EP3283247A1 - Machine de dénoyautage/machine vibrante équipée d'un entraînement amélioré - Google Patents

Machine de dénoyautage/machine vibrante équipée d'un entraînement amélioré

Info

Publication number
EP3283247A1
EP3283247A1 EP16724579.4A EP16724579A EP3283247A1 EP 3283247 A1 EP3283247 A1 EP 3283247A1 EP 16724579 A EP16724579 A EP 16724579A EP 3283247 A1 EP3283247 A1 EP 3283247A1
Authority
EP
European Patent Office
Prior art keywords
machine
machine frame
entkernmaschine
vibrating
frame
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.)
Withdrawn
Application number
EP16724579.4A
Other languages
German (de)
English (en)
Inventor
Martin Boindecker
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.)
Fill GmbH
Original Assignee
Fill GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fill GmbH filed Critical Fill GmbH
Publication of EP3283247A1 publication Critical patent/EP3283247A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/001—Removing cores
    • B22D29/005—Removing cores by vibrating or hammering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/001—Removing cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/02—Vibratory apparatus specially designed for shaking out flasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned

Definitions

  • the invention relates to a Entkernmaschine or vibrating machine, which comprises a first machine frame, a movable relative to the first machine frame and machine table for clamping a workpiece, two counter-driven and mounted on the machine table eccentric masses and at least one arranged on the first machine frame drive motor.
  • the Entkernmaschine / vibrating machine comprises coupling means for guiding a force or torque flow from at least one drive motor to the two eccentric masses.
  • AT 003 791 U1 discloses an apparatus for coring cast bodies with sand cores, consisting of a rotor mounted in a frame and having a horizontal axis of rotation, guided by a rotor displaceably guided on the rotor in the direction of the axis of rotation
  • Carriage with a housing for a cast body and a swing drive for the carriage has two counter-rotating imbalance shafts rotatably mounted in the carriage, which are drive-connected via toothed wheels and can be driven by two motors provided on both sides of the carriage on the rotor via a respective belt-shaped belt drive.
  • An object of the invention is therefore to provide an improved Entkernmaschine / vibrating machine. In particular, their life should be extended at the same or reduced production costs.
  • the object of the invention is achieved with a Entkernmaschine / vibrating machine of the type mentioned, in the
  • a branch and / or a merger in the power flow / torque flow respectively means for synchronizing the two eccentric masses are arranged on the first machine frame, and the power flow / torque flow between the first machine frame and the machine table is guided in each case via at least one belt leading to an eccentric mass. It is favorable in this context if the two eccentric masses can be driven by a motor whose driving force / drive torque is branched out to the two eccentric masses with the aid of a gear arranged on the first machine frame.
  • the two eccentric masses can be driven by two motors and the force flows / torque fluxes leading to the eccentric masses are coupled by means of a gear arranged on the first machine frame or a shaft arranged on the first machine frame.
  • the proposed measures means (especially gear) for synchronization of the two eccentric masses are arranged on the first machine frame and are therefore exposed to little or no vibration.
  • the life of Entkernmaschine / vibrating machine can thus be significantly extended by simply shifting the synchronization gear from the machine table to the first machine frame with virtually no additional costs.
  • synchronization means form a branch and / or a combination in the force flow / torque flow between drive motor (s) and eccentric masses. If a single motor is provided, then the power flow / torque flow is branched, if two (or more) motors are provided, the force flow / torque flow is merged and then branched again, or the force flows leading from the individual motors to the eccentric masses / Torque flows coupled.
  • the transmission which is displaced on the frame, also reduces the oscillating mass, as a result of which the drive line can be lowered. If a single engine is provided, then the manufacturing costs for the Entkernmaschine / vibrator can also be reduced, since a single engine is usually less expensive than two engines with the same overall performance.
  • gear transmissions in question in particular spur gear
  • a coupling shaft can generate several power flows / torque flows, in particular via crown gear or bevel gear couple gear.
  • a belt to the eccentric weights are in particular flat belt, round belt, V-belt or timing belt in question. It is also conceivable that the power transmission takes place on the two eccentric masses, each with a plurality of belts. Further advantageous embodiments and modifications of the invention will become apparent from the dependent claims and from the description in conjunction with the figures.
  • the machine table is connected with the aid of leaf springs to the first machine frame, in particular only with the aid of leaf springs.
  • the leaf springs assume a dual function. On the one hand, they form the support element for the machine table, on the other hand, they also form the spring in the oscillatory system that includes the machine table. It is also advantageous that the leaf springs a
