EP2302120B1 - Injecteur pour une machine de traitement du textile - Google Patents

Injecteur pour une machine de traitement du textile Download PDF

Info

Publication number
EP2302120B1
EP2302120B1 EP09012009A EP09012009A EP2302120B1 EP 2302120 B1 EP2302120 B1 EP 2302120B1 EP 09012009 A EP09012009 A EP 09012009A EP 09012009 A EP09012009 A EP 09012009A EP 2302120 B1 EP2302120 B1 EP 2302120B1
Authority
EP
European Patent Office
Prior art keywords
injector
pressure distribution
distribution chamber
deflection
deflection point
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.)
Not-in-force
Application number
EP09012009A
Other languages
German (de)
English (en)
Other versions
EP2302120A1 (fr
Inventor
Michael Rädle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Groz Beckert KG filed Critical Groz Beckert KG
Priority to EP09012009A priority Critical patent/EP2302120B1/fr
Priority to US12/884,299 priority patent/US20110067214A1/en
Priority to JP2010211219A priority patent/JP5714282B2/ja
Priority to CN201010298290.4A priority patent/CN102021752B/zh
Publication of EP2302120A1 publication Critical patent/EP2302120A1/fr
Application granted granted Critical
Publication of EP2302120B1 publication Critical patent/EP2302120B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor

Definitions

  • the invention relates to an injector for a textile processing machine.
  • the injector has an inflow chamber fluidically connected or connectable to a pressure source.
  • the pressurized liquid or gaseous medium, preferably water, the inflow chamber is passed on at least one connecting channel and in particular a plurality of connecting channels to a pressure distribution chamber on.
  • the pressure distribution chamber is fluidically connected to an outlet opening.
  • a receptacle for a strip-shaped nozzle foil is provided for a nozzle strip.
  • the nozzle foil has a multiplicity of nozzle openings which fluidly connect the pressure distribution chamber to the outlet opening when the nozzle foil is inserted into the receptacle.
  • nozzle orifices serve to form fine, needle-like jets of the medium, which can be expelled from the injector through the exit orifice. With the help of the beams, a random fiber web is consolidated to nonwoven fabric.
  • multiple injectors may be arranged either in series or radially around a drum.
  • the arrangement in series is a belt system in the arrangement around a drum is a drum system. It is also possible that drum system and belt system are arranged combined in a hydroentanglement system.
  • the DE 600 11 900 T2 to carry out the connecting channel as a slot channel, whereby the aligned with the slot channel nozzle openings are equally rectilinear and directly and substantially turbulence flows freely.
  • the flow conditions must be compensated in the inlet port of the slot channel in the inflow over the length of the slot channel, for which purpose a perforated tube is arranged in the inflow, through which the water supplied from the pressure source is distributed in the inflow chamber ,
  • an injector which has a baffle body in the form of a cylinder in the pressure distribution below the output ports of the connecting channels to avoid direct flow of a portion of the nozzle openings.
  • the effluent from the connecting channels water first strikes the impact body and flows around it before it reaches the nozzle openings.
  • the flow path of the medium between the inflow chamber and the nozzle openings is determined by the at least one connecting channel, as well as the pressure distribution chamber.
  • this flow path is predetermined by the course of the connection channel and / or the pressure distribution chamber so that it contains at least a first deflection point which is formed by a section of the connection channel and / or the pressure distribution chamber.
  • a deflection point comprises the entire surface of a region, that is to say a wall section of the connection channel and / or the pressure distribution chamber.
  • the flow direction of the medium preferably the water, is changed before it reaches the nozzle openings of the nozzle strip or the nozzle foil.
  • the injector has a conical outer shape. Then it has a smaller width in the area of the nozzle openings than in the area of the inflow chamber. This allows, in a radial arrangement, a plurality of injectors around a suction drum around that the injectors can be arranged closer together than in a rectangular execution of the injector. Furthermore, the maintenance of the injector, for example, during cleaning of the component-free chambers simplified.
  • the connecting channel between the inlet mouth in the inflow chamber and the outlet opening in the pressure distribution chamber allows a straight-line flow.
  • the connecting channel may be formed by a cylindrical bore.
  • a simple production of at least one connecting channel is possible.
  • a plurality of connecting channels between inlet chamber and pressure distribution chamber are provided in the longitudinal direction at a regular distance.
  • the connecting channel or the connecting channels preferably run outside a longitudinal center plane through the outlet opening in the longitudinal direction and, in the case of the nozzle foil inserted in the injector, through the nozzle foil extending longitudinal center plane.
  • the one or more connecting channels do not intersect this longitudinal median plane. In this arrangement of the connecting channel whose entrance mouth, viewed in section, is formed radius-shaped.
  • connection channels can be spaced apart on both sides of the longitudinal center plane through the outlet opening Be arranged longitudinal center plane.
  • the longitudinal center plane divides the injector into two parts through the outlet opening, wherein at least one connecting channel is provided in both parts.
  • water from different and, for example, opposite directions can flow into the pressure distribution chamber.
  • the introduced from different connecting channels and different inflow directions having water flows can either be directed directly against each other or offset in the longitudinal direction of each other in the pressure distribution chamber. Both measures are suitable for generating very uniform flow conditions in the pressure distribution chamber in the transition region to the outlet opening, where the nozzle openings are in the operating position of the nozzle foil.
  • a plurality of connection channels are provided on one side of the longitudinal center plane of the outlet opening, they can have different distances to the longitudinal center plane.
  • the first deflection point is provided in the flow path in the pressure distribution chamber downstream of the outlet orifice.
  • the first deflection point which comprises the entire surface of a first wall section of the pressure distribution chamber, has a first deflection surface.
