EP3440228A1 - Gerbvorrichtung mit drehbar gelagertem druckbehälter - Google Patents
Gerbvorrichtung mit drehbar gelagertem druckbehälterInfo
- Publication number
- EP3440228A1 EP3440228A1 EP17715114.9A EP17715114A EP3440228A1 EP 3440228 A1 EP3440228 A1 EP 3440228A1 EP 17715114 A EP17715114 A EP 17715114A EP 3440228 A1 EP3440228 A1 EP 3440228A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure vessel
- tanning
- tanning device
- pressure
- drive
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
Definitions
- the present invention relates to a tanning apparatus for tanning, retanning and / or dressing collagen-containing material, in particular animal skins and / or hides.
- Such a tanning device can be used in various process steps of leather production such.
- decalcifying, pimples, tanning, retanning, etc. are used.
- retanning falls, for example, a hydrophobing tanned leather by means of suitable substances.
- the term "leather” in the context of this disclosure at least partially understood tanned, collagen-containing material with and without hair, which has been obtained by a tanning process. Accordingly, the term “leather” includes not only leather as such, but also furs and skins made from animal hides or skins as well as intermediates such as wet-blue and crust.
- the leather may be derived from any animal such as cattle, sheep, goats, swine, buffalo, birds, reptiles, etc.
- the described tanning apparatus may be used regardless of the type, material thickness and nature of the collagen-containing material.
- Conventional tanning devices include movable, cylindrical containers made essentially of wood, plastic or metal. These conventional containers or barrels are charged before the process step of tanning, retanning or trimming via an opening of the container with an aqueous medium and the material to be tanned. Further, the container for the respective process step necessary chemicals such as acids, bases, tannins, salts, fatliquoring agents, oils, colors, etc. fed through this opening. The substances supplied should be brought as evenly as possible by means of the tanning device with the material to be tanned. For this purpose, the aqueous medium is used as the transport medium and the container is set in motion, so that the aqueous medium and the chemicals contained in it distribute in the material to be tanned.
- the tanning devices known from the prior art are adapted to the requirements of conventional tanning processes and their process steps.
- conventional tanning procedures performed using conventional tanning equipment are often very time consuming and lead to high levels of tanning Environmental impact from acid, salt and solvent-containing wastewater resulting from the process.
- the use of conventional tanning apparatus to perform conventional tanning processes requires a variety of manual operations to be performed. Also for this reason, there is a need for improved, industrially applicable tanning apparatus and tanning methods.
- the tanning device comprises a rotatably mounted pressure vessel for receiving material to be treated and a drive which is designed to set the pressure vessel in rotation, wherein the pressure vessel comprises:
- At least one mixing element which is arranged in the pressure vessel and projects into an interior of the pressure vessel;
- the tanning apparatus comprises a liquid and compressed gas feed unit in the form of a rotary feedthrough, which is arranged on a first end face of the pressure vessel and extends coaxially to a rotation axis of the pressure vessel from the outside through the first end face into the pressure vessel.
- leather can be produced with the tanning apparatus according to the invention in industrially relevant batch sizes under the influence of a compressed fluid, in particular using compressed carbon dioxide.
- a rotational movement of the pressure vessel neither hindered nor limited. Rather, by means of unimpeded rotational movement and the At the same time made possible under pressure of the pressure vessel to ensure a highly efficient, economical and environmentally friendly treatment of the material to be treated.
- a pressurization of the pressure vessel which is made possible by the tanning apparatus according to the invention, not only before but also during the performance of a treatment in the context of a tanning process, permits the realization of novel tanning processes. Under the influence of z. As compressed carbon dioxide leather can be prepared in much less time and / or without or with a significantly reduced addition of acids, salts and solvents.
- the rotary feedthrough is sealed off from the first end face, for example by means of a stuffing box. As a result, pressure and fluid losses of the charged tanning device can be avoided.
- the rotary union may be tubular and externally connected to a liquid and compressed gas supply system.
- a liquid for example, water and as a compressed gas, for example, compressed carbon dioxide can be supplied via the rotary feedthrough to the pressure vessel. Only the material to be treated must continue to be supplied to the pressure vessel through the loading and unloading or removed. Thus, the pressure vessel can be charged substantially automatically, whereby the number of necessary manual steps to be performed can be reduced.
- the rotary feedthrough outside the pressure vessel may be partially guided by a support means of the pressure vessel to which the pressure vessel is rotatably mounted at least at its first end face. It is understood that a further support means for rotatably supporting the pressure vessel may be provided on a second end face of the pressure vessel opposite the first end face.
