US3762190A - Apparatus for treating hide and leather pieces in tanneries - Google Patents

Apparatus for treating hide and leather pieces in tanneries Download PDF

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Publication number
US3762190A
US3762190A US00163661A US3762190DA US3762190A US 3762190 A US3762190 A US 3762190A US 00163661 A US00163661 A US 00163661A US 3762190D A US3762190D A US 3762190DA US 3762190 A US3762190 A US 3762190A
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Prior art keywords
pieces
vat
liquid
treated
rollers
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Expired - Lifetime
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US00163661A
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English (en)
Inventor
H Ruffer
W Kempin
A Kraus
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STAUB AND CO AG
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STAUB AND CO AG
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Priority claimed from CH1275768A external-priority patent/CH500015A/de
Priority claimed from CH1624568A external-priority patent/CH492023A/de
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    • 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
    • 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
    • C14B2700/00—Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Making driving belts; Machines for splitting intestines
    • C14B2700/27—Rotating drums for treating leather

Definitions

  • Kleeman ABSTRACT An apparatus for continuously treating hide, leather and pieces of similar material by subjecting the pieces to be treated to exposure to a liquid treating agent selected to effect at least one of a tanning, post-tanning, oiling, fat-liquoring, surface dyeing, through dyeing and impregnating treatment in which pieces to be treated are successively fed to and through a liquid treating agent containing a treatment zone while the movement of the pieces through the zone is so guided that all surfaces of the pieces are exposed to umimpeded contact with the liquid treating agent and just prior to leaving the treatment zone, the leading ends of the successive pieces are grasped by and fed through cooperating pressing rollers to squeeze out excess liquid therefrom as they are leaving the treatment zone.
  • the pieces leaving one treatment zone can be fed to and through a succeeding treatment zone containing the sameor a different liquid treating agent and the intensity of the treating action can be increased by heating and/or subjecting the liquid within the zone to ultrasonic excitation or vibration.
  • the present invention relates to an improved apparatus for treating hide or leather pieces by moving such hide or leather pieces in one or several known liquids for tanning, post-tanning, oiling, fat-liquoring, surface dyeing or through dyeing and impregnating.
  • the hide or leather pieces are placed into drums or barrels in which they are, for example, tanned, oiled, fat-liquored, dyed and/or impregnated During the work process these barrels rotate for several hours around an axis in order to uniformly expose the leather on all sides to the action of the treatment liquid.
  • the movement of the pieces in these barrels which are mostly constructed of wood, is facilitated or aided by many irregularities in the form of pegs, impact boards or spiral-shaped baffle plates.
  • the leather By means of these irregularities and also by means of the rather rough interior barrel walls, the leather, however, is frequently damaged in its grain and it receives a coarse pore configuration as the result of the long fulling action. For this reason, the hides are frequently bound first so that the finer side of the leather (grain side) faces inwardly and thus can be subjected to less damage.
  • the chemicals used in the barrels for tanning, dyeing or impregnating purposes are dissolved in or diluted with a substantial quantity of hot or cold water so that the amount of the various chemicals used in relation to the quantity taken up by the leather is rather large and thus uneconomical.
  • the individual treatment of individual hide or leather pieces in barrels is therefore, uneconomical, in addition to the substantial expenditure in time.
  • the primary object of the instant invention is to provide an improved apparatus for the continuous, easily controllable treating of hide and leather pieces which may also be sensitive and soft, possess irregular shapes and have varying moisture content.
  • This apparatus shall enable, by utilizing an intensively and rapidly acting treatment liquid, the obtainment of a good and uniform tanning or post-tanning or surfaceor through dyeing, respectively, of the hide or leather pieces with the least expenditure of materials, manual labor, power, heat and time.
  • the swelling of the hide or leather pieces which occurred during known treatment in a barrel as a result of the 'long fulling dura tion is prevented and thus the pore configuration shall be significantly refined.
