EP0237803A2 - Procédé et dispositif pour l'exécution de coutures non rectilignes - Google Patents

Procédé et dispositif pour l'exécution de coutures non rectilignes Download PDF

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Publication number
EP0237803A2
EP0237803A2 EP87102136A EP87102136A EP0237803A2 EP 0237803 A2 EP0237803 A2 EP 0237803A2 EP 87102136 A EP87102136 A EP 87102136A EP 87102136 A EP87102136 A EP 87102136A EP 0237803 A2 EP0237803 A2 EP 0237803A2
Authority
EP
European Patent Office
Prior art keywords
sewing
swivel
sewing machine
table top
swivel arm
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
EP87102136A
Other languages
German (de)
English (en)
Other versions
EP0237803A3 (en
EP0237803B1 (fr
Inventor
Helmut Schips
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.)
Schips AG
Original Assignee
Schips 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 Schips AG filed Critical Schips AG
Priority to AT87102136T priority Critical patent/ATE76126T1/de
Publication of EP0237803A2 publication Critical patent/EP0237803A2/fr
Publication of EP0237803A3 publication Critical patent/EP0237803A3/de
Application granted granted Critical
Publication of EP0237803B1 publication Critical patent/EP0237803B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/10—Edge guides
    • D05B35/102—Edge guide control systems with edge sensors
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00—Use of special elements
    • D05D2207/02—Pneumatic or hydraulic devices
    • D05D2207/04—Suction or blowing devices

