EP0085908B1 - Machine à palissonner - Google Patents

Machine à palissonner Download PDF

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Publication number
EP0085908B1
EP0085908B1 EP83100774A EP83100774A EP0085908B1 EP 0085908 B1 EP0085908 B1 EP 0085908B1 EP 83100774 A EP83100774 A EP 83100774A EP 83100774 A EP83100774 A EP 83100774A EP 0085908 B1 EP0085908 B1 EP 0085908B1
Authority
EP
European Patent Office
Prior art keywords
roller
leather
rollers
work
workpiece
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
EP83100774A
Other languages
German (de)
English (en)
Other versions
EP0085908A2 (fr
EP0085908A3 (en
Inventor
Karl Dipl.-Ing. Voit
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.)
Voit Michael GmbH
Original Assignee
Voit Michael GmbH
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 Voit Michael GmbH filed Critical Voit Michael GmbH
Priority to AT83100774T priority Critical patent/ATE23561T1/de
Publication of EP0085908A2 publication Critical patent/EP0085908A2/fr
Publication of EP0085908A3 publication Critical patent/EP0085908A3/de
Application granted granted Critical
Publication of EP0085908B1 publication Critical patent/EP0085908B1/fr
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/40—Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills
    • C14B1/42—Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills by means of a rotatable drum with radial blades
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
    • C14B17/06—Work feeding or clamping devices