  • This first deflection surface which runs obliquely or transversely to the outflow direction of the water leaving the exit orifice and thus forms the first resistance in the course of flow, which influences the flow direction, and a second deflection surface which is arranged radially to the flow direction with respect to the first deflection surface, form the first deflection.
  • the first deflection surface is formed by a first wall portion of the pressure distribution chamber.
  • Downstream of the first deflection point may be in the flow path the water a further, second deflection point be present, which is located in particular in the pressure distribution chamber and is preferably formed in a simple embodiment of a wall portion of the pressure distribution chamber. This second deflection point also encompasses the entire surface of the wall section assigned to it. Only after flowing through the two deflection points, the water reaches the nozzle openings of the nozzle strip.
  • the deflection surfaces may each have one or more planar surface portions. It is also possible to design the deflecting curved, for example, concave or convex. Preferably, the deflection surfaces are edgeless.
  • the inflow chamber and the at least one connecting channel can be provided in an injector body.
  • a discharge orifice having the injector body is connected to the injector body.
  • both the injector body and the injector base define the pressure distribution chamber, which is thus formed by a space between injector body and injector base.
  • the first deflection of the first deflection can be provided on the injector floor.
  • the second deflection surface of the first deflection point may be provided on the injector body. The two deflection surfaces can therefore be formed very easily during the production of the injector base or the injector body.
  • the first deflection surface of the second deflection point can be formed on the injector body and the second deflection surface of the second deflection point on the injector base. Further, it is possible that in another embodiment, the first deflection of the first deflection point on Injector and the second deflection of the first deflection is formed on the injector floor.
  • the connecting channel is arranged at an angle not equal to 90 ° to the longitudinal center plane of the inflow chamber. Then it is possible that the inlet mouth of the connecting channel is arranged on one side of the longitudinal center plane and the output mouth of the connecting channel on the other side of the longitudinal center plane. It is also possible that the longitudinal central axis of the connecting channel intersects the longitudinal center plane of the inflow chamber in the region of the inlet mouth and the outlet orifice of the connecting channel is arranged away from the longitudinal center plane of the inflow chamber. With such an arrangement, the entrance mouth has an elliptical circumference, which may be advantageous in terms of fluidics.
  • FIG. 1 illustrates a first embodiment of an injector 10 of a textile processing machine, which is used for the production of nonwovens.
  • the injector 10 has an injector body 11 and an injector bottom 12, which are connected to each other.
  • an inflow chamber 13 is present, which is connected via an inflow opening 14 with a pressure source 15.
  • the inflow chamber 13 is cylindrically shaped in the embodiment.
  • the inflow opening 14 is formed by a bore 13 coaxial with the longitudinal axis of the inflow chamber.
  • the inflow chamber 13 is closed fluid-tight on the inflow opening 14 opposite longitudinal end side of a screwed lid 16 of the injector body 11.
  • a ring seal 17 may be provided between the lid 16 and the seat of the lid.
  • the injector 10 also has a pressure distribution chamber 18, which extends in a longitudinal direction L in the region between the injector body 11 and the injector base 12.
  • the pressure distribution chamber 18 is thus formed jointly by the injector body 11 and the injector base 12.
  • a recess 19 which is open towards the injector body 11 is introduced into the injector base 12.
  • a recess 20 which is open towards the injector bottom 12 is correspondingly introduced.
  • the two recesses 19, 20 together form the pressure distribution chamber 18.
  • one or more sealing devices may be present, which are not shown in detail in the drawing.
  • connection channels 23 extend between an inlet mouth 24 in the inflow chamber 13 and an outlet mouth 25 in the pressure distribution chamber 18.
  • the connection channels 23 are formed by cylindrical bores in the injector body 11.
  • the longitudinal axes 26 of the connecting channels 23 extend substantially at right angles to the longitudinal direction L of the injector 10.
  • the outlet orifice 25 is thus located in the recess 20, which forms the part of the pressure distribution chamber 18 delimited by the injector body 11.
  • an outlet opening 30 is provided in the injector floor 12. It extends in the longitudinal direction L and is fluidically connected to the pressure distribution chamber 18. Subsequent to the pressure distribution chamber 18, the outlet opening 30 has a slot-shaped portion 31 to which a conical Section 32 connects. In cross section FIG. 2a seen the outlet opening 30 has a funnel-shaped overall. The side facing away from the injector body 11 of the injector base 12 forms an outlet side 33 of the injector 10. The conical portion 32 of the outlet opening 30 is open to the outlet side 33. A longitudinal center plane 34 divides the outlet opening 30 centrally. In the preferred embodiment, the outlet opening 30 is designed symmetrically to the longitudinal center plane 34.
  • a receptacle 35 for a nozzle foil 36 is provided in the transition region between the pressure distribution chamber 18 and the outlet opening 30, a receptacle 35 for a nozzle foil 36 is provided.