Definitions

  • the invention relates to a method for performing contour seams on sewing material, in particular elongated pieces of sewing material.
  • the sewing material must be tracked by the operator of the sewing machine with the required care of the specified contour during the sewing process.
  • a demanding job that requires a considerable amount of time and requires the presence of operating personnel with the appropriate qualifications.
  • the object of the invention is to provide a method which enables the contour sewing to be carried out reliably without manual work and yet within a useful cycle time.
  • optoelectronic stitch chain guide which simultaneously feeds the sewing material to the sewing needle of the sewing machine by deliberately influencing the movement of at least one handle point detected on the fabric edges in an assigned polar coordinate system, the process of which Sewing process particularly expedient from a sewing position precisely defined by the three-point holder, the contour sewing can be carried out automatically and quickly according to the existing quality standard.
  • the contour line determined by the cutting of the fabric edges to be sewn together can have the shape of a curve piece with an arbitrarily variable curvature.
  • the optoelectronic stitch chain guide can be designed so advantageously that it only influences the movement of the middle grip point on the fabric edges in its polar coordinate system.
  • the mechanical stitch chain guide can expediently be carried out by a linear displacement of the handle point furthest away from the sewing machine after the material has been released in the middle handle point which is still after the passage of its optoelectronically controlled path and, at the same time, guiding the fabric edges approaching the sewing machine on the latter.
  • the device for carrying out the method according to the invention comprises a set of three power-operated gripping devices 1, 2, 3 for a sewing material N, the actuation of which is provided with the aid of a pressure cylinder 4, 5, 6.
  • the swivel arms 7, 8 are articulated in the needle region of the sewing machine 9 in a raised position with respect to a material feed table 10 presented to the sewing machine 9, a double-angled support 11 supported on the latter in the vicinity of the sewing machine 9.
  • the essentially rectangular table top 12 of the sewing material feeding table 10 has in its two edge regions a station 13, 14, which extends parallel to its longitudinal edges, for handling the sewing material N and a recess 15 for the sewing machine 9 at one of its corners.
  • the gripping device 1 closest to the sewing machine 9 is located next to the Hold-down foot 16 of the sewing machine 9 and is fixedly connected to the table top 12.
  • photocells 18 in front of the sewing needle 17 of the sewing machine 9 on the table top 12, which in the present embodiment of the device according to the invention are operatively connected to a swivel drive 19 assigned to the swivel arm 7 with the middle gripping device 2.
  • the photocells 18 can be designed in the form of a twin photo cell in a common housing, with a common light source and a fixed, narrow distance between their two light beams.
  • the two swivel arms 7, 8 are designed with different lengths.
  • the shorter, outer swivel arm 7, which carries the middle gripping device 2 is articulated to the shorter, outer support arm 22, while the swivel joint 24 of the longer, inner swivel arm 8 is located at the tip of the angle between the web 23 and longer, inner support arm 21.
  • the swivel drive 19 serving to actuate the shorter swivel arm 7 is articulated on the one hand on this one and on the other hand on the longer support arm 21.
  • An adjustable position indicator 25 is assigned to said swivel drive 19, which can be a pressure drive with a lifting or rotating piston or an electric stepping motor, on the basis of an auxiliary support 26 attached to the longer support arm 21.
  • the recess 15 for receiving the sewing machine 9 is formed at a corner of the table top 12 adjacent to the transfer station 13.
  • the sewing machine 9 can be any industrial sewing machine known per se. Seen in the sewing feed direction behind the hold-down foot 16 of the sewing machine 9 is a drive motor by the latter operated and cooperating with their sewing material advancing auxiliary conveyor belt 27 for conveying elongated pieces of sewing material after the contour has been completed.
  • the auxiliary conveyor belt 27 can be pivoted up and down about the axis 6 of its left-hand roller 27. 1 visible in FIG. 3 simultaneously with the lifting or lowering movement of the hold-down foot 16 of the sewing machine 9.
  • FIG. 1 shows a thin-walled guide plate 30 fastened to the shorter swivel arm 7, which is designed as a beam, with an elongated rectangular surface running parallel to the beam axis in an upright position.
  • the two longitudinal edges of the guide plate 30 are each designed as a type of knife edge, along which two rollers 31 of a carriage 32 carrying the middle gripping device 2 for the material N can be guided, each having matching circumferential grooves.
  • FIG. 1 only the top two of the total of 4 rollers 31 can be seen. A detailed description of the carriage 32 follows below.
