EP2994411A1 - Machine pour laver des plumes equipee d'un cylindre de lavage a chambres multiples - Google Patents
Machine pour laver des plumes equipee d'un cylindre de lavage a chambres multiplesInfo
- Publication number
- EP2994411A1 EP2994411A1 EP14723360.5A EP14723360A EP2994411A1 EP 2994411 A1 EP2994411 A1 EP 2994411A1 EP 14723360 A EP14723360 A EP 14723360A EP 2994411 A1 EP2994411 A1 EP 2994411A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feathers
- chamber
- washing liquid
- treatment
- cylinder
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G3/00—Treating materials to adapt them specially as upholstery filling
- B68G3/08—Preparation of bed feathers from natural feathers
- B68G3/10—Cleaning or conditioning of bed feathers
Definitions
- the field of the invention is that of feather treatment.
- the invention relates to a feather washing machine, in particular, but not exclusively, feathers of poultry or palmipeds.
- feather washing machines comprise a tank containing a washing and / or rinsing liquid, into which is introduced a rotating drum containing the feathers to be washed.
- the patent document EP 0401 181 describes a machine for the automatic and continuous washing of feathers based on the use of rotating drums and successive baths.
- the principle is to introduce a volume of feathers into a rotating drum and transfer it into several successive tanks, each comprising a specific bath: soaking, prewash, wash, rinse.
- Another disadvantage is the lack of flexibility of use successive baths, the order of successive baths being frozen.
- the transfer from one bath to another is done in water that is very close in quality, which is not optimal for washing.
- the invention in at least one embodiment, is intended in particular to overcome these various disadvantages of the state of the art. More specifically, in at least one embodiment of the invention, one objective is to provide a new design of a feather washing machine which makes it possible to improve the quality of the washing (in particular by avoiding the formation of a sieve), while having reduced water consumption.
- Another object of the invention is to provide a feather washing machine that is not bulky compared to the solution of the state of the art described above.
- Another object of the invention is to provide a feather washing machine which is simple to use and of relatively inexpensive design.
- one goal is to provide a machine that is inexpensive to mechanical maintenance.
- Another object of the invention is to provide a feather washing machine that allows a wash time, for a given lot of feathers, reduced by at least half, this for an equivalent quality of washing.
- a machine for washing feathers comprising a washing cylinder rotatably mounted about a horizontal axis and divided into a plurality of successive treatment chambers by feather transfer means from one chamber to another, each treatment chamber comprising a reception space of a predetermined volume of feathers to be treated and four treatment zones of said feathers to be treated, namely: a first zone intended to brew said feathers to be treated with a first washing liquid,
- the invention provides a machine for washing feathers based on a division of the washing cylinder into multiple chambers, each of which is subdivided into four distinct treatment zones, each treatment zone playing a specific role in the feather wash cycle.
- the volume of feathers to be treated is subject four processing operations implemented successively as the cylinder rotates about its axis and by means, respectively, of the four treatment zones.
- the processing operations are therefore performed successively as the cylinder rotates in a given direction, the volume of feathers to be treated contained in a given chamber passing from one treatment zone to another, under the effect of the force of gravity acting on the feathers, then from one room to another.
- the separation of the rooms is provided by the transfer means, each chamber may contain a different wash bath.
- Each feather volume is processed simultaneously in each treatment chamber as the cylinder rotates about its axis.
- the invention provides a feather washing machine implementation simple and compact, unlike conventional installations that require a complex and imposing mechanics. This optimization is related to the nature of the product to be treated, namely the feathers.
- the machine according to the invention thus mobilizes less electrical energy and offers reduced water consumption.
- Washing liquid means a liquid belonging to the group comprising: a pure water, a soap, a dye, a disinfectant, an acid, a bleaching agent or a combination of these elements.
- a mixture of an acid and water allows for example effective degreasing of the feathers.
- An optical brightener for example makes it possible to give a feather whiteness appearance.
- the washing liquid introduced into the treatment chambers has a known washing temperature, which can be, for example, between 10 ° C. and 90 ° C.
- the cylinder is made of a metallic material so maintain a stable wash fluid temperature. With equal washing quality, we save energy.
- the first treatment zone comprises stirring means provided with at least one rotation shaft on which is mounted at least one stirring arm.