Definitions

  • the invention relates to a stolling machine for processing leather, skins and furs with a rotating work roll equipped with cleat blades and / or grindstones, an elastic pressure device for pressing the workpiece to be machined against the work roll, and a transport device to move the workpiece between the pressure device and pull the work roll through, as is known for example from DE-A-1 435 305.
  • the invention is therefore based on the object of further developing a stud machine of the type mentioned in such a way that the time required for machining a workpiece is shortened. Furthermore, the feeding and clamping of the workpiece is to be simplified and the transportation of the latter by the roving machine is to be largely automated.
  • Fig. 1 shows schematically the basic principle of a roller machine equipped with rollers.
  • the workpiece 14, hereinafter referred to as leather is passed between two rollers 12, 13, of which z. B.
  • the roller 12 is a driven roller and the roller 13 is a pinch roller, which can be pivoted about a pivot point 15 to the transport roller and away from it, such that the leather 14 is clamped between the two rollers 12 and 13.
  • the stud machine is further provided with a flexible, elastic pressure device 18 against which a work roll 16, which is studded with stud blades and / or grindstones, can be pressed.
  • the work roll 16 can be pivoted about a pivot point 17 toward and away from the pressure device 18.
  • the pivoting or pressing movements of the rollers 13, 16 can, for. B. with the help of pneumatic piston-cylinder units, not shown.
  • the leather with its meat side facing the work roll 16 is introduced into the working gap 34 between the work roll 16 and the pressing device 18 by means of the rolls 12, 13, whereupon the working roll 16 is pivoted towards the pressing device 18, whereby the leather 14 against the pressing device 18 is pressed.
  • the pinch roller 13 is moved against the roller 12 until the leather 14 is pinched between the rollers 12 and 13 and held.
  • the rollers 12 and 16 by means of drive means, not shown, for. B. electric motors, set in rotation, in which case the transport roller 12 rotates clockwise and the work roller 16 rotates counterclockwise.
  • rollers 12, 13 pull the leather in the direction of arrow P1 upwards and between the pressure device 18 and the rotating work roll 16, during which movement the leather 14 is rolled in a known manner and if the work roll 16 also with sanding plates is occupied, is also ground.
  • FIG. 2 shows a development of the embodiment according to FIG. 1.
  • two work rolls 26 and 28 are provided which can be driven separately and of which the roll 26 rotates around a pivot point 27 and the roll 28 around a pivot point 29 assigned pressure device 30 or 32 are pivotable to and from it.
  • This pivoting movement or pressing movement against the devices 30 or 32 can take place by means of pneumatic piston-cylinder units, not shown.
  • a transport roller 20 and a clamping roller 22 are provided, both of which are mounted on a lifting arm 24.
  • the transport roller has a larger, e.g. B. 2-3 times the diameter of the pinch roller.
  • the latter is adjustable in the direction of the transport roller so that the leather 14 can be clamped and transported between these two rollers.
  • the clamping roller 22 can be adjusted with the aid of a pneumatic piston-cylinder unit, not shown.
  • the transport roller 20 is driven, for. B. by means of an electric motor, not shown. It can be switched to both directions of rotation.
  • the leather 14 is clamped between the rollers 20 and 22 and its lower part is passed between the work roller 28 and the pressure device 32 and hangs down from there.
  • the work roll 28 is now pivoted towards the pressure device 32 and pressed against the latter.
  • the work roll 28 is turned on and rotated clockwise, while the lifting arm 24 by means of drive means, not shown, for. B.
  • a pneumatic piston-cylinder unit is moved upwards.
  • the part of the leather 14 which is from the The point of contact between the work roll 18 and the pressing device 32 hangs down, is pulled up between these two parts and is thereby pushed through the work roll 28 and possibly ground.
  • the leather 14 is brought into the work area between the work roll 26 and the pressure device 30 by means of the transport roll 20 and the clamping roll 22, by rotating the transport roll clockwise, with the lifting arm 24 again downward in the illustrated Position moves. Then the work roll 26 is moved towards its pressure device 30 until the leather is clamped between the two parts. The lifting arm 24 is again moved upwards, the leather being clamped between the transport roller 20 and the pinch roller 22, so that it is pulled upwards between the work roller 26 and the pressing device 30, being stubbed and possibly sanded during this upward movement .
  • This process can be repeated several times.
  • the lifting arm 24 can be designed to be stationary, while the transport movement of the leather through the respective working gap between the working rolls 26, 28 and the pressing devices 30, 32 with the aid of the motor-driven transport roll that can be switched in both directions of rotation 20 and the pinch roller 22 takes place.
  • This stud machine 10 operates in a continuous process and allows a largely automatic mode of operation.
  • the stud machine 10 is provided with two work rolls 40, 42 and two pressure devices 44, 46.
  • the work roll 40 is pivotable about a fulcrum 41 and the work roll 42 about a fulcrum 43, such that the rolls can be moved towards and away from their respective pressing device, so that the leather 14 to be processed is clamped between a working roll and a pressing device is held, with the meat side of the leather facing the work roll.
  • the machine is also provided with a transport roller 48 which can be switched in both directions of rotation, as well as with two clamping rollers 50, 52, one of which is arranged on each side of the transport roller 48, such that the clamping rollers 50, 52 are essentially 180 ° opposite one another .
  • Two further rollers 54, 56 are provided, of which the roller 54 is driven synchronously with the transport roller 48, which can be achieved, for example, by means of a transmission which is functionally connected between the transport roller 48 and the roller 54 and is correspondingly coupled to both rollers .
  • the transport roller 48 is expediently driven by a motor, not shown.
  • a conveyor belt 58 is placed around the rollers 50, 54, 56, 52 and, as shown in FIG. 3, also wraps around the conveyor roller 48 over part of its circumference.
  • the wrap angle is approximately 180 °, while in the position of the rollers 52, 56 shown in broken lines, the wrap angle is only approximately 90 °.