  • An adjustable position indicator 33 is arranged for the movement of the carriage 32 in the area of the end of the guide plate 30 facing the sewing machine 9 and an adjustable stop 34 is also arranged in the area of the other end of the guide plate 30 at the corresponding end of a bracket 35 provided parallel to the guide plate 30 .
  • FIG. 1 shows only one bar 36 suspended vertically on the rollers 31, on which a support plate 37, directed essentially at right angles to the longitudinal edges of the table top 12 and parallel to its surface, for two clamping plates 38, 39 and the middle one actuating them Gripping device 2 is attached in a manner to be described further below (cf. FIGS. 4a and 4b).
  • a slide 50 designed in the manner of a sleeve is slidably arranged on the longer, round-rod-shaped swivel arm 8, on which the gripping device 3 which is furthest away from the sewing machine 9 is suspended by means of a vertical support 51.
  • An adjustable position indicator 52 on the end of the longer swivel arm 8 facing the sewing machine 9 and an also adjustable stop 53 in the region of the other end of the said swivel arm serve to limit the movement of the carriage 50 (cf. in particular FIG. 5a).
  • the sleeve-like slide 50 is supported in its interior on both ends by a ball bearing on the longer swivel arm 8 (cf. FIG. 6).
  • a swivel drive 54 is provided in the region of the rear edge 20 of the table top 12 in a position slightly elevated relative to the surface of the latter.
  • the swivel drive is preferably 54 a linear drive in the form of a pressure cylinder 54.1, which extends parallel to the rear edge 20 of the table top 12, has an overall length which corresponds essentially to the width of the latter and accommodates a magnetic pressure piston which is not visible in FIG.
  • a force transmission element 55.1 which is guided along the outer surface of the pressure cylinder 54.1 on a bar 55 and mechanically coupled to the longer pivot arm 8, is also moved.
  • a positionable position indicator 56 is assigned to each of the two ends of the pressure cylinder 54.1.
  • the two swivel arms 7, 8 each carry a pulley 60, 61 arranged above the respective movement path of the associated slide 32, 50, of which only that 60 of the shorter swivel arm 7 is shown in full in FIG. 1 and only one of the pulley 61 of the longer swivel arm 8 Part can be seen.
  • the pulley systems 60, 61 are each on the load side with a return drive for the respective carriage 32, 50, each fastened on the base plate 62, 63 of the respective pulley system 60, 61, and on the side of the actuating force introduction, each via a respective pivot arm 7, 8 mounted deflection roller 60.1, 61.1 connected to the end of the carriage 32, 50 facing away from the sewing machine 9.
  • the two Pulleys 60,61 are of the same type. They each consist of two sets 60.2, 61.2 of the same axis, each with 7 rollers 60.3, 61.3 (cf. also FIGS. 3 and 5a).
  • the position indicators 25, 33, 52 and 56 are all designed as an inductive proximity switch.
  • a so-called insertion station 14 with a further set of three gripping devices 71, 72, 73 that can be operated independently of one another is provided for the sewing material N.
  • the following sewing material N can be made available during the sewing process in progress, which fact enables a considerable acceleration of the production.
  • the last-mentioned three gripping devices 71, 72, 73 are each attached to a base 71.1, 72.1, 73.1, each coupled to a displacement drive. In FIG. 1, only a part of the displacement drive 72.6 of the middle gripping device 72 is visible.
  • the guides 71.2, 72.8, 73.2 of the pedestals 71.1, 72.1, 73.1 are directed parallel to one another and at right angles to the longitudinal edges of the table top 12 and under appropriately oriented, individual slots 12.1, 12.2, 12.3 the same in the frame of the material feed table 10 arranged.
  • the stands 71.1, 72.1, 73.1, which protrude through the slots 12.1, 12.2, 12.3 of the table top 12, together with the gripping devices 71, 72, 73 attached to them, can then be moved back and forth between the insertion station 14 and the transfer station 13, and each time the transfer station is started up 13 can be brought up to the corresponding gripping devices 1, 2, 3 thereof.
  • the middle 72 of the three gripping devices 71, 72, 73 assigned to the insertion station 14 can be lowered from the take-over station 13 to the insertion station 14 together with the associated base 72.1 below the surface of the table top 12 for the purpose of returning them below the floor.
  • the table top 12 can be extended if necessary.
  • it consists of two parts 12.4 and 12.5, which abut each other along a parting line 12.6.
  • a force-actuated flap 12.7 of the parting line 12.6 indicated in dashed lines in FIG. 1 is articulated along the underside of the table top 12.
  • a corresponding positioning of the displacement drives of the middle and the gripping devices 72 and 73 furthest away from the sewing machine 9, together with their bases 72.1, 73.1, is of course also assigned to them Guides necessary (see also Fig. 8 to 11b).
  • the positioning is carried out simultaneously with the setting of the starting position of the gripping devices 2 and 3 on the two swivel arms 7 and 8.