  • vibration can only be allowed in one direction, and in the normal direction due to its rigidity, in fact prevented or only allowed to a very limited degree.
  • the machine table can swing substantially only in one direction, even if no additional guide means are provided.
  • a first brake is arranged between the first machine frame and the machine table and / or a second brake is arranged between the first machine frame and the second machine frame.
  • a first brake is arranged between the first machine frame and the machine table and / or a second brake is arranged between the first machine frame and the second machine frame.
  • the first machine frame or, if present, the second machine frame is connected to a machine base via air-filled rubber bellows. In this way, the vibrations introduced by the decoring machine / vibrating machine into the ground can be kept low.
  • a desired spring constant or resonance frequency of the overall system can be set in a simple manner via the pressure in the rubber bellows.
  • the first machine frame is mounted rotatably about a horizontal axis in a second machine frame. As a result, the clamped workpiece on the machine table can be rotated, in particular by 180 °, so that the dissolved molding sand can fall out of the workpiece.
  • the first machine frame is arranged between two pivot bearings arranged on the second machine frame.
  • the storage of the first machine table is thus particularly stable.
  • a further motor is arranged, which is coupled to the first machine frame via a drive rack gear.
  • a drive rod gear is comparatively robust and insensitive to contamination. It is therefore particularly well suited for use with the presented decoring machine / vibrating machine.
  • the resonance frequency of the system which is formed by the (leaf) springs and the mass mounted therewith, is around 20 Hz (in particular between 18 Hz and 22 Hz). This frequency has proven to be advantageous for the coring of workpieces. In a real machine, the deflection is around +/- 15 mm.
  • the eccentric masses are rotated during operation of the decoring machine / vibrating machine substantially at the resonant frequency of said oscillating system. As a result, only a comparatively low drive power is required for the movement of the machine table.
  • the resonance frequency of the system which is formed by the air-filled rubber bellows and the mass stored therewith, is around 7 Hz (in particular between 5 Hz and 9 Hz).
  • the storage of the Entkernmaschine / vibrating machine on the one hand sufficiently soft, on the other hand, a sufficiently large distance to the resonant frequency of the machine table comprehensive vibration system (preferably 20 Hz) is given.
  • Figure 1 is a first exemplified Entkernmaschine / vibrating machine in an oblique view with a drive motor and a first machine frame, which is rotatably mounted in a second machine frame.
  • FIG. 2 shows a second example of a Entkernmaschine / vibrating machine with two drive motors and only a first machine frame.
  • Fig. 3 shows two coupled to a shaft drive pulleys
  • Fig. 4 shows another example of a Entkernmaschine / vibrating machine, wherein the
  • Machine table with linear guides and coil springs is mounted and
  • Fig. 5 is a Entkernmaschine / vibrating machine with a first machine frame, which is rotatably mounted between two pivot bearings in a second machine frame.
  • Fig. 1 shows a first example of a Entkernmaschine or vibrating machine 101 in an oblique view.
  • the Entkernmaschine / vibrating machine 101 comprises a first machine frame 2, an opposite the first machine frame 2 movably mounted machine table 3 for clamping a workpiece, two counter-driven and mounted on the machine table 3 eccentric masses 4, at least one arranged on the first machine frame 2 drive motor. 5 and two belts 6, which form a part of the coupling means for guiding a force or torque flow from the drive motor 5 to the two eccentric masses 4.
  • the belts 6 are arranged on two pulleys 7 and 8 and serve to guide the flow of force / torque flow between the first machine frame 2 and the machine table 3.
  • Another part of the coupling means is formed by the gear 9.
  • the transmission 9 forms a branch in the power flow / torque flow and means for synchronizing the two eccentric masses 4 and is arranged on the first machine frame 2.
  • the machine table 3 is connected to the first machine frame 2 by means of leaf springs 10. Further means for connecting the machine table 3 with the first machine frame 2 are possible, but these are not necessary. That is, the machine table 3 can - as shown in FIG. 1 - be connected only with leaf springs 10 with the first machine frame 2.
  • a brake 12 is arranged between the first machine frame 2 and the machine table 3, which in this example comprises a brake block connected to the machine table 3 and two outer brake shoes connected to the first machine frame 2.
  • first machine frame 2 is mounted rotatably about a horizontal axis in a second machine frame 13, as shown in FIG.
  • a further motor 14 is provided, which transmits its rotational movement via a mounted on the motor shaft pinion 15 on a connected to the first machine frame 2 gear 16.
  • a further brake may be arranged between the first machine frame 2 and the second machine frame 13 (not shown).
  • the second machine frame 13 is connected via air-filled rubber bellows 17 with a machine foundation. If no second machine frame 13 is provided, then a storage of the first machine frame 2 on air-filled rubber bellows 17 would be conceivable
  • a workpiece for example, a cast workpiece with a cast core, clamped on the machine table 3.