  • a tension roller 60 keeps the conveyor belt 58 constantly under tension.
  • the tensioning roller 60 can, for example, be loaded by a spring or by a weight.
  • the two pinch rollers 50, 52 are z. B. by means of pneumatic piston-cylinder units, not shown, can be pressed individually and separately against the transport roller 48 and moved away from it again, such that the leather 14 can be clamped between the transport roller 28 and the respective clamping roller 52 or 50, such as, for. B. for the pinch roller 50 shown.
  • a feed table 62 is shown only schematically, over or around which a feed belt 64 runs.
  • the feed table 62 is also provided with a table-fixed marking 66.
  • rollers 54 and 56 sit on a common support 74 and the roller 52 is connected to the roller 56 via a tab 75, such that the two rollers 56 and 52 from the position shown in solid lines about the central axis of the roller 54 in the Position shown in dashed lines are pivotable.
  • the feed belt 64 and the conveyor belt 58 are then switched on, the transport roller 48 rotating clockwise and the leather is removed from the table 62 and transported between the conveyor belt 58 and the transport roller 48 until the point of the leather 14, which was opposite the mark 66 has reached the clamping point 38, d. H. the point of contact between the transport roller 48 and the pinch roller 50.
  • the processing of the leather does not begin at the clamping point 38 but at the working point 68, ie at the point of contact of the work roll 40 the pressure device 44.
  • the table 62 has now moved back into its starting position shown in the figure and the rollers 56 and 52 are pivoted into their working position, which is shown in FIG. 3 by solid lines.
  • the work roll 40 is now pivoted about its pivot point 41 onto the pressure device 44 and the leather 14 is pressed by the work roll 40 against the pressure device 44, which, since it is flexible and elastic, yields, as shown on the left in FIG. 3 in connection with the work roll 42 is shown.
  • the transport roller 48 is driven and rotated counterclockwise (and synchronously with it the roller 54), whereby the leather is transported upwards in the direction of the arrow P2 by the transport roller 48 and the conveyor belt 58 and pulled between the work roller 40 and the pressing device 44 the leather is stubbed during this upward movement and, if the roller 40 is also equipped with grinding blades, is also ground.
  • the section of the leather 14 that hangs down from the working point 68 is thus processed.
  • the transport roller 48 and the conveyor belt 58 are now operated until the point of the leather, which was at the start of the processing at the working point 68, has been transported around the transport roller to the working point 70, i. H. the point of contact of the work roll 42 with the pressure device 46 assigned to it.
  • the part of the leather 14 which has not yet been processed then hangs downwards from the work point 70. while the part of the leather 14 which has already been processed in the process just described runs upwards from the working point 70 and lies partially between the conveyor belt 58 and the outer surface of the transport roller 48.
  • the work roll 42 is now pivoted about its pivot point 43 onto the pressure device 44 until the leather is clamped between the latter and the roll 42, i. H. the roller 42 presses the leather against the pressure device 46.
  • the leather has been completely processed and it can then be transported further until it comes to rest on a conveyor belt 72, by means of which it is transported out of the lugging machine and transported away .
  • the piling process can be repeated several times by switching the transport roller 48 and the conveyor belt several times.
  • the transport roller 48 continues to rotate until the entire piece of leather that originally hung down from the working point 68 has been processed by the working roller 40. If this piece of leather has now completely passed through the gap between the work roll 40 and the pressing device 44 and the work roll 40 no longer feels any resistance, the torque drops and both the work roll 40, but in particular also the transport roll 48 and so, are switched off via a corresponding torque switch Volume 58 switched off.
  • the work roll 42 is brought into engagement with the leather and switched on and at the same time the transport roll 48 and the belt 58 are switched over, so that, as before, the previously unprocessed part of the leather is stubbed.
  • there is an overlap in the tunnel because part of the leather that has already been rolled by the work roll 40 is now pushed again by the work roll 42, because the starting point of the leather is that at the start of processing at the working point 68 was now slightly below the working point 70, so that this piece, around which the original point 68 lies below the point 70, is processed twice.
  • the untreated leather is placed on the work table 62 in such a way that a certain point of the leather lies on the marking 66 and this point comes to rest on the clamping point 38 after the leather has been retracted. This ensures that each leather comes into the same starting position for processing when it is inserted into the loom.
  • the marking 66 it is also possible to place the marking 66 in such a way that a certain point on the leather, expediently the middle of the leather, comes to rest on the marking 66 when it is placed on the table 62, or the leather is then placed on the table in this way that the center or center line of the leather is at mark 66.
  • the leather could then be transported into the machine to such an extent that this point or line of the leather, which was previously located at the marking 66, comes to lie at the working point 68, so that half of it is from the center of the leather is processed by the work roll 40 and then the other half by the work roll 42.
  • the two pinch rollers 50 and 52 are individually adjustable on the transport roller 48 in order to clamp the leather between the transport roller and the associated pinch roller.
  • the clamping roller 50 can be adjusted independently by means of a piston-cylinder unit, since it is mounted independently of the three other rollers 54, 52, 56.
  • the rollers 52, 56 are mounted on the carrier 74 and the tab 75 connected to it, so that, as already described, they can be pivoted out of the working position into the open position. If the pinch roller 52 is now also to be displaced onto the transport roller 48 and pressed against it in order to achieve a pinching effect or a greater pinching effect, this can be done by appropriate mounting of the pinch roller 52 on the tab 75 (e.g. by means of a suitable elongated hole) can be achieved.