  • Guide devices 80, 81 provided on the front of the table frame in FIG. 1 for the purpose of positioning said parts are visible. Further details can be found in the explanations for FIGS. 8 to 11b.
  • FIG. 2 shows the device for contour sewing according to FIG. 1, which at the same time also forms an acceptance station 13 for the sewing material N, but is shown in plan view and on a larger scale without the pulleys 60, 61.
  • the front, stationary gripping device 1 and the twin photo cell 18 appear more clearly.
  • contours are in each case a recess 41 for the central gripping device 2, which is machined in the area of the clamping plates 38, 39 facing the bracket 35, and a smaller, elongated opening 42 within the recesses 41 for one Activation of the gripping device 2 provided photo cell 58 visible (see also Fig. 4a and 4b). Gripping device 2 and photocell 58 are not shown in FIG. 2.
  • FIG. 3 shows details of parts of the device according to FIG. 2.
  • sewing needle 17 and hold-down foot 16 of the sewing machine 9 together with the upstream twin photo cell 18, the downstream auxiliary conveyor belt 27 and the stationary front gripping device 1 and also the shorter swivel arm 7 together with the carriage 32 arranged thereon enlarged.
  • this figure shows the guidance of the carriage 32 on the basis of four rollers 31 each running in pairs on one of the two knife-like longitudinal edges of the guide plate 30.
  • the similarly designed guidance of the horizontal part 40 of the slide 32, which can be raised and lowered, on the vertical bar 36 of the same by means of four rollers 45 is also shown here.
  • FIG. 4a illustrates the slide 32 of the shorter swivel arm 7 according to FIG. 3 again in an enlarged side view.
  • the construction for guiding the horizontal movement of the slide 32 on the shorter swivel arm 7 on the one hand and the lifting and lowering movement of the horizontal part 40 of the slide 32 along its vertical bar 36 on the other hand and the structure of the horizontal part 40 itself are shown in this figure in individual in mind.
  • the guide structure for the horizontal movements of the carriage 32 consists of the thin-walled guide plate 30 fastened to the shorter swivel arm 7 with the knife-like longitudinal edges and the rollers 31 with circumferential grooves, which are arranged on the surface of the vertical bar 36 facing the guide plate 30.
  • the vertical bar 36 has a further thin-walled and elongated guide plate 44 below the rollers 31, the two knife-like longitudinal edges of which, in turn, can each be moved along two rollers 45 formed with circumferential grooves.
  • the latter are mounted on a vertically bent connection plate 46 screwed to the support plate 37.
  • the structure of the horizontal part 40 can be seen in the lower image area of FIG. 4a and the top view in FIG. 4b below.
  • Two screw bolts 48 anchored on the support plate 37 penetrate a corresponding circular opening 38.1, 38.2, 39.1, 39.2 in the clamping plates 38, 39.
  • Each coil spring 49 is slipped over a screw bolt 48 and with its lower end against a stop ring 38.3 or 39.3 each fastened around the circular opening 38.2 or 39.1 of the associated clamping plate 38 or 39 and with its upper end against a clamping nut screwed onto the associated screw bolt 48 49.1 supported.
  • the Pivoting movement of the clamping plates 38, 39 is thus restricted.
  • the two clamping plates 38, 39 each have a recess 41, the curved side of which, facing away from the swivel joint 47, is inserted along a correspondingly curved fabric guide plate 57 with a Tagentialauslauf pointing in the sewing feed direction and screwed to the support plate 37 .
  • a profile carrier 59 which is also mounted on the support plate 37 such that the former can effect a clamping movement of the two clamping plates 38, 39 with its actuating pin 2.1, and additionally the the latter is erected on the elongated opening 42 in the support plate 37.
  • a clamping effect is achieved by striking each of the buffer caps 38.4, 39.4 formed at the free end of the two clamping plates 38, 39 against the plate 38 and 37 below, respectively, as a result of the upper clamping plate 39 is brought about by the actuating pin 2.1 applied pressure.
  • the leading edges of the support plate 37 and the clamping plates 38, 39, to which the fabric layers of the sewing material N run during the sewing process, are designed to be inclined towards their outlet edges which are normal to the sewing feed direction. Starting from the support plate 37, the leading edges are increasingly set back in the sewing feed direction. The leading edge of the upper clamping plate 39 is bent up and the plates 37, 38, 39 become smaller and smaller in this order.
  • the longer swivel arm 8 can be seen on an enlarged scale with all the assemblies arranged thereon, with the exception of the complete pulley 61 already shown in FIG.
  • the pulley 61 arranged on the longer swivel arm 8 is illustrated together with the return drive 65 which is missing in FIG. 1 and the roller set 61.2 which is adjacent to it and is also not shown in the figure mentioned.
  • the return drive 64 cf. FIGS. 1 and 3
  • a pressure cylinder is provided in each case, the pressure piston 64.1, 65.1 of which has a special seal 64.2, 65.2 which ensures a small amount during the stroke movement and ensures an unchanging coefficient of friction.