  • This object can be effectively realized in that the hide or leather pieces to be treated are conveyed in guided movement through one or several zones in which they come into unfettered or unimpeded contact with the liquid on all sides, wherein the concentration and temperature of the liquid(s) is selected such that one achieves an intensive action upon the hide or leather pieces and wherein the hide or leather pieces, immediately upon leaving the one or each of the several liquid zones, respectively, are uniformly relieved of their wetness or excess liquid by pressing.
  • another object is to provide an apparatus construction wherein the speed of the guided movement of the hide or leather pieces through the liquid can be selected in dependency upon the intensity of the action of the used liquid and/or the desired product quality and the properties, for example, the thickness of or the initial moisture content of the pieces to be treated.
  • the pressing pressure of the discharge or pressing rollers can be regulated advanta-' geously in dependency upon the changing leather quality, for example, the change in thickness of the leather pieces being treated.
  • the pressing pressure of the discharge or pressing rollers can be regulated advanta-' geously in dependency upon the changing leather quality, for example, the change in thickness of the leather pieces being treated.
  • tanning solutions of known composition which may contain, in addition to a tanning, dyeing and/or im-- pregnating medium, water, a conventional solvent and suitable.
  • Another and more specific object of the invention is to provide an apparatus for carrying out the treatment which includes means defining a treatment zone or vat, a conveyor means terminating at one side or the inlet side, respectively, of said zone or vat, pressing rollers provided at the outlet side of said zone or vat and means provided in the zone or vat for guiding and moving the hide or leather pieces which have to be transported through the liquid from the inlet to the outlet side of the zone or vat and in which said means permits an unimpeded, all-sided contact of the treating liquid with the leather pieces being moved through the treatment zone.
  • suitable conveying means are, for example, grid or screen type conveyor belts, conveyor belts with projections thereon or rollers equipped with discs or brushes.
  • the liquid-permeable belts and rollers guide the hide or leather pieces from above and below in such manner that the pieces are guided forcibly and cannot, for example, float up out of the liquid in the zone or vat and thus the moving pieces safely reach the gap between the pressing rollers.
  • the gap between the pressing rollers is such that it lies only slightly above the level of the liquid in the zone or vat.
  • FIG. 1 is a view partly in elevation and partly in longitudinal cross section diagrammatically illustrating an apparatus utilizing conveyor belt or band means for transporting or conveying hide or leather pieces through a treatment zone or vat;
  • FIG. 2 is a similar view illustrating a modified form of apparatus utilizing roller means for guiding and transporting or conveying hide or leather pieces through a treatment zone or vat;
  • FIG. 3 is a fragmentary top plan view of one form of transporting or conveying roller means
  • FIG. 3a is a cross sectional view taken along line 3a3a of FIG. 3;
  • FIG. 4 is a top plan view illustrating another form of transporting or conveying roller means
  • FIG. 5 is a diagrammatic cross sectional view illustrating another embodiment of an apparatus for carrying out the process of this invention in which the hide or leather pieces are guided and conveyed vertically through the treatmeant zone or vat and into the gap between the pressing rollers;
  • FIG. 6 is a side elevational view of an entire apparatus arrangement operating according to the principle shown in FIG. I;
  • FIG. 7 is a top plan view of the apparatus shown in FIG. 6;
  • FIG. 8 is an end elevational view of the arrangement shown in FIGS. 6 and 7 as viewed from the right.
  • the feeding of the hide or leather pieces I to the treatment zone takes place via a conveyor belt 2 which receives the pieces either from an identical or similar treatment installation preceding the instant installation, or upon which the pieces to be treated are placed by hand.
  • a conveyor belt 2 which receives the pieces either from an identical or similar treatment installation preceding the instant installation, or upon which the pieces to be treated are placed by hand.
  • the pieces are introduced into the path of conveying or transporting means located within the liquid treatment zone.
  • the pieces are moved through the liquid located in a vat 7 on a lower grid-like perforated or screen or wire mesh conveyor belt 5 which cooperates with a similar upper loading or pressing belt 6.
  • Guide means such as rollers 6' keep the upper belt taut during its movement.