- the brewing arm (s) have a shape suitable for improving brewing, for example a blade or spoon shape.
- said at least one rotation shaft is controlled so that said at least one stirring arm performs a circular motion.
- the machine comprises a rotation shaft and a stirring arm, said rotation shaft being controlled so that said stirring arm performs reciprocating movement over a predetermined angular range.
- the stirring arm is substantially in the form of a rocker driven reciprocatingly over a predetermined angular range.
- the brewing arm according to this embodiment releases space to be able to accommodate a volume of washing liquid and feathers to be processed more important in each of the treatment rooms, resulting in a gain in productivity.
- the second treatment zone comprises filtration means arranged to separate the pens from the first used washing liquid and storage means arranged to store the first used washing liquid.
- washing liquid is meant the washing liquid loaded with impurities and / or fats and / or soap after having been separated from the feathers.
- the second treatment zone further comprises means for conveying the first used washing liquid, from the second treatment zone of said chamber to the third treatment zone of at least one preceding chamber, the second washing liquid being the first used washing liquid.
- the used washing liquid can therefore be reused several times, which reduces the water consumption.
- This spent wash liquid travels countercurrently (from a downstream chamber to an upstream chamber) relative to the progression of the feathers through the cylinder so as to optimize the washing of the feathers.
- the feathers contained in an upstream chamber undergo wetting (or "rewetting" since the feathers contained in the mixing zone are already mixed with a first liquid) with a recycled washing liquid from a chamber located downstream of the cylinder, which is cleaner than the washing liquid from the upstream chambers.
- said conveying means are adapted to convey the first used washing liquid, by gravity effect, as the cylinder rotates about its axis.
- the conveying means and the treatment chambers are further configured to allow simultaneous circulation of spent wash liquors in each of the chambers concerned.
- the machine further comprises feeding means arranged in the cylinder for supplying at least one treatment chamber with a second washing liquid, said supply means being activated when said at least one treatment chamber is not serviced first wash liquid used by a next room.
- means for supplying clean washing liquid are provided for (re) wetting the feathers contained in said chamber prior to to be transferred to the next room.
- said supply means are arranged in the axis of the cylinder.
- This arrangement makes it possible not to disturb the rotation of the cylinder or the stirring means during the start-up of the machine.
- the second treatment zone comprises an outlet orifice of the first used washing liquid.
- the machine according to the invention therefore provides means for emptying the chambers for which the used washing liquid is not reused after draining.
- the upstream chambers for example, generally have a used washing liquid with a high level of impurities and / or greases, which can not be reused.
- the fourth treatment zone comprises means for pouring wet feathers from said chamber to the next chamber.
- said feather transfer means are configured so that:
- said transfer means comprise a plurality of walls delimiting said processing chambers.
- the delimitation of the rooms allows a separation of the washing baths from one room to another. This allows to wash at the same time several volumes of feathers.
- each of the walls comprises a first annular portion and a second flat portion, connected to the first annular portion and inclined relative to the first annular portion at a predetermined angle, and wherein each second flat portion connects two successive walls.
- the assembly of the walls is therefore substantially in the form of an endless helical conveyor screw.
- the predetermined angle is chosen so as to allow easy transfer of feathers from one chamber to another when the cylinder adopts the orientation to implement the fourth processing operation.
- a method of washing feathers by means of a washing cylinder rotatably mounted about a horizontal axis and divided into a plurality of successive treatment chambers by means of transfer of feathers from one chamber to another, each treatment chamber comprising a receiving space of a predetermined volume of feathers to be treated, which are subjected to four treatment steps implemented successively as the cylinder rotates in a given direction about its axis and by means, respectively, of four treatment zones included in said chamber, said four steps of the method consisting of, for a given treatment chamber:
- the dewatering step comprises a filtration step for separating the plumes of the first used washing liquid and a storage step of the first used washing liquid,
- the used washing liquid can therefore be reused several times, which reduces the water consumption.
- This spent wash liquid travels countercurrently through the cylinder (from a downstream chamber to an upstream chamber) and independently from the transfer of feathers. Indeed, the feathers contained in an upstream chamber are wetted with a recycled washing liquid from a chamber located downstream of the cylinder, which is cleaner than the washing liquid from the upstream chambers.