  • FIG. 5b shows the one arranged on the vertical support 51, from the sewing machine 9 the most distant gripping device 3 in side view.
  • FIG. 6 shows the structure of a sleeve-like but differently designed slide 66 for the longer swivel arm 8 in basic and elevation, both in section and viewed from the rear.
  • a friction wheel 69 rolling on the surface of the longer swivel arm 8 and a turbine wheel 70 driving the latter as well as on both sides of it are on a shaft 67 which is mounted between two ball bearings 68 inside the slide 66 at right angles to its longitudinal axis
  • a connection channel 70.1 or 70.2 for the supply or discharge of a pressure medium, such as compressed air, is arranged on the wall of the slide 66.
  • the swivel drive 54 for actuating the longer swivel arm 8 is visible in full length in the enlarged side view according to FIG. There are also the power transmission element 55 together with the bar 55.1 used to guide it, the rear end of the longer swivel arm 8 with the rear roller set 61.2 and the deflection roller 61.1 of the pulley 61 arranged thereon, and the positionable two position indicators 56.
  • the front view of the material feed table 10 according to the FIG. 8 shows parts of the longer swivel arm 8, the associated pulley 61 and the swivel drive 54 starting from above in a front view.
  • the three gripping devices 71, 72, 73 of the insertion station 14 located above the table top 12 together with their bases 71.1, 72.1, 73.1 projecting under the table top 12 and with their displacement drives 71.6, 72.6, 73.6 and the guide devices 80, 81 for the longitudinal adjustment of the Gripping devices 72.73 can be seen when changing the table length.
  • the gripping device 71 of the insertion station 14 closest to the sewing machine 9 together with its carrying and movement mechanism consisting of a base 71.1, its guide 71.2 and displacement drive 71.6 as well as the flap 12.7 for table extension together with its actuating drive 12.8 can again be seen in FIG. 9 in an enlarged side view.
  • the gripping device 73 of the insertion station 14, which is the most distant from the sewing machine 9, is also together with its carrying and moving mechanism from the base 73.1, its guide 73.2, displacement drive 73.6 and guide device 81 for the longitudinal adjustment of said parts when changing the table length again shown in an enlarged side view.
  • a band cylinder is provided as the displacement drive 71.6 or 73.6.
  • FIG. 11a illustrates a side view of the middle gripping device 72 of the insertion station 14 together with its carrying and moving mechanism in the sectional plane BB through the sewing material feed table 10 according to FIG. 8 on an enlarged scale
  • FIG. 11b shows a section through the carrying and moving mechanism along the Section plane CC in Figure 11a.
  • the supporting and moving mechanism of the middle gripping device 72 includes a base 72.1, which is arranged on a carriage 72.3, guided between four rollers 72.4, and can be displaced vertically up and down.
  • the carriage 72.3 is displaceable by a toothed belt 72.7 along two guide rods 72.8 directed at right angles to the longitudinal edges of the table top 12.
  • the vertical displacement is carried out with the aid of a pressure cylinder 72.5, while the displacement drive 72.6 actuating the toothed belt 72.7 is an electric stepping motor.
  • the cut fabric edges of the components of an elongated piece of sewing material for example one Pants legs, which are to be joined together by means of a contour seam (side seam), are placed together on the insertion station 14 according to the sewing position together with other components to be sewn together, such as lining, pocket sack etc., and by means of the three gripping devices 71, 72, 73 of the insertion station 14 at three grip points A. , B, C clamped (cf. contours indicated by broken lines in FIG. 1).
  • the length of the sewing material feed table 10 and thus also the position of the middle gripping device 72 of the insertion station 14 and that of the gripping device 73 furthest away from the sewing machine 9 are determined by actuating the guiding devices 80, 81 before the sewing material components are clamped on the insertion station 14 set in such a way that the so-called attachment of the pocket bag, which represents a first grip point B and coincides with the lower end of a hip arch formed by the fabric edges according to the cut thereof, together with the attached fabric edges, can be held on the middle gripping device 72.
  • a further grip point A selected at the waist of the trouser leg is then clamped to the gripping device 71 closest to the sewing machine 9 and a third grip point C provided at the lower end of the trouser leg to the third gripping device 73.
  • Said grip points A, B, C lie on an area of the fabric edges of the components of the respective sewing material N that are cut and sewn together running contour line K, on which the contour seam will be guided through the photocells 18 in the subsequent sewing process.
  • the actuation of the guide devices 80, 81 takes place automatically as a result of a longitudinal adjustment of the middle gripping device 2 on the shorter swivel arm 7, the gripping device 3 movable on the longer swivel arm 8 also being adjusted accordingly (cf. also FIG. 2).