  • the conveyor belt or belts, respectively, must be con structed such that they guide the hide or leather pieces, but at the same time assure unimpeded admission of or contact of the liquid with the surfaces of the pieces. Therefore, instead of using grid-like conveyor belts, one could also use, for example, belts equipped with projecting pegs, lugs, pins or bristles.
  • the upper loading belt 6 has the purpose of holding the pieces on conveyor belt 5 and prevents them from floating up or forming wrinkles in their surfaces.
  • a safe guidance of the pieces is also required in order to introduce them safely into the roller gap of the pressing rollers 8 and 9 provided at the end of the conveyor path and at the outlet side of the vat, respectively.
  • the conveyor belts 5, 6 of which one or both are driven, and the pressing rollers 8,9 are regulated in their speed by continuous drive means so that they always operate at their optimum conveyor speed.
  • the conveyor belt 5 is completely immersed in the liquid, only the lower run of belt 6 is immersed in the liquid, most of the surface of pressing roller 8 is immersed and none of the surface of pressing roller 9 is immersed, thus making it possible to forego or eliminate the need for complicated ceilings or top structures for the vat.
  • Both pressing rollers 8 and 9 are superimposed, it being preferable that they be so disposed in relation to one another that a common plane passing through their axes is inclined forwardly from the vertical in the conveying direction.
  • the liquid level 10 in vat 7 is kept permanently at the same level by a recirculating pump and an overflow, see FIGS. 6 to 8.
  • the liquid level is disposed relative to the conveyor belts in such manner that the leather pieces lose contact with the belts when still immersed within the liquid and that they thereafter only emerge above the liquid level and reach the roller gap.
  • the liquid is brought to the desired temperature'and maintained at said temperature by a heating unit 11 disposed in the vat, said heating unit serving at the same time as a displacement body. 7 1
  • the heating unit is constructed as a displacement body in order to be able to carry out the leather treatment utilizing as little liquid as possible. As a result, it is also possible to treat individual leather pieces economically.
  • a thermostat not shown, through which the desired temperature of the liquid is maintained.
  • strippers I2 and I3 At the outlet side of the pressing rollers 8 and 9, there are provided strippers I2 and I3 which lift the hide or leather pieces off of the surface of the pressing rollers so that they can be removed from the treatment installation or can be delivered to a further conveyor belt. Vat 7 and all parts coming into contact with the treatment liquid are made of stainless steel or plastic.
  • a uniform pressing pressure of rollers 8 and 9 can be obtained by spring pressure, pneumatically, hydraulically or by a weight load.
  • FIG. 2 differs from that of FIG. 1 in that in this embodiment, the hide or leather pieces are guided through the treatment liquid' between lower and upper rollers 14 and 15 to pressing rollers 8 and 9.
  • annular rings 16 or spirally arranged bands, brushes, pegs or pins 17 At the circumference of rollers 14 and 15, there are secured annular rings 16 or spirally arranged bands, brushes, pegs or pins 17.
  • FIGS. 3 and 3a illustrate in partial view several of rollers 14 and 15 having spirally arranged elevations 17 provided on their circumference. In the center or mid portion of the rollers, the spiral lines formed by the elevations are interrupted at 17 and continue on the other side of this interruption with opposite pitch.
  • FIG. 4 also illustrates transport rollers 14 or 15, but in this form, they have at their circumference circular rings 16 inclined outwardly from the center of the path of transport. These circular rings can be continuous or they can be interrupted in the manner of a toothed gear. By virtue of their being oppositely inclined on both sides of the center of the path of movement, the formation of wrinkles in the hide or leather pieces is prevented.
  • the transport rollers are driven by chains 18 and 19 trained over sprockets on the ends of the roller shafts and driven by a continuous drive means, not shown. If desired, the drive for the rollers can be a variable speed drive.
  • the roll of the lower transport rollers 14 fulfills at the same time the task of displacement heating body 11 in FIG. 1. The heating of the liquid bath in the FIG.
  • the vat 21 is delimited at its lower side by the two pressing rollers 22 and 23 and at its sides by side walls 24 which are flush with the pressing rollers.
  • the level 10 of the liquid bath in this vat' is always maintained at the same height by a recirculating pump, not shown, which draws the liquid out of a heated container and feeds it to the vat, and by an overflow in a side wall 24 which communicates with the heated container.
  • deflecting grates or vanes 25 are provided on both sides of the conveyor path within the liquid.