  • the nozzle foil 36 has a plurality of nozzle openings 37, which are arranged in the longitudinal direction L in particular regularly spaced. In the nozzle strip 36 one or more rows of nozzle openings 37 can be arranged next to one another in the longitudinal direction L. The nozzle openings 37 completely penetrate the nozzle foil 36. When inserted into the receptacle 35 nozzle film 36, the nozzle openings 37 are located between the pressure distribution chamber 18 and the outlet opening 30.
  • the receptacle 35 contains a seat for the nozzle foil 36, in which an annular seal 29 is arranged, in order to prevent a flow around the nozzle foil. The water must therefore flow through the nozzle openings 37.
  • the connecting channels 23 extend, for example, completely outside the longitudinal center plane 34 of the outlet opening 30.
  • the longitudinal axes 26 of the connecting channels 23 extend parallel to the longitudinal center plane 34 the outlet opening 30 at a distance.
  • the inlet openings 24 are laterally transversely to the longitudinal direction L offset to a longitudinal center plane 39 through the inflow chamber 13 (FIGS. FIG. 2a ).
  • the connecting channel 23 and the pressure distribution chamber 18 define a flow path 40 for the water flowing between the inflow chamber 13 and the outlet opening 30.
  • this flow path 40 there is a first deflection point 41, at which the flow direction of the water is changed. This prevents that a straight flow path between the inlet mouth 24 and the outlet opening 30 is possible.
  • the first deflection point 41 is formed by a first wall section 45 of the pressure distribution chamber 18, which comprises a first deflection surface 46 and a second deflection surface 61.
  • This first deflection surface 46 is located downstream of the outlet orifice 25 and runs at least in sections obliquely or transversely to the flow direction of the medium flowing out of the outlet orifice 25.
  • the deflection surface 46 is arranged on the outside of the connection channel 23.
  • the first deflection surface 46 is provided in the injector base 12 and therefore forms a wall portion of the recess 19 introduced into the injector base 12.
  • the first deflection surface 46 extends in the longitudinal direction L along the pressure distribution chamber 18. It is concavely curved about an axis extending in the longitudinal direction L.
  • the radius of curvature can be determined depending on the spatial relationships of the injector 10.
  • the second deflection surface 61 of the first deflection point 41 is arranged radially opposite the first deflection surface 45 in the flow direction.
  • This second deflection surface 61 is considered straight formed flat surface which is arranged at an acute angle to the longitudinal axis 26 of the connecting channel 23 and extends in the longitudinal direction L along the pressure distribution chamber 18.
  • the flow direction of the medium is determined by the interaction of the first deflection surface 46 and the second deflection surface 61.
  • the first deflection surface 46 may also have one or more planar surface sections or be formed by one or more planar surface sections.
  • the second deflection surface 61 may be curved, for example concave or convex. Preferably, this is both deflection surfaces 46, 61 are designed edgeless.
  • the first deflection point 41 is located in the axial extension of the connection channels 23.
  • the longitudinal axes 26 of the connection channels 23 intersect the first deflection surface 46 of the first wall section 45 of the first deflection point 41.
  • the first deflection surface 46 is not formed by an additional component but arises during manufacture the pressure distribution chamber 18.
  • the injector is formed exclusively by the injector body 11 and the injector base 12. An additional, separate component which has the deflection surface 46 is not necessary.
  • a second deflection point 49 is present in the flow path 40.
  • the second deflection point 49 is formed by a second wall section 50 of the pressure distribution chamber 18, which comprises a first deflection surface 51 and a second deflection surface 62.
  • the first deflection surface 51 of the second deflection point 49 is located on the injector body 11. It is part of the recess 20 introduced into the injector body 11.
  • the first deflection surface is 51 has a concave curvature and extends in the longitudinal direction L of the pressure distribution chamber 18. The first deflection surface 51 is offset laterally relative to the first deflection surface 46 of the first deflection point 41.
  • the longitudinal center plane 34 through the outlet opening 30 can intersect the first deflection surface 51.
  • the first deflection surface 51 directly adjoins the longitudinal center plane 34.
  • the second deflection surface 62 of the second deflection point 49 is formed on the injector base 12 and is part of the recess 19 formed on the injector base 12.
  • the second deflection surface 62 is formed by a flat surface and extends along the longitudinal direction L of the pressure distribution chamber 18. Die Malawi second deflection surface 51,62 is disposed above the receptacle 35 for the nozzle strip 36.
  • the flow direction of the medium is determined by the interaction of the first deflection surface 51 and the second deflection surface 62.
  • Both first deflection surfaces 46, 51 have the shape of a channel running in the longitudinal direction L.