- the method further comprises, after performing said step (c) of wetting said drained feathers, a step of rotating in the opposite direction of the given direction to cause the retaining the feathers in said chamber, the steps (a), (b), (c) and (d) being implemented again, in the given direction, at the end of said step consisting in making a rotation in the opposite meaning of the given meaning.
- the invention provides that a rotation of the cylinder continuously in the given direction, after the wetting step, causes the transfer of wet feathers in the next chamber, while a rotation of the cylinder in the opposite direction of the sense given, after the wetting step, causes the retention of feathers in the same chamber to achieve a new wash cycle. This avoids having to use an additional chamber in the washing cylinder, to subject the feathers an additional bath.
- FIGS. 1A, 1B and 1C each illustrate a perspective view of a feather washing machine according to a particular embodiment of the invention: FIGS. 1A and 1B show biased views, FIG. side);
- Figure 2 is a cross-sectional view illustrating the structure of a processing chamber of a feather washing machine according to a particular embodiment of the invention
- 3A, 3B, 3C and 3D represent, in cross-sectional view, the processing chamber of FIG. 2 illustrating the principle of operation of the feather washing machine according to a particular embodiment of the invention.
- the general principle of the invention consists in equipping the washing machine with the feathers of a washing cylinder with multiple treatment chambers, each of which is composed of treatment zones, each treatment zone fulfilling a specific role as and when the cylinder rotates around its axis of rotation. This allows fragmentation by small batches of feathers for washing.
- the productivity of the machine according to the invention is directly related to the number of treatment chambers. The fact of treating a smaller volume of feathers makes it possible to overcome the problem of sieving impurities. Feather treatment is therefore more effective that currently known solutions. The washing time required to wash the batches of feathers is reduced.
- Figures 1A, 1B and 1C illustrate three perspective views of a feather washing machine according to a particular embodiment of the invention.
- the washing machine comprises a washing cylinder 1 rotatably mounted about a horizontal axis 5.
- the axis 5 of the cylinder is rotated by a mechanical drive device (not shown in the figure).
- the driving device may comprise for example a pulley connected to a belt which cooperates with a transmission shaft of a motor.
- the washing cylinder 1 is divided into six identical processing chambers (referenced Ci-C 6 ) by feather transfer means 2 from one chamber to another.
- the transfer means comprises a plurality of transverse walls (referenced 2 a to 2 g) defining the process chambers to C 6.
- the delimitation of the chambers Ci to C 6 by the walls has the effect of being able to wash at the same time several volumes of feathers with different washing baths.
- the number of rooms depends on the number of baths considered necessary for the treatment of feathers.
- the number of rooms represented here is given for illustrative purposes only. For example, a larger number of treatment chambers may be needed to wash particularly dirty feather volumes.
- Each wall 2a to 2f comprises an annular portion 8 and a plane portion 7.
- the flat portion 7 extends from the annular portion 8 in an inclined manner at an inclination angle of about 45 ° relative to the annular portion 8 and connects the next wall.
- Each flat portion 7 connects two successive transverse walls.
- the assembly of the walls 2 a to 2 g thus appears substantially as a helical transport screw whose "turns" divide the cylinder room -C Ce.
- the angle of inclination is chosen so as to allow easy evacuation of the feathers from one chamber to another.
- the shape of the transfer means 2 makes it possible not to mix the outgoing and incoming materials of each of the chambers during the rotation of the washing cylinder 1.
- the treatment chamber Ci is the chamber furthest upstream of the cylinder 1, through which the pens to be treated are introduced in the direction of the arrow Z.
- the treatment chamber C 6 is the chamber located furthest downstream of the cylinder 1, by which the treated pens are discharged in the direction of the arrow Z.
- C 6 contains a predetermined volume of feathers to be treated.
- Each of the chambers Ci to C 6 comprises a reception space of a feather volume to be treated 9 and consists of four distinct treatment zones 10, 20, 30 and 40 which are arranged substantially on the inner periphery of the washing cylinder 1 , each fulfilling a specific role, as illustrated in FIG. 2, namely:
- stirring zone intended to stir said feathers to be treated with a first washing liquid
- a second zone 20 for draining said brewed feathers
- rewetting intended to rewet said drained feathers with a second washing liquid (which may be of different types depending on the location of the chamber in question),
- transfer zone for transferring said refilled feathers to a next chamber.