  • FIG. 4 shows the device for pivoting the carrier 74 about the central axis 82 of the roller 54 in detail.
  • the carrier 74 is provided with a lever arm 76 which is fixedly connected to it and at whose free end 78 a pneumatically actuated piston-cylinder unit 80, which is known per se, engages.
  • the piston of this assembly is extended and the carrier 74 is in the working position together with the rollers 52 and 56, not shown in FIG. 4. If, however, the piston of the assembly 80 is retracted, the lever arm 76 is pivoted clockwise about the axis 82 and with it the carrier 74 and the rollers 52 and 56 attached to it.
  • the other end of the assembly 80 is hinged to a fixed point on the housing.
  • FIG. 5 shows in detail the pivoting of the work roll 42, the pivoting of the work roll 40 taking place in mirror image of the pivoting of the work roll 42.
  • FIG. 5 shows the work roll 42, for. B. via V-belts, driven by an electric motor 84.
  • the work roll 42 is mounted on a rocker 86 which is pivotable about the pivot point 43 (which coincides with the central axis of the electric motor 84).
  • a pneumatic piston-cylinder unit 90, 91 is used to actuate the rocker 86, the piston 91 being articulated on the rocker, while the cylinder 90 is articulated on a housing-fixed holder 96, by executing the piston 91 more or less from the Cylinder 90, work roll 42 can be pressed more or less strongly against pressure device 46.
  • the pressure device consists of a pressure leather 98 (or also a leather cushion, or also of a suitable plastic material).
  • the pressure leather 98 as shown on the left in FIG. 6, is held at its upper and lower ends in a shoe 100, the upper shoe in the drawing being fixedly attached to the frame or housing of the machine.
  • the lower shoe 100 in the drawing sits in a slide 108, which in turn is connected to one end 107 of a compression spring 106, the other end 105 of which is articulated to an anchor plate 102 fixed to the housing or frame.
  • the spring 106 is designed in the form of an air spring consisting of a piston and a cylinder, which constantly tries to tension the pressure leather 98.
  • the slider 108 is movably guided in a slot 104, its lower end position being adjustable by means of an adjustable stop screw 110.
  • the slide is guided z. B. by means of a ball bearing or a roller that runs in the slot 104.
  • FIG. 6 In the right part of FIG. 6 it is shown how the work roll 40 is pressed against the pressure leather 98.
  • the shoe 100 in which the upper end of the pressure leather 98 is held, is fastened to a frame-fixed bracket 112, which in turn is provided with a deflector 114, so that the leather coming from the transport roller 48 glides past the deflector 114 and safely into the work area is inserted between the work roll 40 and the pressure leather 98.
  • the stolling machine can be controlled electrically or electronically.
  • the operator has nothing more to do than to place the leather to be processed with the meat side up on the feed table and the feed belt, taking into account the marking. After the machine is switched on, all further operations take place automatically until the finished leather is removed. The machine therefore works continuously in continuous operation.
  • the transport device is a rotating system, any length of leather and skins can be processed, and the processing itself can be repeated any number of times, so that the leather is automatically intensively tugged in and out is worked through.
  • the air spring 106 is pressed, i. H. she tries to push the slider 108 down, as a result of which the pressure leather 98 is tensioned.
  • the end 105 of the air spring 106 is then pivoted downward by approximately 140 ° or 150 ° and articulated to a suitable part of the housing or the frame of the machine, corresponding to the fastening as shown in FIG. 6 anchor plate 102 is shown.
  • the pressure leather 98 can, as already mentioned, made of plastic, for. B. made of an elastomer, but also made of rubber or a rubber-like material.
  • the work rolls 42 and 40 are arranged to be pivotable about the pivot points 43 and 41.
  • the work rolls 16, 26 and 28 are pivotally installed about the corresponding pivot points 17, 27 and 29.
  • the work rolls be installed in a stationary manner and the respective pressure devices 18, 30, 32, 44, 46 movable, for. B. slidably or pivotally and press against the associated work rolls.
  • the clamping roller 52 is connected to the roller 56 by means of a tab 75, in a corresponding manner the clamping roller 50 is connected to the driven roller 54 by means of a tab 116.
  • the two tabs 75 and 116 can be pivoted correspondingly to a limited extent about the axes of the rollers 52 and 54 (a corresponding stop (not shown) being provided to limit the pivotability), so that the clamping rollers 52 and 50 are suspended in an oscillating manner.
  • the pinch rollers 50, 52 can be individually actuated separately from one another and pressed against the transport roller 48.
  • Fig. 7 shows another embodiment of the pressure device.
  • loose pressure rollers 210, 212 are used, which, for. B. consist of hard rubber.
  • the axes of the pressure rollers 210, 212 lie parallel to the axes of the work rollers 40 and 42.
  • the work rollers 40 and 42 are pivoted as described in connection with FIG. 3, the work roller 42 against the pressure roller 210 and the work roller 40 against the pressure roller 212 is pressed.
  • the leather to be processed is then, as also described in connection with FIG. 3, drawn between a work roll and the assigned pressure roll.
  • the pressure rollers 210, 212 are permanently mounted, but they can also be installed movably in the machine and z. B. by pneumatic piston-cylinder units (not shown) against the work rolls 40, 42 are pressed.
  • FIG. 8 A further embodiment of the pressure devices is shown in FIG. 8.
  • an endless work station 216 is used, which is guided over the transport roller 48 and a loosely running support roller 214 arranged at a distance from it.
  • the work rolls 40 and 42 are pressed against the section 218 and 220 assigned to them during operation.
  • the tension of the work belt 216 can be adjusted by a pneumatic piston-cylinder unit, not shown, one end of which is attached to the frame of the machine and the other end of which is attached to the support roller 214.
  • the work belt 216 is driven by the transport roller 48.
  • the machine can also be used for stretching and fleshing, but also for ironing.
  • smooth, cylindrical rollers with a bright chrome-plated surface are used as work rollers, which are heated on the inside and which, as in the above-described embodiments, are pressed against the leather (or skin or fur) to be processed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (5)