- the rotary feedthrough can also serve as a discharge device by externally or alternatively connected to a drainage system.
- a valve means may be provided to selectively connect the rotary union to the supply system or the drainage system.
- the pressure vessel and the rotary feedthrough can withstand a pressure of 5 to 200 bar, preferably a pressure of 15 to 150 bar.
- Use of the tanning apparatus according to the invention therefore makes it possible, for example, to peat-free skins and skins in the presence of compressed carbon dioxide, ie to reduce the pH of the hides and skins without the addition of acids and salt.
- the pressure vessel and the rotary feedthrough may be designed to withstand at least a pressure between 15 bar and 30 bar.
- the tanning apparatus according to the invention can serve to tan hides and skins in the presence of compressed carbon dioxide without wastewater and with enormous savings of time with metal salts.
- the pressure vessel and the rotary feedthrough can be designed such that they withstand at least a pressure between 20 bar and 60 bar.
- the tanning apparatus according to the invention can serve to drive fats and oils into hides and skins without solvent.
- the pressure vessel and the rotary union can be designed such that they withstand at least a pressure between 20 bar and 100 bar.
- the use of the tanning apparatus according to the invention can serve to dissolve the water repellent in a compressed fluid free from solvent and wastewater and to selectively concentrate or bind it in crust, leather or hide.
- the pressure vessel and the rotary union can be designed such that they withstand at least a pressure between 60 bar and 150 bar.
- the pressure vessel may comprise a liquid and gas permeable shielding device, which is disposed near a rotary feedthrough outlet within the pressure vessel.
- This shielding device is designed to prevent closing of the rotary feedthrough outlet by the material to be treated located in the pressure vessel.
- the shielding device may be formed, for example, as a perforated plate spaced from the rotary feedthrough outlet, which may be fastened, for example, to the pressure vessel inner wall.
- the shielding means may be formed, for example, in the form of a filter candle, which encloses a distance extending in the interior of the pressure vessel portion, in which the rotary feedthrough outlet is located.
- the pressure vessel may be coupled to the drive via at least one toothed or ribbed rim, which is circumferentially formed on an outer circumference of the pressure vessel or connected to the end face of the pressure vessel. More precisely, the tooth or rib According to the first alternative, the rim may be formed on a lateral surface of the pressure vessel or integrated into the lateral surface. According to the second alternative, the toothed or ribbed ring can be formed, for example, as a separate component and be connected in a rotationally fixed manner indirectly or directly to the pressure vessel. Such a drive coupling enables efficient power transmission between the drive and the pressure vessel, which is particularly important for large quantities of material to be treated and thus for industrial applications of importance.
- the at least one toothed or ribbed ring can be directly in engagement with a toothed wheel of the drive or coupled to the drive via a toothed belt.
- the gear can be rotatably mounted on a drive shaft of the drive.
- a coupling between the pressure vessel and the drive by means of a toothed belt represents an indirect coupling, which can keep shock-like loads from the drive due to their elasticity.
- the toothed belt can be led around except for the tooth or ribbed rim of the pressure vessel and the gear wheel of the drive nor at least one further deflection roller.
- the tanning device may have a plurality of toothed and / or ribbed rings, which are formed spaced apart from each other on the outer periphery of the pressure vessel or are connected to the pressure vessel at the end face opposite one another.
- the tanning device can also comprise a plurality of drives, so that in each case a toothed or ribbed rim cooperates with a specific drive.
- a single drive with the plurality of tooth and / or rib rings may be connected via a Koppiungs driven, wherein the Koppiungs worn may be formed, for example in the form of several arranged on the drive shaft gears.
- the latter can be tilted to pivot the pressure vessel about a direction transverse to the axis of rotation Have pivot axis.
- This tilting device can be adapted to pivot the pressure vessel so that its axis of rotation with a horizontal forms a tilt angle of at least 45 degrees, preferably at least 60 degrees, and particularly preferably at least 70 degrees.
- the pressure vessel can be arranged in the region of a substrate supporting the tanning apparatus or else, for example by means of a pedestal, be spaced several meters from the substrate.
- the tilting means may further comprise at least one hydraulic arm connected to the pressure vessel to raise and / or lower an end of the pressure vessel, as viewed in the direction of the axis of rotation of the pressure vessel.
- This lifting and / or lowering causes a pivoting of the pressure vessel about a pivot axis extending transversely to the axis of rotation.
