewing machine
JPS6073479U (en) * 1983-10-26 1985-05-23 蛇の目ミシン工業株式会社 Feed fine adjustment device for sewing machines
DE3436366C2 (en) * 1984-10-04 1986-10-02 Pfaff Haushaltmaschinen Gmbh, 7500 Karlsruhe Sewing machine for making a sewing pattern
JPH0427516Y2 (en) * 1986-05-16 1992-07-01
US4895089A (en) * 1989-02-01 1990-01-23 Ssmc Inc. Stepper driven work feed patterning for sewing machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1401129A (en) * 1963-08-30 1965-05-28 Necchi Spa Improvements to devices for the execution of profiled seams
DE3121266C1 (en) * 1981-05-29 1983-01-13 Dorina Nähmaschinen GmbH, 7500 Karlsruhe Control link for the feed and / or the stitching device of a sewing machine
EP0374090A1 (en) * 1988-11-30 1990-06-20 Mefina Sa Sewing machine

Also Published As

Publication number Publication date
CN1061817A (en) 1992-06-10
JPH04292192A (en) 1992-10-16
BR9105188A (en) 1992-07-21
EP0488956B1 (en) 1994-11-09
US5186116A (en) 1993-02-16
CH684415A5 (en) 1994-09-15
DE69105100T2 (en) 1995-04-06
DE69105100D1 (en) 1994-12-15
ES2065663T3 (en) 1995-02-16

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