  • the strippers 26 contact with the surface of the rollers in order to convey pieces which may possibly adhere to the rollers by deflecting same onto the lower conveyor means 27.
  • the conveyor belts and pressing rollers are likewise driven via continuous drive means and the pressing pressure of the pressing or squeezing rollers is controlled pneumatically.
  • the pressing rollers are coated with an elastic coating 28 of differing hardness so that the roller gap closes at the sides of the hide or leather pieces and that only insignificant quantities of liquid can pass through the press or roller gap, respectively.
  • the completely hermetic sealing of this installation is more expensive and ifthere are possible leakages, then dye liquid, for example, can reach the leather which has been pressed out already and may leave dye traces. For this reason, the dyeing action at the edges of the leather is somewhat stronger in this installation than at the remaining leather surface. Also, the length of the conveyor path within the liquid can be varied only slightly.
  • FIGS. 6 to 8 illustrate the components of a treating installation that operates in accordance with the princi ple disclosed with relation to FIG. 1.
  • frame means 29 and 30, respectively support the infeed conveyor means 2 and the vat and its associated components.
  • the two frames are mounted in succession so that it is easy to monitor the treatment operation.
  • the vat 7 is supported by the frame 30 and within the vat is the lower conveying belt 5 which may be of grid-like structure, a screen or wire mesh belt.
  • the upper and cooperating similar belt 6 likewise is supported within the vat.
  • Transverse frame components 31 of the frame 30 support interconnected motor-continuous drive units 32,34 and 33,35, respectively.
  • the motor drive unit 32,34 drive the infeed belt 2 and the conveying and guiding or holding belts 5 and 6.
  • the other motor-drive unit 33,35 drives pressing rollers 8 and 9.
  • the pressing action of the rollers 8 and 9 is effected by pressure cylinder-piston means 36 and 27 which apply pressure to rods 36, 37 that are in turn connected to the opposite ends of the axle or shaft of roller 9.
  • Suitable guide means permit movement of roller 9 toward and away from roller 8.
  • Pressure within the pressure cylinder-piston means is provided from a source, not shown, through an infeed line that communicates with a pressure adjusting regulating valve 38.
  • the pressure source which can be compressed air, is fed via compressed air conduit 39 to the pressure cylinder means 36,37 and a safety valve 40 is associated with the compressed air conduit 39.
  • the heating unit 11 is located within the vat and functions as'a displacement body so that the amount of treating liquid required is at a minimum.
  • the heating unit is of the steam type and steam is fed to the heater via a steam feed conduit 41.
  • the heat output is controlled by a thermostat 42 located in the steam feed conduit 41.
  • the condensate leaves the heating unit 11 via the discharge conduit 43.
  • a supply container 45 which contains the particular treating liquid being used.
  • a motor operated pump 44 withdraws the treating liquid from the container 45 and feeds the same into the vat 7 by means of an inlet conduit 46.
  • An overflow conduit 47 communicates with the container .45 and keeps the liquid level 10 at a constant level.
  • the pump 44 thus can function as a recirculating pump for recirculating the treating liquid.
  • a drawoff or suction hood device 48 can be associated with the vat so that the solvent can be drawn off by a suction fan 49 and conveyed to a solvent recovery unit 50.
  • the volative solvent vapors are condensed and recovered.
  • one or more ultrasonic heads 51 are mounted be:
  • mechanical vibrators 52 can be arranged within the vat, see FIG. 1. Due to the vibration or ultrasonic excitation of the liquid, the intensity of the action of the liquid on the pieces being treated is increased so that the residence time of the pieces in the vat can be reduced. In other words, by utilizing the ultrasonic heads or mechanical vibrators, the speed of the treatment is increased and more pieces can be handled and subjected to the desired treatment in a given period of time.
  • drawoff or suction hood device shown diagrammatically in FIG. 1 can be associated with any form of vat or container and likewise, the ultrasonic generator or the mechanical vibrator can be utilized with any type vat, trough or chamber constructed to carry out the teachings of this invention.
  • the installations of this invention permit the use of rapidly acting liquids and so obtain a good and. uniform quality of leather.