- two hydraulic arms can be provided, the two hydraulic arms being designed to raise and / or lower opposite ends of the pressure vessel considered in the direction of the axis of rotation.
- the closable opening of the pressure vessel may be circular, wherein the opening preferably has a diameter of at least 0.5 m, in particular between 1 m and 2 m. Due to the circular shape of the closable opening, stress concentrations in the pressure vessel in the region of the closable opening can be minimized, which is advantageous with regard to the stability of the pressure vessel when pressurized.
- the closable opening can be formed, for example, in a lateral surface of the pressure vessel.
- the closable opening viewed in the direction of the axis of rotation, for example, be arranged centrally to the pressure vessel.
- such an opening can be displaced by rotating the pressure vessel into a region below the axis of rotation.
- the closable opening may be formed on the first end face or on a second end face of the pressure container opposite the first end face. It can have a maximum clear width, which is substantially equal to the diameter of the pressure vessel.
- the pressure vessel for example by means of the described Tilting, be pivoted to empty and remove the treated material.
- the closable opening may also be closed automatically or manually by means of a lid.
- the cover can be designed to be pivotable, displaceable or removable. The opening and closing can be carried out, for example, by means of an opening hydraulics connected to the cover, opening electrics, a crane or manually.
- the lid may be lockable in an open and / or a closed position. If the closable opening and thus also the lid are formed on the first end face of the pressure vessel, the rotary feedthrough extends through the lid and can thus be displaced together with the lid when the lid is opened.
- the at least one mixing element may be in the form of a pin or a blade.
- the at least one mixing element may, for example, be attached to the inner peripheral surface of the pressure vessel or to a rotary shaft extending through the pressure vessel.
- a plurality of mixing elements in the form of pins and / or blades can be distributed over the length of the pressure vessel, wherein the pins and / or blades can be of different lengths.
- shear-shaped mixing elements may extend over the entire length of the pressure vessel and be designed such that they have no interruptions over the entire length.
- the mixing elements may be arranged distributed in rows along the inner periphery of the pressure vessel.
- the tanning device may comprise a heating and / or cooling device, which is designed, for example, in the form of a double jacket on the circumference of the pressure vessel.
- the power supply of the heating and / or cooling device can be done via sliding contacts in the field of pressure vessel storage.
- the pressure vessel of the tanning apparatus may further have a cylindrical shape and be formed, for example, with an inner diameter between 3.5 m and 7 m, in particular between 3.5 m and 4 m. However, it is understood that larger or smaller diameter of the pressure vessel are possible.
- the length and diameter of the pressure vessel may be selected according to the intended loading of the pressure vessel.
- a typical charge (charge) may be, for example, in the range between 6 and 12 t, preferably between 9 and 12 t, or even up to 20 t. However, loads of only a few kilograms can be provided.
- the pressure vessel and rotary union can be made of stainless steel.
- the tanning apparatus according to the invention can also comprise a plurality of pressure vessels of the type described above arranged adjacent to one another and viewed in the direction of the axis of rotation.
- FIG. 1 shows an embodiment of the tanning apparatus according to the invention
- FIG. 2 is a detail of a sectional view of the invention
- Tanning device with a charging device
- FIGS. 3A to 3E show further embodiments of the tanning apparatus according to the invention with toothed rings formed thereon;
- FIGS. 4A to 4C show further embodiments of the tanning apparatus according to the invention with an opening formed thereon;
- FIGS. 5A to 5F show further embodiments of the tanning apparatus according to the invention with a tilting device
- FIGS. 6A to 6C are sectional views of further embodiments of the tanning apparatus according to the invention with mixing elements arranged in the pressure vessel; and Figures 7A to 7D further embodiments of the tanning device according to the invention with a lid closing the opening.
- Fig. 1 shows an embodiment of a tanning apparatus 10 according to the invention with a cylindrical pressure vessel 12, which has a first end face 14 and a second end face 16 opposite thereto.
- the pressure vessel 12 is rotatably mounted in the region of the two end faces 14, 16 in a support device 18 about an axis of rotation R of the pressure vessel 12.
- a toothed rim 20 which is formed in the lateral surface 22 of the pressure vessel 12.
- the ring gear 20 is connected to a arranged below the pressure vessel 12 gear 24 into engagement, which is rotatably mounted on a drive shaft 26 of a drive 28 of the tanning apparatus 10.