  • the displacement drives 71.6, 72.6, 73.6 of the gripping devices 71, 72, 73 of the insertion station 14 started with the help of a foot switch, not shown.
  • the gripping devices 71, 72, 73 transport the sewing material N to the gripping devices 1, 2 and 3 of the transfer station 13, the fabric edges of the sewing material N coming into the grip area of the latter.
  • the stopping of the displacement drives 71.6, 72.6, 73.6, the gripping of the sewing material N at the three grip points A, B, C by the gripping devices 1, 2, 3 of the transfer station 13 and the release of the sewing material N by the gripping devices 71, 72, 73 Insertion station 14 are in the middle pair of gripping devices 72-2 by the on the support plate 37 for the gripping device 2 arranged photocell 58 and in the two other pairs of gripping devices 71-1 and 73-3 each caused by a proximity switch, also not shown.
  • the sewing process is controlled and simultaneously also the release of the sewing material N by the gripping device 1 in the grip point A.
  • the gripping device 2 of the transfer station 13 to which the handle point B is transferred from the insertion station 14 to the transfer station 13 when the sewing material N is transferred, has three plates, namely the support plate 37 and the two clamping plates 38.39 trained. Accordingly, the upper fabric layer between the two clamping plates 38, 39 and the lower fabric layer of the same are held between the lower clamping plate 38 and the support plate 37 (see FIGS. 1 to 4).
  • the contour seam is first carried out along the hip arch, which forms the first section of the contour line K.
  • the sewing material feed device of the sewing machine 9 Under the action of the sewing material feed device of the sewing machine 9, the sewing material N is conveyed in the direction of the latter, the fabric edges passing between the photocells 18 in the sewing feed direction while the two gripping devices 2 and 3 are simultaneously moved on the swivel arms 7 and 8.
  • the carriage 32 which guides the movement of the gripping device 2 on the shorter swivel arm 7, comes to the said position detector 33 at the end of the first section of the sewing process at which the hip arch ends to a standstill.
  • the latter also causes the gripping device 2 to be released so that the further course of the sewing process is not hindered.
  • the photocells 18 are put out of operation and the gripping devices 71, 72, 73 of the insertion station 14 are automatically returned to their starting position, so that the latter are ready to receive a next sewing material N.
  • the further sequence of the sewing process in the present exemplary embodiment of the invention actually consists of a second section in which the stitch chain of the contour seam is mechanically parallel to the now substantially straight contour line K.
  • the longer swivel arm 8, which carries the gripping device 3 most distant from the sewing machine 9 was already moved from its initial position by means of its swivel drive 54 during the first section of the sewing process to a position indicator 56 assigned to it on the insertion station 14 side with a predetermined, constant one Speed in an operating position on the side of it Transfer station 13 assigned, preset position indicator 56 pivoted.
  • the sewing material N is thus mechanically guided in the direction of the sewing machine 9 by the gripping device 3 sliding on the stationary, longer swivel arm 8.
  • the fabric edges run through between the open support or clamping plates 37 and 38, 49 of the gripping device 2, which is also stationary, so that an exact merging of the gripping device remains guaranteed.
  • next sewing material N can be laid out at the insertion station 14.
  • the gripping device 3 guided on the longer swivel arm 8 comes to a standstill at the preset position indicator 33 at the end of this swivel arm facing the sewing machine 9.
  • the position indicator 33 effects on the one hand the loosening of the gripping device 3, so that the sewing material N can be conveyed further to a deposit after passing under the sewing needle 17 by the auxiliary conveyor belt 27.
  • the resetting of the two swivel arms 7, 8 and the two gripping devices 2, 3 which can be moved on them is also caused in their starting position, in which the latter can take over a new sewing material N.
  • Pulleys 60, 61 exert a weak counter pull on the material to be sewn during the sewing process, so that its fabric edges are fed to the sewing machine 9 in a tensioned state.
  • the invention makes it possible to carry out the contour sewing quickly and with high quality. It is largely possible to dispense with the participation of expert operating personnel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Details Of Garments (AREA)
EP87102136A 1986-02-17 1987-02-16 Procédé et dispositif pour l'exécution de coutures non rectilignes Expired - Lifetime EP0237803B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87102136T ATE76126T1 (de) 1986-02-17 1987-02-16 Verfahren und vorrichtung zum konturennaehen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH619/86 1986-02-17
CH619/86A CH670844A5 (fr) 1986-02-17 1986-02-17