  • conveyor means terminating at the inlet side above the liquid level for feeding successive pieces into said vat, cooperating pressing roller means at said outlet side for squeezing excess liquid from said pieces, means within said vat for continuously unimpedingly moving the pieces being treated through the vat below the liquid level therein from the inlet to the outlet side in an immersed floating condition in said liquid treating agent, said means being constructed and arranged as to allow unimpeded access of the treating liquid to substantially ali sides of the pieces being treated and means for maintaining said pieces being treated in a floating condition by preventing the rise of said pieces to the liquid surface while said pieces are being moved from the vat inlet to outlet.
  • Apparatus for treating hide, leather and pieces of similar material by subjecting the pieces to be treated to exposure to a liquid treating agent selected to effect at least one of a tanning, post-tanning, oiling, fatliquoring, surface dyeing, through dyeing and impregnating treatment comprising means defining a liquid containing vat having an inlet side for the introduction of pieces to be treated and an outlet side for the discharge of treated pieces, conveyor means terminating pore configuration of the leather is preserved.
  • the belts 5 and 6 are constructed with interstices such as to allow unimpeded liquid contact with the pieces and the term foraminous used in the claims is intended to cover any type conveyor arrangement that fulfills this purpose.
  • foraminous is intended to mean a grid-like structure, a wire mesh, a screen, a link and loop structure, chain connected transverse rods or any similar arrangement.
  • Apparatus for treating hide, leather and pieces of similar material by subjecting the pieces to be treated to exposure to a liquid treating agent selected to effect at least one of a tanning, post-tanning, oiling, fatliquoring, surface dyeing, through dyeing and impregnating treatment comprising means defining a liquid containing vat having an inlet side for the introduction at the inlet side above the liquid level for feeding successive pieces into said vat, cooperating pressing roller means at said outlet side for squeezing excess liquid from said pieces, said pressing roller means being positioned with its longitudinal axis in an inclined plane, means within the vat for guiding and continuously unimpedingly moving the pieces to be treated below the liquid level substantially linearly and without appreciable deflection within the vat from the inlet side to said pressing roller means in an immersed floating condition in said liquid treating agent, said means being constructed and arranged as to allow unimpeded access of the treating liquid to substantially all sides of the pieces being treated and means for maintaining said pieces being treated in floating condition while preventing the rise of said
  • Apparatus as claimed in claim 2 and said guiding and moving means comprising foraminous endless conveyor means including at least two cooperating, facing runs within the vat and below the liquid level therein and between which said pieces are moved.
  • Apparatus as claimed in claim 2 and said guiding and moving means comprising endless conveyor means including at least two cooperating facing runs below the liquid level within the vat and having projections thereon and between which runs said pieces being treated are moved.
  • Apparatus as claimed in claim 2 and said guiding and moving means comprising roller means arranged in upper and lower series of parallel rollers displaced below the liquid level within the vat, and between which upper and lower series of rollers, said pieces being treated are moved.
  • Apparatus as claimed in claim 10 and said projections being arranged in two generally helical formations of opposite pitch on opposite sides of the centers of the length of said rollers.
  • Apparatus as claimed in claim 2 and said guiding and moving means comprising conveyor means including at least two facing cooperating runs within said vat below the liquid level therein and between which said pieces are moved, means for driving one of said runs, said other run engaging the pieces being moved and moving therewith.
  • Apparatus as claimed in claim 2 and said guiding and moving means comprising conveyor means including at least two facing cooperating runs within said vat below the liquid level therein and between which said pieces are moved and drive means for driving both said runs.
  • Apparatus as claimed in claim 13 and said drive means being an infinitely variable drive means.
  • Apparatus as claimed in claim 22 and said means for regulating the pressure applied by said pressing roller means including weights.
  • Apparatus as claimed in claim 22 and said means for regulating the pressure applied by said pressing roller means including springs.
  • Apparatus as claimed in claim 2 and said vat having an inlet for liquid treating agent and an overflow outlet.
  • Apparatus as claimed in claim 2 wherein said means for maintaining said pieces in a floating condition comprises roller means at least partially removed from said treating liquid.
  • Apparatus as claimed in claim 29 wherein said means for maintaining said pieces in a floating condition comprises an endless belt carried by said roller means.
  • roller means includes a plurality of aligned parallel rolls.