- the brewing zone 10 comprises a receiving space 9 of a predetermined volume (or lot) of feathers. It also comprises stirring means constituted by first and second rotation shafts 11 and 13 on which first and second stirring arms 12 and 14 are respectively mounted. The shafts 11, 13 are controlled so that the stirring arms 12 and 14 perform a uniform circular motion. To ensure efficient mixing of the feathers with the washing liquid contained in the treatment zone 10, blades in the form of blades are advantageously used. Virtual circles symbolizing the space occupied by the blades 12 and 14 are shown in the figures for purely illustrative purposes.
- the stirring means may consist of a shaft on which is mounted an arm, said shaft being controlled so that the stirring arm is in the form of a pendulum with a movement of movement. and- comes on a predetermined angular range (for example between -90 ° and + 90 ° with respect to a vertical reference axis).
- the treatment zones 10, 20, 30, 40 according to the invention are designed to accommodate a reduced amount of feathers to be treated. Each treatment operation is optimized. The brewing is therefore more effective than the amount of feathers introduced into the room is small.
- the dewatering zone 20 comprises a filtering grid 21 arranged to separate the feathers from the wash liquid laden with dirt (hereinafter referred to as a used washing liquid).
- a storage space 22 is also provided for storing spent wash liquid before it is discharged.
- the filtration grid 21 more particularly comprises a perforated portion 210 through which only the spent washing liquid can flow, and a partitioned portion 215. This perforated portion 210 is located near the mixing zone 10 so that from the the feathers to be treated in the drip zone 20, the spent washing liquid is separated from the feathers and stored therein in the storage space 22.
- the storage area 22 is formed between the cylinder wall 1 of a part and the partitioned portion 215 of the filtering grid 21 on the other hand.
- the dewatering zone 20 may furthermore comprise, on the periphery of the cylinder 1, a first outlet orifice 23 provided for evacuating the used washing liquid, stored in the space 22, out of the machine.
- This outlet orifice 23 is generally provided for the treatment chambers located upstream of the washing machine (chambers Ci, C 2 and C 3 for example). Indeed, at this level, the liquid of worn washing has a relatively high dirt content, making the washing liquid non-reusable.
- the dewatering zone 20 may further comprise, on the periphery of the cylinder 1, a second outlet orifice 24 provided for conveying the spent washing liquid to a piping system 6 opening onto one or more other chambers situated upstream of the machine.
- the used washing liquid of a given downstream chamber in the case of the rooms C 3 ⁇ C 4 , C 5 ⁇ C 6
- can thus be reused for another chamber situated upstream in the case of the chambers Ci, C 2 , C 3 ⁇ C 4 ).
- FIGS. 1A-1C In the example of FIGS. 1A-1C:
- the duct 6 a is arranged so that the treatment chamber C 6 can serve recycled washing liquid one of the treatment rooms C 2 , C 3 ⁇ C 4 located upstream of the machine,
- the pipe 6b is arranged so that the treatment chamber C 5 can serve recycled washing liquid one of the processing chambers Ci, C 2 , C 3 located upstream of the machine,
- the pipe 6 d is arranged so that the treatment chamber C 3 can serve recycled washing liquid treatment chamber Ci located upstream of the machine.
- the rewetting zone 30 may comprise an inlet opening cooperating with one of the pipes of the piping system 6 for conveying the used washing liquid from a chamber downstream of the machine (in the case of the chambers C 3 ⁇ C 4 , C 5 ⁇ C 6 ).
- the feathers and the washing liquid contained in the reception space 9 of the treatment chamber C n are subjected to four treatment operations implemented. operates successively as the washing cylinder 1 rotates about its axis 5: a feather stirring operation, a feathers dewatering operation (and possible transfer of spent liquids), a rewetting feather operation and an operation feather transfer. Under the effect of the rotation of the cylinder 1 about its axis 5 in the direction of the arrow X ("forwards"), the feathers and the washing liquids will flow from one treatment zone to another within the same chamber C n , then a chamber C n to another C n + i in the direction of arrow Z.
- the machine according to the invention uses the force of gravity for the movement of feathers and washing liquids .