  • the eccentric masses 4 are rotated in opposite directions, whereby the spring-mounted machine table 3 is excited to vibrate, and whereby the sand core is destroyed or discharged.
  • the machine table 3 thereby swings substantially without the provision of additional guide means (compare the linear guide 22 in FIG. 4) only in one direction.
  • the resonant frequency of the system formed by the leaf springs 10 and the mass supported thereon is about 20 Hz, and preferably the eccentric masses 4 are rotated substantially at this resonant frequency during operation of the decoring machine 101.
  • the mass mentioned is essentially composed of the mass of the machine table 3 and the eccentric masses 4.
  • the mass of the workpiece for which the decoring machine 101 is specified can be added.
  • the spring constant of the oscillating system results from the spring constants of the leaf springs 4.
  • the brake 12 is advantageously activated during startup and prevents or at least inhibited movement between the machine table 3 and the first machine frame 2.
  • the resonant frequency of the system which is formed by the air-filled rubber bellows 17 and the mass mounted therewith, is around 7 Hz. Said mass is essentially formed by the entire mass of Entkernmaschine 101 (optionally plus the mass of the workpiece).
  • the spring constant of the oscillating system results from the spring constant of the rubber bellows 17th
  • the machine table 3 can be rotated by 180 ° and the jogging can be done overhead. It is also conceivable that the machine table 3 is rotated only after shaking, whereby the sand dissolved by the shaking falls down. It is also conceivable that the machine table 3 and the first machine frame 2 has recesses through which the cast sand can fall through.
  • a particular advantage of the coring machine / vibrating machine 101 is that the gear 9 is exposed to no or only comparatively low vibrations because of the mounting location on the first machine frame 2. As a result, the life of the transmission 9 is significantly increased over known arrangements.
  • the eccentric masses 4 are driven by a single motor 5, the drive torque is branched via the gear 9, which is relatively inexpensive.
  • the eccentric masses 4 are driven by two separate motors 5, as is the case with the decoring machine / vibrating machine 102 shown in FIG. 2.
  • the speed of the two motors 5 can be synchronized electronically, but it is advantageous if the force flows / torque fluxes leading to the eccentric masses 4 are coupled with the aid of a transmission 9 arranged on the first machine frame 2, as shown in FIG 2 is the case.
  • the transmission 9 thus forms both a merger and a branch in the power flow / torque flow between the motors 5 and the two eccentric masses 4. Also, this transmission 9 is in turn arranged on the first machine frame 2.
  • Fig. 3 shows a detail of another Entkernmaschine / vibrating concrete the two pulleys 8 with underlying crown gears 18, which are coupled by means of spur gears 19 and a shaft 20 with each other to synchronize the rotational movements of the two eccentric masses 4.
  • FIG. 4 shows a further embodiment variant of a decoring machine / vibrating machine 103, which is similar to the decoring machine / vibrating machines 101 and 102 shown in FIGS. 1 and 2.
  • leaf springs 10 instead of leaf springs 10 but now coil springs 21 are provided, which are each arranged between a fixed on the machine table 3 block and a block fixed on the first machine frame 2.
  • the machine table 3 is displaceably mounted on the first machine frame 1 by means of linear guides 22. Otherwise, what has already been said about FIGS. 1 to 3 applies.
  • FIG. 5 shows a more detailed embodiment of a decoring machine / vibrating machine 104, which has a similar structure to the decoring machine / vibrating machine 101 from FIG. 1.
  • the first machine frame 2 the machine table 3 and the second machine frame 13 shown.
  • the first machine frame 2 is in turn rotatably mounted in the second machine frame 13.
  • the gear 16 is realized by means of a drive stick toothing.
  • the illustrated coring machine / vibrators 101..104 may in reality also comprise more or fewer components than shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention concerne une machine de dénoyautage/une machine vibrante (101... 104) comprenant un premier bâti de machine (2), un plateau de machine (3) monté de manière mobile par rapport au premier bâti de machine (2), servant à serrer une pièce à usiner, deux masses excentriques (4) entraînées en sens inverse et montées sur le plateau de machine (3), ainsi qu'au moins un moteur d'entraînement (5) disposé sur le premier bâti de machine (2). Un flux de force ou un flux de couple de rotation est guidé du ou des moteurs d'entraînement (5) vers les deux masses excentriques (4) de telle sorte que des moyens relatifs à un embranchement et/ou à un regroupement dans le flux de force/flux de couple de rotation, servant à synchroniser les deux masses excentriques (4) sont disposés sur le premier bâti de machine (2). De plus, le flux de force/le flux de couple de rotation entre le premier bâti de machine (2) et le plateau de machine (3) est guidé respectivement par l'intermédiaire au moins d'une courroie (6) menant vers une masse excentrique (4).
EP16724579.4A 2015-04-17 2016-04-18 Machine de dénoyautage/machine vibrante équipée d'un entraînement amélioré Withdrawn EP3283247A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50305/2015A AT517133B1 (de) 2015-04-17 2015-04-17 Entkernmaschine/Rüttelmaschine mit verbessertem Antrieb
PCT/AT2016/050100 WO2016164955A1 (fr) 2015-04-17 2016-04-18 Machine de dénoyautage/machine vibrante équipée d'un entraînement amélioré