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  • 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)
  • Massaging Devices (AREA)
  • Treatment Of Fiber Materials (AREA)
US00163661A 1968-08-26 1971-07-19 Apparatus for treating hide and leather pieces in tanneries Expired - Lifetime US3762190A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1275768A CH500015A (de) 1968-08-26 1968-08-26 Verfahren und Vorrichtung zum Färben von Leder
CH1624568A CH492023A (de) 1968-10-31 1968-10-31 Verfahren und Maschine zur Behandlung von Haut- oder Lederstücken in Gerbereien

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US3762190A true US3762190A (en) 1973-10-02

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US00163661A Expired - Lifetime US3762190A (en) 1968-08-26 1971-07-19 Apparatus for treating hide and leather pieces in tanneries

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US (1) US3762190A (enrdf_load_stackoverflow)
AT (1) AT306912B (enrdf_load_stackoverflow)
BE (1) BE737865A (enrdf_load_stackoverflow)
DE (1) DE1937671A1 (enrdf_load_stackoverflow)
ES (1) ES371073A1 (enrdf_load_stackoverflow)
FR (1) FR2016362A1 (enrdf_load_stackoverflow)
GB (1) GB1282445A (enrdf_load_stackoverflow)
NL (1) NL6912796A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267714A (en) * 1977-09-15 1981-05-19 S.P.A. Luigi Rizzi & C. Hydraulic device for producing a to-and-fro movement
US4559793A (en) * 1981-10-12 1985-12-24 Geweniger Karl Otto Processing plant for treating hides, skins, pieces of leather and the like
WO2009059770A1 (de) * 2007-11-07 2009-05-14 Stangl Semiconductor Equipment Ag Vorrichtung und verfahren zur beschichtung einer oberfläche
EP3103887A1 (en) 2015-06-11 2016-12-14 GE.MA.TA. S.p.A. Machine for continuous dyeing of leather items

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2109313A1 (de) * 1970-03-04 1971-09-30 CIBA Geigy AG, Basel (Schweiz) Verfahren zum Farben von Leder
DE3930965A1 (de) * 1989-09-15 1991-03-28 Dynavac Gmbh Einrichtung zur dampfbehandlung von leder und dergl.
RU2278165C1 (ru) * 2004-12-08 2006-06-20 Московский государственный университет дизайна и технологии (МГУДТ) Способ обработки мехового полуфабриката
CN108456752A (zh) * 2018-02-01 2018-08-28 海宁市硖石玛杰济斯皮革服装厂 一种基于皮革生产的油脂消除设备
CN113578687B (zh) * 2021-08-13 2022-10-14 海南赛诺实业有限公司 一种涂布除皱装置和涂布生产设备