1. Machine à palissonner conçue pour traiter du cuir et des peaux, équipée d'au moins un cylindre de travail rotatif garni de lames à palissonner et/ou d'affiloirs, d'un dispositif flexible- élastique servant à serrer la pièce à travailler contre le cylindre de travail, d'un cylindre transporteur et de deux cylindres de serrage afin de passer la pièce à travailler entre le dispositif de serrage et le cylindre de travail, caractérisée par deux autres cylindres (54, 56) affectés aux deux cylindres de serrage (50, 52), et une bande transporteuse sans fin (58) qui passe autour de ces quatre cylindres, entourant également le cylindre transporteur (48) sur une partie de sa circonférence, et le cylindre de serrage (52) situé du côté alimentation de la machine à palissonner qui est orientable, ensemble avec la bande transporteuse (58), de sa position de travail pour adopter une position ouverte permettant d'introduire une pièce à travailler (14) entre la surface de la chemise du cylindre transporteur (48) et la bande transporteuse (58).
2. Machine à palissonner suivant la revendication 1, caractérisée par le cylindre de serrage (52) et les cylindres (56 et 54) qui sont montés sur un support commun (74, 75), orientable autour de l'axe central (82) du cylindre (54) hors de la position de travail des cylindres à la position ouverte et vice-versa.
3. Machine à palissonner suivant les revendications 1 ou 2, caractérisée parce que pour introduire la pièce à travailler (14) dans la machine à palissonner (10) on a prévu une table d'alimentation (62) avec une bande d'alimentation (64), qui - en position ouverte de la bande transporteuse (58) - peut être entrée dans la fente d'introduction entre cette dernière et le cylindre transporteur (48), et que la table d'alimentation (62) est munie de repères (66) pour disposer la pièce à travailler sur cette table.
4. Machine à palissonner suivant la revendication 1, caractérisée par un dispositif de serrage conçu sous forme d'une bande de travail sans fin (216) qui passe par le cylindre transporteur (48) et un cylindre d'appui (214) fou.
5. Machine à palissonner suivant l'une des revendications ci-dessus, caractérisée par des dispositifs flexibles de serrage (44, 46, 30, 32, 18, 216) qui peuvent être serrés à l'aide d'un ressort ou d'un groupe piston-cylindre.
EP83100774A 1982-02-03 1983-01-27 Machine à palissonner Expired EP0085908B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100774T ATE23561T1 (de) 1982-02-03 1983-01-27 Stollmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3203619 1982-02-03
DE19823203619 DE3203619A1 (de) 1982-02-03 1982-02-03 Stollmaschine