- the drive 28 is adapted to the pressure vessel 12 via the coupling of the gear 24 with the
- the pressure vessel 12 In an upwardly oriented region of the lateral surface 22 in FIG. 1, the pressure vessel 12 has an opening 30, on whose outer circumference a flange 32 projecting from the lateral surface 22 is welded. At a free end of the annular flange 32, a lid 34 is arranged to close the flange 32 and thus the opening 30. Through the closable opening 30, the pressure vessel 12 can be loaded and unloaded with material to be treated, such as animal hides and skins.
- the pressure vessel 12 shown in Fig. 1 is made for example of stainless steel and can withstand a pressure of at least 5 bar, in particular a pressure of 5 to 200 bar.
- novel tanning processes can be carried out in the presence of compressed gases, in particular compressed carbon dioxide.
- a charging device according to the invention for liquid and compressed gas, z. B. compressed carbon dioxide, is shown in Fig. 2.
- This charging device is designed as a rotary leadthrough 36 and extends coaxially with the axis of rotation R of the pressure vessel 12 from the outside through the first end face 14 into the pressure vessel 12.
- the rotary leadthrough 36 is mounted in the region outside the pressure vessel 12 in a section of the support device 18.
- the rotary feedthrough 36 is also made of stainless steel and can withstand a pressure of at least 5 bar, preferably a pressure of 5 to 200 bar.
- a pressure of at least 5 bar preferably a pressure of 5 to 200 bar.
- a shielding device 40 in the form of a perforated plate is provided near the rotary union outlet 38 in the pressure vessel 12 arranged.
- This shielding means 40 keeps material to be treated in the pressure vessel 12 away from the rotary passage outlet 38.
- the shielding device 40 is permeable to liquid and gas through recesses formed therein, so that the charge of the
- Pressure vessel with liquid and compressed gas is not obstructed.
- FIGS. 3A to 3E show various embodiments of the tanning apparatus 10 according to the invention with different embodiments of the drive coupling between the pressure vessel 12 and the drive 28.
- FIG. 3A corresponds to the embodiment shown in Fig. 1 with the in the region of the second end face 16 formed on or on the lateral surface 22 ring gear 20 which is directly in engagement with the gear 24 of the drive 28 for transmitting power.
- the embodiment shown in FIG. 3A is an example of a one-sided, direct rotary drive of the rotatably mounted pressure vessel 12.
- the embodiments shown in FIGS. 3B to 3E are similar to the embodiment of FIG. 3A. In the following, therefore, only the differences of the respective embodiment to the embodiment shown in Fig. 3A will be discussed.
- a further drive coupling is provided in addition to the above-described drive coupling consisting of the ring gear 20, the gearwheel 24 and the drive 28, a further drive coupling is provided.
- This comprises a in the region of the first end face 14 formed on the lateral surface 22 of the pressure vessel 12, further sprocket 20 ', which is directly engaged with a disposed below the pressure vessel 12 further gear 24'.
- This further gear 24 ' is rotatably mounted on a further drive shaft 26' of another drive 28 '.
- the pressure vessel 12 is rotated by means of two independent drives 28, 28 '.
- FIG. 3C shows a further exemplary embodiment of the tanning apparatus 10, in which, instead of a toothed ring formed on the lateral surface 22 of the pressure container 12, a separate toothed rim 42 is provided which is attached to the pressure container 12 in the area of the second end face 16.
- This front side, separate sprocket 42 is also rotatable about the axis of rotation R and is rotatably connected to the pressure vessel 12.
- a rotational drive of the separate sprocket 42 thus also causes the pressure vessel 12 in rotation.
- the separate sprocket 42 shown in Fig. 3C with the arranged below the pressure vessel 12 gear 24 of the drive 28 is engaged.
- FIG. 3C shows a further exemplary embodiment of the tanning apparatus 10, which is similar to the embodiment shown in FIG. 3C, but has a separate toothed ring 42 'in addition to the frontally mounted separate gearwheel 42, which is non-rotatable in the area of the first end face 14 of the pressure vessel 12 associated with the latter.
- This further separate ring gear 42 ' is coupled to a further gear 24' of another drive 28 '.
- the pressure vessel 12 shown in Fig. 3D by means of two drives 28, 28 'rotatably driven.
- FIG. 3E shows a schematic illustration of a further embodiment of the tanning apparatus 10, which differs from the embodiments described above, in particular in that a toothed rim 20 of the rotatable pressure container 12 via a toothed belt 44, and thus indirectly, with a gear 24 of a drive (not shown) is coupled.
- the drive can therefore be further apart from the pressure vessel 12 in this embodiment than in the case of the preceding gene embodiments with direct coupling.