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US50998A (en) * 1865-11-21 Improvement in tanning
US89166A (en) * 1869-04-20 Improved washing- and wring-ing-machine
US241571A (en) * 1881-05-17 Machine for scouring and cleaning woolen yarn
US478499A (en) * 1892-07-05 burns
US2360379A (en) * 1942-09-15 1944-10-17 Continental Machinery Co Inc Degreasing machine
US2530494A (en) * 1946-02-08 1950-11-21 Oliver S Vigerust Flatwork washer
US2724254A (en) * 1951-05-16 1955-11-22 Zanger Arnold Apparatus for dyeing continuous lengths of fabric
SU150968A1 (ru) * 1961-12-22 1962-11-30 П.П. Широков Аппарат дл непрерывной поштучной обработки шкур на мокрых операци х
US3085421A (en) * 1960-01-25 1963-04-16 Strojosvit Np Automatic machine for continuous treatment of hides and leather
US3165912A (en) * 1962-08-08 1965-01-19 Moenus Maschf Feeding device for band knife splitting machines
US3203207A (en) * 1962-07-05 1965-08-31 Anciens Ateliers Victor Charpe Wool-washing machine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US50998A (en) * 1865-11-21 Improvement in tanning
US89166A (en) * 1869-04-20 Improved washing- and wring-ing-machine
US241571A (en) * 1881-05-17 Machine for scouring and cleaning woolen yarn
US478499A (en) * 1892-07-05 burns
US2360379A (en) * 1942-09-15 1944-10-17 Continental Machinery Co Inc Degreasing machine
US2530494A (en) * 1946-02-08 1950-11-21 Oliver S Vigerust Flatwork washer
US2724254A (en) * 1951-05-16 1955-11-22 Zanger Arnold Apparatus for dyeing continuous lengths of fabric
US3085421A (en) * 1960-01-25 1963-04-16 Strojosvit Np Automatic machine for continuous treatment of hides and leather
SU150968A1 (ru) * 1961-12-22 1962-11-30 П.П. Широков Аппарат дл непрерывной поштучной обработки шкур на мокрых операци х
US3203207A (en) * 1962-07-05 1965-08-31 Anciens Ateliers Victor Charpe Wool-washing machine
US3165912A (en) * 1962-08-08 1965-01-19 Moenus Maschf Feeding device for band knife splitting machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267714A (en) * 1977-09-15 1981-05-19 S.P.A. Luigi Rizzi & C. Hydraulic device for producing a to-and-fro movement
US4559793A (en) * 1981-10-12 1985-12-24 Geweniger Karl Otto Processing plant for treating hides, skins, pieces of leather and the like
WO2009059770A1 (de) * 2007-11-07 2009-05-14 Stangl Semiconductor Equipment Ag Vorrichtung und verfahren zur beschichtung einer oberfläche
EP2223750A2 (de) 2007-11-07 2010-09-01 Stangl Semiconductor Equipment AG Vorrichtung und Verfahren zur Beschichtung einer Oberfläche
US20100279017A1 (en) * 2007-11-07 2010-11-04 Stangl Semiconductor Equipment Ag Device and method for coating a surface
EP3103887A1 (en) 2015-06-11 2016-12-14 GE.MA.TA. S.p.A. Machine for continuous dyeing of leather items

Also Published As

Publication number Publication date
NL6912796A (enrdf_load_stackoverflow) 1970-03-02
GB1282445A (en) 1972-07-19
AT306912B (de) 1973-04-25
DE1937671A1 (de) 1970-08-27
BE737865A (enrdf_load_stackoverflow) 1970-02-02
FR2016362A1 (enrdf_load_stackoverflow) 1970-05-08
ES371073A1 (es) 1972-02-16

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