Publications (3)

Publication Number Publication Date
EP0085908A2 EP0085908A2 (fr) 1983-08-17
EP0085908A3 EP0085908A3 (en) 1984-09-26
EP0085908B1 true EP0085908B1 (fr) 1986-11-12

Family

ID=6154677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100774A Expired EP0085908B1 (fr) 1982-02-03 1983-01-27 Machine à palissonner

Country Status (10)

Country Link
US (1) US4542634A (fr)
EP (1) EP0085908B1 (fr)
JP (1) JPS58134200A (fr)
AR (1) AR242637A1 (fr)
AT (1) ATE23561T1 (fr)
BR (1) BR8300519A (fr)
CS (1) CS257257B2 (fr)
DE (1) DE3203619A1 (fr)
ES (1) ES8400774A1 (fr)
IN (1) IN159649B (fr)

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
FR2579225B1 (fr) * 1985-03-22 1987-06-05 Montels Frack Procede et machine de traitement de peaux en surface
NZ505896A (en) * 2000-07-21 2003-05-30 Ind Res Ltd Method and apparatus for assessing or predicting characteristics of wood or other materials by varying frequency of acoustic transmitter and sensing a response
ITVR20110148A1 (it) * 2011-07-14 2013-01-15 Bergi S P A Macchina levigatrice/smerigliatrice per pelli
CN108265129A (zh) * 2018-02-05 2018-07-10 海宁市硖石玛杰济斯皮革服装厂 一种皮革加工用拉软设备
CN109055624A (zh) * 2018-08-02 2018-12-21 浙江嘉善悦达针织毛皮有限公司 一种毛皮的削里设备
CN109022626A (zh) * 2018-08-02 2018-12-18 浙江嘉善悦达针织毛皮有限公司 一种毛皮的削里方法
CN114921593B (zh) * 2022-02-16 2023-08-01 戴建波 一种基于原材料的光影革加工装置及其方法

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Publication number Priority date Publication date Assignee Title
US539104A (en) * 1895-05-14 Leather-working machine
DE197608C (fr) *
DE279303C (fr) *
DE286516C (fr) *
US592952A (en) * 1897-11-02 Hide and skin machinery
AT31008B (de) * 1906-06-27 1907-12-10 John William O'donnell Maschine zum Bearbeiten von Häuten und Feilen.
US1075887A (en) * 1910-04-29 1913-10-14 Robert F Whitney Hide-working machine.
AT50679B (de) * 1910-05-28 1911-11-10 Louis Richter Maschine zum Bearbeiten von Häuten und Fellen.
US977132A (en) * 1910-06-10 1910-11-29 Louis Richter Machine for preparing hides and skins of every description.
US1117227A (en) * 1913-10-28 1914-11-17 John Ormerod Machine for dressing hides, skins, and the like.
US1959589A (en) * 1928-11-10 1934-05-22 Turner Tanning Machinery Co Machine for operating upon hides, skins, and leather
US2603079A (en) * 1950-07-05 1952-07-15 Arno Ab Staking wheel
FR1280606A (fr) * 1960-09-05 1962-01-08 Mercier Freres Machine pour le travail des cuirs et peaux, à alimentation continue
DE1435305B2 (de) * 1960-09-06 1976-09-30 Strojosvit, N.P., Krnov (Tschechoslowakei) Maschine zum bearbeiten von fellen, haeuten und leder
FR1308609A (fr) * 1961-08-31 1962-11-09 Strojosvit Np Procédé et dispositif pour un travail continu, automatique et en deux phases, de peaux, cuirs ou autres matériaux semblables de faible épaisseur
FR1554440A (fr) * 1967-02-22 1969-01-17
GB1233249A (fr) * 1968-01-27 1971-05-26
GB1444850A (en) * 1973-08-08 1976-08-04 Rizzi & Co Spa Luigi Device for the resilient support of skins in machines for processing skins and hides
AT340560B (de) * 1975-08-14 1977-12-27 Schmidt Alexander Gmbh Vorrichtung zum entfleischen von tierhauten, insbesondere von rinderhauten
FR2376212A1 (fr) * 1976-12-28 1978-07-28 Mercier Georges Procede et machine de mise en oeuvre du procede pour echarner les cuirs et peaux

Also Published As

Publication number Publication date
AR242637A1 (es) 1993-04-30
EP0085908A2 (fr) 1983-08-17
ES519497A0 (es) 1983-12-01
ATE23561T1 (de) 1986-11-15
US4542634A (en) 1985-09-24
EP0085908A3 (en) 1984-09-26
DE3203619A1 (de) 1983-08-11
CS257257B2 (en) 1988-04-15
ES8400774A1 (es) 1983-12-01
BR8300519A (pt) 1983-11-08
IN159649B (fr) 1987-05-30
JPS58134200A (ja) 1983-08-10

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