  • the water flow along the flow path 40 thus has an initially straight course through the connecting channel 23 to the first deflection point 41. There, the flow is deflected laterally transversely to the longitudinal axis 26 of the connecting channel 23 and transversely to the longitudinal direction L. Further downstream, there is the second deflection point 49, which deflects the water in the direction of the outlet opening 30 to the nozzle strip 36, resulting in a flow direction after the second deflection point 49, which is approximately parallel to the outlet direction of the water jets 38 and parallel to the longitudinal center plane 34 the outlet opening 30 extends.
  • the flow path 40 is therefore substantially stepped.
  • flow-influencing unevennesses 52 in particular regularly distributed, can be arranged on walls or wall sections of the connection channels 23 and / or the pressure distribution chamber 18.
  • Such bumps 52 may be formed by concave depressions and / or protruding nubs.
  • Such unevennesses 52 are preferably present at least on wall sections of the pressure distribution chamber 18, in particular on one or more of the deflection surfaces 46, 61, 51, 62, as shown in FIG FIG. 2b is illustrated schematically by the example of the first deflection point 41.
  • FIG. 3 is one opposite the FIGS. 1 and 2 modified embodiment of the injector 10 illustrated.
  • the essential difference is that the longitudinal center plane 39 forms a common plane through the inflow chamber 13 with the longitudinal center plane 34 through the outlet opening 30.
  • the outlet opening 30 is thus arranged centrally relative to the inflow chamber 13.
  • FIG. 4 out Another embodiment of the injector 10 goes out FIG. 4 out.
  • the connecting channels 23 are not in a row in the longitudinal direction L but in two spaced rows 55 (FIG. FIG. 6 and 7 ) arranged. Both rows 55 are laterally spaced from the longitudinal center plane 39 by the inflow chamber 13, so that the longitudinal axes 26 of the connecting channels 23 extend parallel to and at a distance from the longitudinal center plane 39.
  • the longitudinal center plane 39 through the inflow chamber 13 divides the injector body 11 into two parts, wherein both parts each have a row 55 of connecting channels 23.
  • the connecting channels 23 are thus on both sides of the longitudinal center plane 39 through arranged the inflow chamber 13.
  • the flow path 40 through one of the connecting channels 23 into the pressure distribution chamber 18 has the course described above. Again, following each Verbindunskanal 23 in the pressure distribution chamber 18, both a first deflection 41, and a second deflection 49 are provided so that the inflowing into the pressure distribution chamber 18 water at each flow path 40 is deflected twice before it the nozzle strip 36th or reaches the outlet opening 30. For this purpose, reference may be made to the above description.
  • the flows from one row 55 coincide with the flows from the other row 55 in the pressure distribution chamber 18.
  • the flow directions of the water flowing in from one row 55 are different from the flow direction of the water flowing in from the other row 55.
  • connection channels 23 can be arranged symmetrically with respect to the longitudinal center plane 39 of the inflow chamber 13.
  • the connection channels 23 are arranged in pairs, so that a connection channel 23 of a pair 56 is arranged on one side of the longitudinal center plane 39 and the respective other connection channel 23 of this pair 56 on the other side of the longitudinal center plane 39 ( FIG. 6 ).
  • this pairwise symmetrical arrangement it is possible to cross or direct the two water streams of a pair 56 of connection channels 23 in the pressure distribution chamber 18, whereby a good water mixing can be achieved.
  • FIG. 7 is an alternative arrangement possibility the two rows 55 of connecting channels 23 shown.
  • the two rows 55 seen in the longitudinal direction L offset from each other.
  • the flows entering the pressure distribution chamber 18 via the two rows 55 of connection channels 23 do not intersect in a common plane defined at right angles to the longitudinal direction L.
  • the water flows in the longitudinal direction L flow into the pressure distribution chamber 18.
  • the individual streams extend transversely to the respective flow direction in the pressure distribution chamber 18 well.
  • the receptacle 35 for the nozzle strip 36 on both longitudinal sides slit-like recesses 60, so that the inserted nozzle sheet 36 engages on its two longitudinal sides in the recess 60.
  • the nozzle foil 36 it can be inserted in the longitudinal direction L into the injector 10.
  • FIG. 5 such recesses 60 are not present.
  • the receptacle 35 is formed by a groove with a rectangular cross-section. Holding or clamping means for pressing the nozzle foil 36 on the seal 29 may be present, but are not shown in detail in the drawing.
  • the invention relates to an injector for a textile processing machine for producing nonwoven fabric.
  • an injector body 11 an inflow chamber 13 is provided, is provided in the pressurized medium.
  • the connecting channels 23 are formed by cylindrical bores which are introduced into the injector body 11.
  • the connection channels 23 are in one or two rows offset from the longitudinal center plane 39 of the inflow chamber 13 is arranged.
  • the pressure distribution chamber 18 adjoining the connection channels 23 has a first wall section 45, which forms a first deflection surface 46.
  • the medium flowing out of the connection channels 23 is deflected so that it changes direction before it reaches the nozzle openings 37 of a nozzle strip 36 downstream.
  • a direct rectilinear flow against the nozzle openings 37 from the inflow chamber 13 is thus not possible.
  • water jets 38 are formed, which are ejected via an outlet opening 30 from the injector 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Claims (15)