- Figure 3A shows the position occupied by the treatment chamber C n to perform the feather stirring operation.
- the stirring means 11, 12, 13, 14 of the stirring zone 10 are activated.
- the axes 11 and 13 respectively cause the stirring arms 12 and 14 to rotate so as to mix the washing liquid with the feathers to be treated, so that they undergo an enema.
- the washing cylinder 1 is rotated by the driving device (not shown in the figures), which has the effect of rotating the treatment chamber C n in the direction of the arrow X so that the it adopts a second position (Fig. 3B).
- the force of gravity acting on the feathers and the washing liquid forces them to remain in the lowest zone of the chamber. This has the effect of progressively moving, as the cylinder 1 rotates, the feathers and the washing liquid from the mixing zone 10 to the dewatering zone 20.
- FIG. 3B shows the position occupied by the treatment chamber C n to perform the feather draining operation.
- the feathers Upon arrival in the drip zone 20, the feathers are separated from the washing liquid loaded with dirt, by means of the filtering grid 21.
- the "washed" feathers are found above the filtration grid 21, while the used washing liquid is stored under the filtration grid 21 at the storage space 22.
- the perforated portion 210 positioned next to the arrival of the feathers during the rotation of the cylinder 1, has the effect to drain the feathers to be treated and to recover the used liquid.
- the filtration grid 21 and the stirring arm 12 are configured in such a way that the stirring arm 12 rotates past the filtering grid 21. This makes it possible, on the one hand, to finish the stirring together with the dewatering and to unclog the grid on the other hand to facilitate drainage.
- the used washing liquid is discharged from the cylinder 1 via the outlet orifice 23.
- This first case concerns the processing chambers located essentially upstream of the machine (the chambers Ci, C 2 and C 3 by for example) because at this level the used washing liquid has a relatively high dirt content, rendering the used washing liquid non-reusable. Under the effect of gravity, the used washing liquid is then discharged from the machine by means of a pipe (not shown in the figures) when the outlet orifice 23 is at the lowest point of the cylinder 1 .
- the used washing liquid is conveyed to another processing chamber located upstream of the machine.
- This second case concerns the processing chambers located essentially downstream of the machine (the chambers C 3 ⁇ C 4 , C 5 ⁇ C 6 for example) because at this level, the used washing liquid is present a rate of dirt relatively low and can be reused by another chamber during the rewetting operation (the principle is described below in connection with Figure 4C).
- the used washing liquid is discharged via the orifice of output 24 to the pipe system 6 when the outlet 24 is located at the lowest point of the cylinder 1.
- each duct (6 a, 6 b, 6 C, 6 d) of the pipe system 6 is arranged to convey the used washing liquid from the dewatering zone 20 of the chamber C n to the rewetting zone 30 of another chamber upstream, by gravity effect, and as the cylinder 1 turns in the direction of arrow X.
- This has the effect of avoiding the use of an expensive pumping system that mobilizes energy.
- the pumping systems are generally complex to implement.
- the used washing liquid can therefore be recycled to upstream chambers, thereby reducing the water consumption.
- the wash liquid to be recycled moves countercurrently with respect to feather progression through the barrel 1 (i.e., in the opposite direction of the Z arrow). This backwashing process optimizes the feather wash, since the feathers contained in the upstream chambers can be rewetted with a recycled wash liquid from a chamber downstream of the cylinder 1.
- FIG. 3C shows the position occupied by the treatment chamber C n for the rewetting operation of the feathers.
- the treatment chamber C n is fed with a "new" washing liquid via the supply line 4 disposed in the center of the cylinder 1.
- This arrangement makes it possible not to disturb the rotation of the cylinder 1, nor the brewing arm 12 and 14 during the operation of the washing machine.
- This first case concerns downstream chambers (chambers C 3 ⁇ C 4 , C 5 ⁇ C 6 ), which can not be supplied with liquid from another chamber.
- the treatment chamber C n is supplied with "recycled” washing liquid from a downstream chamber via the piping system 6.
- This second case concerns the treatment chambers located essentially upstream of the machine (rooms Ci, C 2 , C 3 ).