Publications (3)

Publication Number Publication Date
EP0237803A2 true EP0237803A2 (fr) 1987-09-23
EP0237803A3 EP0237803A3 (en) 1989-03-15
EP0237803B1 EP0237803B1 (fr) 1992-05-13

Family

ID=4191223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102136A Expired - Lifetime EP0237803B1 (fr) 1986-02-17 1987-02-16 Procédé et dispositif pour l'exécution de coutures non rectilignes

Country Status (6)

Country Link
US (1) US4841889A (fr)
EP (1) EP0237803B1 (fr)
JP (1) JPS62266093A (fr)
AT (1) ATE76126T1 (fr)
CH (1) CH670844A5 (fr)
DE (1) DE3778940D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819262C1 (fr) * 1988-06-06 1989-12-21 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern, De
US5159874A (en) * 1990-09-06 1992-11-03 Union Special Corporation Aligning device for sleeve

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413891A (en) * 1944-12-29 1947-01-07 Joseph H Roy Mechanism for aligning the edges of sheet material
US3742879A (en) * 1970-12-03 1973-07-03 Usm Corp Automatic work guidance mechanism
US3722437A (en) * 1971-11-24 1973-03-27 P Winberg Intermediate clamp for contour seamer
FR2291305A1 (fr) * 1974-11-14 1976-06-11 Duerkoppwerke Tablette adaptable a une machine a coudre
US4050393A (en) * 1975-09-29 1977-09-27 Usm Corporation Method and apparatus for controlling an automatic bar tacking machine
DE2554022C2 (de) * 1975-12-02 1982-02-11 Dürkoppwerke GmbH, 4800 Bielefeld Werkstückführung
DE2607235C2 (de) * 1976-02-23 1982-12-30 Dürkoppwerke GmbH, 4800 Bielefeld Arbeitsstückführung für flexible Werkstücke
JPS52134544A (en) * 1976-05-04 1977-11-10 Kayaba Industry Co Ltd Automatic sewing machine
IT1071306B (it) * 1977-02-04 1985-04-02 Rockwell Rimoldi Spa Unita' di cucitura per l'assemblaggio di teli di tessuto
US4292908A (en) * 1978-10-02 1981-10-06 Levi Strauss & Co. Hemmer-seamer
IL66381A0 (en) * 1982-07-23 1982-11-30 Beta Eng & Dev Ltd Automatic sewing apparatus
IT1187885B (it) * 1985-03-16 1987-12-23 Pfaff Ind Masch Macchina per cucire con un sistema di governo del movimento di un organo di ritegno dell articolo da cucire

Also Published As

Publication number Publication date
US4841889A (en) 1989-06-27
CH670844A5 (fr) 1989-07-14
EP0237803A3 (en) 1989-03-15
JPS62266093A (ja) 1987-11-18
EP0237803B1 (fr) 1992-05-13
ATE76126T1 (de) 1992-05-15
DE3778940D1 (de) 1992-06-17

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