- the tanning device 10 additionally has a deflection roller 46, via which the toothed belt 44 is guided and deflected in the direction of the pressure vessel 12.
- the deflection roller 46 may be slidably mounted and act as a toothed belt tensioning device.
- FIGS. 4A to 4C show various embodiments of the opening 30 of the pressure vessel 12 of the tanning apparatus 10 according to the invention.
- the opening 30 may be formed, for example, on the end side of the pressure vessel 12, wherein in the embodiment shown an asymmetrical arrangement of the opening 30 is provided on the end face 16 of the pressure vessel 12.
- Fig. 4B shows an embodiment in which the opening 30 is indeed also formed on the end face of the pressure vessel 12, but in this embodiment corresponds to the inside diameter of the opening 30 substantially the inner diameter of the pressure vessel 12.
- Fig. 4C shows another Alternative embodiment in which the opening 30 is formed in the lateral surface 22 of the pressure vessel 12, wherein in Fig. 4C viewed in the direction of the axis of rotation R, substantially central arrangement of the opening in the lateral surface 22 can be seen.
- FIGS. 5A to 5F show further exemplary embodiments in which the tanning device 10 according to the invention comprises a tilting device 48, wherein apart from the tilting device 48 only the pressure vessel 12 is shown schematically for a better overview.
- the tilting device 48 shown in FIGS. 5A to 5F comprises two hydraulic arms 50, 52, which are arranged below one another in a crossing manner below the pressure vessel 12.
- Each of the hydraulic arms 50, 52 is designed to raise and / or lower an end region of the pressure vessel 12 assigned to it, in order to tilt the pressure vessel 12 about a pivot axis extending transversely to the axis of rotation R.
- the two hydraulic arms 50, 52 are connected, for example, in each case in the region of one of the end faces 14, 16 of the pressure vessel 12 to a rotary shaft or the support device 18 (not shown).
- one of the hydraulic arms can be extended, as shown in Fig. 5B, whereby the pressure vessel 12 is tilted about the pivot axis such that its axis of rotation R with a horizontal includes a tilt angle of 45 degrees.
- the frontally arranged opening 30 of the pressure vessel 12 is aligned such that the pressure vessel 12 can be loaded from above through the opening 30.
- the dashed maximum filling level F is determined by the amount of the tilt angle and the inside width of the opening 30.
- the hydraulic arm 50 can be retracted again and the further hydraulic arm 52 extended, whereby the pressure vessel 12 is tilted in the opposite direction about the pivot axis.
- the opening 30 of the pressure vessel 12 after pivoting substantially faces the ground, so that the contents of the pressure vessel 12 can be at least partially discharged already by the force of gravity.
- the tanning apparatus 10 in contrast to the exemplary embodiments shown in FIGS. 5A to 5C, respectively comprises a tilting device 54 with only a single H outside likarm 56.
- the pressure vessel 12 in the in FIGS 5F are spaced from the ground, for example by means of a pedestal or scaffolding (not shown). The distance from the ground can be several meters.
- a single hydraulic arm 56 is sufficient to pivot the pressure vessel into a suitable position both for loading and unloading.
- FIGS. 6A to 6C show sectional representations of further exemplary embodiments of the pressure vessel 12 of the tanning apparatus 10 according to the invention.
- FIGS. 6A to 6C show mixing elements 58 arranged in the pressure vessel 12, each of which is arranged on an inner peripheral surface of the pressure vessel 12 are attached.
- the mixing elements 58 protrude from the inner circumferential surface into the interior of the pressure vessel 12.
- a plurality of mixing elements 58 are distributed in the circumferential direction and arranged at a distance from one another on the inner circumferential surface of the pressure vessel 12.
- the mixing elements 58 are formed in the form of pins.
- the mixing elements 58 are formed in the form of blades and oriented so as to extend in their imaginary extension in the manner of aêt with respect to the Rotary axis R extend.
- 6C shows a combination of the embodiments shown in FIGS. 6A and 6B, wherein mixing elements 58 are formed alternately on the inner circumferential surface as pins and blades.
- the pins and blades have different lengths and thicknesses.
- the mixing elements 58 can be arbitrarily combined and formed.
- FIGs 7A to 7D show various embodiments for opening the lid 34 of the tanning apparatus 10 according to the invention.
- the lid 34 may be pivotally opened by means of an opening hydraulics 60.
- the lid 34 is pivotally mounted on the annular flange 32.
- the opening hydraulic 60 exerts a pulling force on the lid in order to pivot it.