  1. Injecteur pour une machine de traitement de textiles,
    comprenant une chambre d'admission (13) qui est reliée à une source de pression (15),
    comprenant au moins un conduit de communication (23) qui débouche avec un orifice d'entrée (24) dans la chambre d'admission (13) et avec un orifice de sortie dans une chambre de répartition de pression (18),
    comprenant une ouverture de sortie (30) qui est reliée sur le plan fluidique à la chambre de répartition de pression (18),
    comprenant un moyen de support (35) pour une feuille à buses (36) qui présente une pluralité d'orifices de buses (37) pour former des jets (38), la feuille à buses (36), insérée dans le moyen de support, formant des jets (38) qui sont envoyés par l'ouverture de sortie (30) de l'injecteur (10),
    la voie d'écoulement (40), qui est prédéfinie par le conduit de communication (23) et la chambre de répartition de pression (18), entre la chambre d'admission (13) et l'ouverture de sortie (30), présentant au moins un premier point de déviation (41) où l'eau qui passe change de direction d'écoulement, et le premier point de déviation (41) étant formé d'une partie de paroi (45) du conduit de communication (23) et/ou de la chambre de répartition de pression (18).
  2. Injecteur selon la revendication 1, caractérisé en ce que le conduit de communication (23), au nombre d'au moins un, est formé d'un alésage, notamment cylindrique.
  3. Injecteur selon la revendication 1, caractérisé en ce que le conduit de communication (23), au nombre d'au moins un, s'étend en dehors du plan longitudinal médian (34) de l'ouverture de sortie (30).
  4. Injecteur selon la revendication 1, caractérisé en ce que plusieurs conduits de communication (23) sont prévus, au moins un des conduits de communication (23) étant disposé à distance du plan longitudinal médian (34), de part et d'autre du plan longitudinal médian (34) passant par l'ouverture de sortie (30).
  5. Injecteur selon la revendication 1, caractérisé en ce qu'en aval de l'orifice de sortie (25) il est prévu dans la chambre de répartition de pression (18), au premier point de déviation (41), une première surface de déviation (46) qui est disposée de façon oblique ou perpendiculaire par rapport à la direction de sortie du fluide passant par l'orifice de sortie (25).
  6. Injecteur selon la revendication 5, caractérisé en ce que la première surface de déviation (46) est formée sur une première partie de paroi (45) de la chambre de répartition de pression (18).
  7. Injecteur selon la revendication 5, caractérisé en ce que la première surface de déviation (46) présente une courbure qui détermine la direction de déviation de l'écoulement.
  8. Injecteur selon la revendication 1, caractérisé en ce qu'en aval du premier point de déviation (41), il est prévu, dans la voie d'écoulement (40), un deuxième point de déviation (49) qui se situe dans la chambre de répartition de pression (18).
  9. Injecteur selon la revendication 1, caractérisé en ce que la chambre d'admission (13) et le conduit de communication (23), au nombre d'au moins un, sont prévus dans un corps d'injecteur (11).
  10. Injecteur selon la revendication 9, caractérisé en ce qu'un fond d'injecteur (12), comportant l'ouverture de sortie (30), est relié au corps d'injecteur (11).
  11. Injecteur selon la revendication 10, caractérisé en ce que la chambre de répartition de pression (18) est délimitée à la fois par le corps d'injecteur (11) et par le fond d'injecteur (12).
  12. Injecteur selon la revendication 1, caractérisé en ce que le premier point de déviation (41) est formé d'une première surface de déviation (45) et d'une deuxième surface de déviation (61).
  13. Injecteur selon les revendications 11 et 12, caractérisé en ce que la première surface de déviation (46) du premier point de déviation (41) est prévue sur le fond d'injecteur (12), et la deuxième surface de déviation (61) du premier point de déviation (41) est prévue sur le corps d'injecteur (11).
  14. Injecteur selon la revendication 8, caractérisé en ce que le deuxième point de déviation (49) est formé d'une première surface de déviation (51) et d'une deuxième surface de déviation (62).
  15. Injecteur selon les revendications 9 et 14, caractérisé en ce qu'au deuxième point de déviation (49) une première surface de déviation (51) est prévue sur le corps d'injecteur (11).
EP09012009A 2009-09-22 2009-09-22 Injecteur pour une machine de traitement du textile Not-in-force EP2302120B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09012009A EP2302120B1 (fr) 2009-09-22 2009-09-22 Injecteur pour une machine de traitement du textile
US12/884,299 US20110067214A1 (en) 2009-09-22 2010-09-17 Injector for a textile processing machine
JP2010211219A JP5714282B2 (ja) 2009-09-22 2010-09-21 繊維加工機械用のインジェクタ
CN201010298290.4A CN102021752B (zh) 2009-09-22 2010-09-21 用于纺织加工机械的喷射器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09012009A EP2302120B1 (fr) 2009-09-22 2009-09-22 Injecteur pour une machine de traitement du textile