- the used washing liquids go downstream upstream of the cylinder 1: the cleanest water from the downstream chambers is redirected to the upstream chambers (because the feathers undergo their first washing bath) by effect gravity, and as the cylinder 1 rotates in the direction of the arrow X.
- the washing liquids are thus recycled simultaneously from several rooms downstream to several rooms upstream.
- the treatment chambers C n located upstream can be supplied with soap via dedicated feed tubes arranged in the center of the cylinder 1 in parallel with the supply line 4 with washing liquid, each supply tube serving a given chamber (a dedicated tube per chamber) by means of a solenoid valve preferably located outside the machine.
- the treatment chambers C n located upstream can be supplied with soap via a single feed tube serving each of said chambers by means of a set of solenoid valves each dedicated to a given chamber.
- the rotation of the washing cylinder 1 about its axis 5 gradually rotates the treatment chamber C n in the direction of the arrow X so that it gradually adopts a fourth position (FIG 3C).
- the force of gravity acting on the (re) wet feathers forces them to remain the lowest zone of the cylinder 1 and to progressively transfer to the transfer zone 40.
- Figure 3D shows the position occupied by the processing chamber C n to implement the feat transfer operation.
- the rotation of the washing cylinder 1 about its axis 5 makes the treatment chamber rotate progressively in the direction of the arrow X so that it again adopts the starting position, represented in FIG. 3A, so that the cylinder 1 has completed a complete turn (360 °).
- the feathers were transported from the chamber C n considered to the next room C n + i while having undergone a complete washing cycle.
- This washing and transport process is repeated as many times as there are treatment chambers.
- the washing machine illustrated here can thus operate up to six washing cycles to wash a given set of feathers, from room Ci to room C 6 .
- the washing machine is combined with a supply device and a feather discharge device adapted to supply and discharge, respectively, batches of feathers at regular intervals.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1354176A FR3005475B1 (fr) | 2013-05-07 | 2013-05-07 | Machine pour laver des plumes equipee d’un cylindre de lavage a chambres multiples |
PCT/EP2014/058480 WO2014180681A1 (fr) | 2013-05-07 | 2014-04-25 | Machine pour laver des plumes equipee d'un cylindre de lavage a chambres multiples |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2994411A1 true EP2994411A1 (fr) | 2016-03-16 |
EP2994411B1 EP2994411B1 (fr) | 2017-02-08 |
Family
ID=48782473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14723360.5A Not-in-force EP2994411B1 (fr) | 2013-05-07 | 2014-04-25 | Machine pour laver des plumes equipee d'un cylindre de lavage a chambres multiples |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2994411B1 (fr) |
FR (1) | FR3005475B1 (fr) |
WO (1) | WO2014180681A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105290073A (zh) * | 2015-11-11 | 2016-02-03 | 安徽省无为县奥宇体育用品有限公司 | 一种羽毛清洗设备用料袋压紧装置 |
EP4083279A1 (fr) | 2021-04-29 | 2022-11-02 | Tessenderlo Group NV | Procédé et appareil de lavage de plumes et d'élimination de matériau étranger |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156358A (en) * | 1977-11-28 | 1979-05-29 | Firma Gebr. Poensgen & Sulzmann Gmbh | Drum for the wet treatment of materials |
DE3143140A1 (de) * | 1981-10-30 | 1983-05-11 | L.H. Lorch Ag, 7300 Esslingen | Bettfedern-waschmaschine |
IT1233697B (it) * | 1989-06-02 | 1992-04-14 | Cinelli Piume Spa | Metodo ed impianto per il lavaggio automatico e continuo delle piume |
DE4400087A1 (de) * | 1994-01-04 | 1995-07-06 | Heinz Herbertz | Maschine zum Behandeln von Geflügelfedern o. dgl. |
-
2013
- 2013-05-07 FR FR1354176A patent/FR3005475B1/fr not_active Expired - Fee Related
-
2014
- 2014-04-25 WO PCT/EP2014/058480 patent/WO2014180681A1/fr active Application Filing
- 2014-04-25 EP EP14723360.5A patent/EP2994411B1/fr not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2014180681A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014180681A1 (fr) | 2014-11-13 |
FR3005475A1 (fr) | 2014-11-14 |
FR3005475B1 (fr) | 2015-05-29 |
EP2994411B1 (fr) | 2017-02-08 |
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