- the crane can represent a part of the entire tanning device 10 or be provided separately from this.
- the cover is pivoted or displaced laterally by means of a displacement device 62.
- the lid 34 is completely detachable from the annular flange 32.
- FIG. 7D substantially corresponds to the embodiment shown in FIG. 7A.
- the difference between these two embodiments is only that the opening hydraulic 60 'the Blanket! 34 pivoted to open by the opening hydraulic 60 'a compressive force on the ceiling! 34 exercises.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL17715114T PL3440228T3 (pl) | 2016-04-08 | 2017-03-31 | Urządzenie do garbowania z obrotowo ułożyskowanym zbiornikiem ciśnieniowym |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016004237.0A DE102016004237A1 (de) | 2016-04-08 | 2016-04-08 | Gerbvorrichtung mit drehbar gelagertem Druckbehälter |
| PCT/EP2017/057701 WO2017174460A1 (de) | 2016-04-08 | 2017-03-31 | Gerbvorrichtung mit drehbar gelagertem druckbehälter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3440228A1 true EP3440228A1 (de) | 2019-02-13 |
| EP3440228B1 EP3440228B1 (de) | 2020-05-13 |
Family
ID=58464551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17715114.9A Active EP3440228B1 (de) | 2016-04-08 | 2017-03-31 | Gerbvorrichtung mit drehbar gelagertem druckbehälter |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3440228B1 (de) |
| CN (1) | CN108884501B (de) |
| DE (1) | DE102016004237A1 (de) |
| ES (1) | ES2803230T3 (de) |
| PL (1) | PL3440228T3 (de) |
| WO (1) | WO2017174460A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800021487A1 (it) * | 2018-12-31 | 2020-07-01 | Italprogetti S P A | Reattore chimico ruotante per il trattametno di pelli o prodotti simili di tipo perfezionato |
| RU198645U1 (ru) * | 2019-10-28 | 2020-07-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Курский государственный медицинский университет" Министерства здравоохранения Российской Федерации | Устройство для получения коллагена из кожевенного сырья |
| RU202701U1 (ru) * | 2020-10-30 | 2021-03-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Курский государственный медицинский университет" Министерства здравоохранения Российской Федерации | Устройство для получения коллагена из кожевенного сырья. |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3164002A (en) * | 1962-07-30 | 1965-01-05 | Osmocure Proprietary Ltd | Apparatus for treating hides |
| CH467339A (de) * | 1966-07-11 | 1969-01-15 | Hueni Hans | Gerbanlage mit rotierendem Gerbfass |
| DD219506A1 (de) * | 1983-10-10 | 1985-03-06 | Lederwaren Veb K | Verfahren und vorrichtung zum gerben von haeuten und fellen |
| DE19507572A1 (de) * | 1995-03-03 | 1996-09-12 | Helmut Geihsler | Verfahren zur Zurichtung von tierischen Häuten oder Fellen |
| DE102009018232B8 (de) * | 2009-04-21 | 2011-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Gerbung von Tierhäuten |
| CN201825960U (zh) * | 2010-10-28 | 2011-05-11 | 中国轻工业成都设计工程有限公司 | 一种加压或负压式皮革转鼓 |
| CN102021253A (zh) * | 2010-12-16 | 2011-04-20 | 长兴五洲皮革机械有限公司 | 一种转鼓 |
| DE112015000953A5 (de) * | 2014-02-25 | 2016-11-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Gerbung von Tierhäuten und damit hergestelltes, gegerbtes Leder |
-
2016
- 2016-04-08 DE DE102016004237.0A patent/DE102016004237A1/de not_active Ceased
-
2017
- 2017-03-31 ES ES17715114T patent/ES2803230T3/es active Active
- 2017-03-31 CN CN201780022468.2A patent/CN108884501B/zh active Active
- 2017-03-31 WO PCT/EP2017/057701 patent/WO2017174460A1/de not_active Ceased
- 2017-03-31 EP EP17715114.9A patent/EP3440228B1/de active Active
- 2017-03-31 PL PL17715114T patent/PL3440228T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN108884501B (zh) | 2021-10-15 |
| WO2017174460A1 (de) | 2017-10-12 |
| PL3440228T3 (pl) | 2020-11-02 |
| DE102016004237A1 (de) | 2017-10-12 |
| EP3440228B1 (de) | 2020-05-13 |
| ES2803230T3 (es) | 2021-01-25 |
| CN108884501A (zh) | 2018-11-23 |
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