Publications (2)

Publication Number Publication Date
EP2302120A1 EP2302120A1 (fr) 2011-03-30
EP2302120B1 true EP2302120B1 (fr) 2012-06-20

Family

ID=41259506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09012009A Not-in-force EP2302120B1 (fr) 2009-09-22 2009-09-22 Injecteur pour une machine de traitement du textile

Country Status (4)

Country Link
US (1) US20110067214A1 (fr)
EP (1) EP2302120B1 (fr)
JP (1) JP5714282B2 (fr)
CN (1) CN102021752B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2302119B1 (fr) * 2009-09-18 2012-06-20 Groz-Beckert KG Film de buse pour une poutre à buse doté de segments de film pouvant être reliés
EP2301671B1 (fr) * 2009-09-18 2012-06-06 Groz-Beckert KG Rampe de buses pour une machine de traitement du textile
CN102747538B (zh) * 2012-05-29 2015-04-29 重庆国际复合材料有限公司 一种溢流槽系统
CN103498288A (zh) * 2013-09-29 2014-01-08 无锡众望四维科技有限公司 水刺固网机的水刺头
CN103498289B (zh) * 2013-09-29 2015-11-18 无锡纳润特科技有限公司 水刺固网机的高压水刺头
WO2015077439A1 (fr) 2013-11-20 2015-05-28 Trustees Of Boston University Supplément de tissu injectable
DE202014101647U1 (de) * 2014-04-08 2015-07-09 Autefa Solutions Germany Gmbh Düsenbalken
CN105155138B (zh) * 2015-09-14 2018-03-16 杭州诺邦无纺股份有限公司 水刺头防溅射自动洁浆装置及自动洁浆方法
ES2670918T3 (es) 2016-02-11 2018-06-04 Groz-Beckert Kg Tira de boquillas para una máquina de tratamiento de textiles
IT201600076150A1 (it) * 2016-07-20 2018-01-20 A C M Eng S R L Dispositivo iniettore per getti d’acqua
DE102016119480A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
DE102016119481A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
DE102016119483A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
CN106436034A (zh) * 2016-10-19 2017-02-22 郑州纺机工程技术有限公司 一种高水压水刺头
DE102018104907A1 (de) * 2018-03-05 2019-09-05 TRüTZSCHLER GMBH & CO. KG Anlage und Verfahren zur Erzeugung eines textilen Velours
DE202018107163U1 (de) * 2018-12-14 2020-03-13 Autefa Solutions Germany Gmbh Strahlsaugkasten

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069563A (en) * 1976-04-02 1978-01-24 E. I. Du Pont De Nemours And Company Process for making nonwoven fabric
IL76495A (en) * 1984-09-28 1990-09-17 Milliken Res Corp Method and apparatus for texturing fabrics
US5235733A (en) * 1984-09-28 1993-08-17 Milliken Research Corporation Method and apparatus for patterning fabrics and products
JPH073028B2 (ja) * 1985-09-20 1995-01-18 東レ株式会社 繊維交絡シ−トの製造装置
JP2513790Y2 (ja) * 1993-06-25 1996-10-09 株式会社大昌▲鉄▼工所 ノズルに於けるノズル板の交換装置
DE59601476D1 (de) * 1995-01-23 1999-04-29 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
US5933931A (en) * 1997-12-05 1999-08-10 Bba Nonwovens Simpsonville, Inc. Turbulence-induced hyrdroenhancing for improved enhancing efficiency
US6442809B1 (en) * 1997-12-05 2002-09-03 Polymer Group, Inc. Fabric hydroenhancement method and equipment for improved efficiency
FR2795099B1 (fr) * 1999-06-17 2001-07-13 Icbt Perfojet Sa Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression
DE10061985A1 (de) * 2000-12-13 2002-06-20 Fleissner Gerold Verfahren zur hydrodynamischen Beaufschlagung einer Warenbahn mit Wasserstrahlen und Düsenbalken zur Erzeugung von Flüssigkeitsstrahlen
DE10205151A1 (de) * 2002-02-07 2003-08-21 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
FR2836075B1 (fr) * 2002-02-19 2004-04-23 Rieter Perfojet Dispositif de projection de jets d'eau a porte-joint mince
CZ12485U1 (cs) * 2002-06-25 2002-07-24 Hydrosystem Group, A.S. Fluidická tryska
US7793588B2 (en) * 2005-08-22 2010-09-14 Goss International Americas, Inc. Spray pattern valve body
DE102005055939B3 (de) 2005-11-24 2007-02-08 Fleissner Gmbh Düsenbalken in einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen

Also Published As

Publication number Publication date
CN102021752A (zh) 2011-04-20
JP5714282B2 (ja) 2015-05-07
US20110067214A1 (en) 2011-03-24
EP2302120A1 (fr) 2011-03-30
CN102021752B (zh) 2014-11-12
JP2011080187A (ja) 2011-04-21

Similar Documents

Publication Publication Date Title
EP2302120B1 (fr) Injecteur pour une machine de traitement du textile
EP2969234B1 (fr) Buse de pulvérisation pour sortie d'eau sanitaire et robinet sanitaire pourvu d'une sortie d'eau
DE60312260T2 (de) Kraftstoff-Einspritzvorrichtung
DE3727843C2 (de) Vorrichtung zum Erzeugen von Flüssigkeitsstrahlen
DE112012005017B4 (de) Vorrichtung zum Steuern einer Fluid-Strömung in einem Notfall-Waschsystem, Vorrichtung zum Steuern einer Fluid-Strömung und Waschsystem zum Liefern einer Fluid-Strömung
EP2888394B1 (fr) Dispositif de consolidation hydrodynamique de non-tissés, tissus ou tricots
WO1999058844A1 (fr) Injecteur de carburant pour moteur a combustion interne
WO2010069651A1 (fr) Caisson de tête pour machine de fabrication d'une bande de matière fibreuse
EP3246095A1 (fr) Buse destinée à atomiser des liquides
DE112015001576T5 (de) Flüssigkeitsabscheidevorrichtung
DE10020148B4 (de) Kraftstoffeinspritzdüse
DE102009027721A1 (de) Stoffauflauf für eine Maschine zur Herstellung einer Fasterstoffbahn
EP2596230B1 (fr) Dispositif d'injection à vaporisation améliorée
DE19931890A1 (de) Düsenkörper für eine Kraftstoffeinspritzdüse mit optimierter Spritzlochkanalgeometrie
EP1407137B1 (fr) Soupape d'injection de carburant pour moteur a combustion interne
EP2301671B1 (fr) Rampe de buses pour une machine de traitement du textile
DE1511218A1 (de) Papierbrei-Aufgabevorrichtung fuer Papiermaschinen
EP4053320B1 (fr) Bande à buses destinée à la génération des jets de fluide permettant de consolider de manière hydrodynamique une bande de matière, ainsi qu'installation de consolidation d'une telle bande
DE3414880A1 (de) Flachstrahl-spruehduese, insbesondere zum verspruehen von pflanzenschutzmitteln
DE102016105748A1 (de) Verfahren zum Herstellen einer Scheibenwaschdüse sowie Scheibenwaschdüse
DE2829172C2 (de) Kühlvorrichtung für Gegenstände aus Stahl
DE2830609C2 (de) Regelbares Drosselventil für Dampf
EP2383046A1 (fr) Dispositif de buse
DE3114386C2 (de) Brennstoffeinspritzventil für Dieselbremskraftmaschinen
WO2006136385A1 (fr) Dispositif d'injection et tete d'injection

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

17P Request for examination filed

Effective date: 20110416

17Q First examination report despatched

Effective date: 20110520

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 502009003825

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: D04H0001460000

Ipc: B05B0001200000

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: D04H 18/04 20120101ALI20120111BHEP

Ipc: D04H 1/492 20120101ALI20120111BHEP

Ipc: B05B 1/20 20060101AFI20120111BHEP

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 562713

Country of ref document: AT

Kind code of ref document: T

Effective date: 20120715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502009003825

Country of ref document: DE

Effective date: 20120823

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120920

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20120620

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

Effective date: 20120620

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120921

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121020

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121022

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

BERE Be: lapsed

Owner name: GROZ-BECKERT K.G.

Effective date: 20120930

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120930

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121001

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

26N No opposition filed

Effective date: 20130321

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502009003825

Country of ref document: DE

Effective date: 20130321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120922

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120920

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130922

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120922

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130930

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130930

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130922

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090922

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20120620

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 562713

Country of ref document: AT

Kind code of ref document: T

Effective date: 20140922

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140922

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20200812

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20200812

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20200930

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502009003825

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210930

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210922