Publications (1)

Publication Number Publication Date
EP3283247A1 true EP3283247A1 (fr) 2018-02-21

Family

ID=56072138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16724579.4A Withdrawn EP3283247A1 (fr) 2015-04-17 2016-04-18 Machine de dénoyautage/machine vibrante équipée d'un entraînement amélioré

Country Status (4)

Country Link
EP (1) EP3283247A1 (fr)
CN (1) CN107660166B (fr)
AT (1) AT517133B1 (fr)
WO (1) WO2016164955A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT520358B1 (de) * 2017-09-07 2019-10-15 Fill Gmbh Entkernmaschine zum Entkernen von Gusswerkstücken
AT520666B1 (de) * 2017-11-22 2020-07-15 Fill Gmbh Entkernmaschine zum Entkernen von Gusswerkstücken sowie Verfahren zum Herstellen von Gusswerkstücken
AT522125A1 (de) * 2019-02-11 2020-08-15 Fill Gmbh Entkernhammer zum Entkernen von Gusswerkstücken
AT524494A1 (de) * 2020-10-02 2022-06-15 Fill Gmbh Schwingvorrichtung
CN115365481B (zh) * 2022-09-14 2024-08-13 江苏天宏智能装备有限公司 一种震动落砂设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH669343A5 (fr) * 1985-12-19 1989-03-15 Werner Lueber
DK164776C (da) * 1988-02-05 1992-12-28 Dansk Ind Syndikat Koele- og afformningsapparat for sandformstoebte emner
JPH07112621B2 (ja) * 1990-11-07 1995-12-06 ドーラー・ジヤービス・リミテツド・パートナーシツプ 鋳造品中の砂中子を振動により崩壊、除去する装置
JP2959217B2 (ja) * 1991-07-18 1999-10-06 神鋼電機株式会社 鋳物の砂落とし装置
FR2711931B1 (fr) * 1993-11-05 1996-02-09 Dimafond Dispositif perfectionné de débourrage de noyaux de coulée de pièces de fonderie.
AU1083300A (en) * 1998-10-05 2000-04-26 Ashton Group Limited Drive mechanism for vibratory conveyor system
EP1000689A1 (fr) * 1998-11-16 2000-05-17 Fata Aluminium Division of Fata Group S.p.A. Dispositif de débourrage de pièces coulées
AT3791U1 (de) 1999-09-07 2000-08-25 Fill Gmbh Vorrichtung zum entkernen von gusskörpern mit sandkernen
JP4703947B2 (ja) * 2002-06-27 2011-06-15 旭テック株式会社 揺動装置
CN1321271C (zh) * 2002-06-27 2007-06-13 旭技术株式会社 表面加工件和表面加工方法及表面加工装置
AT411971B (de) * 2002-07-26 2004-08-26 Wolfgang Ing Schneebauer Vorrichtung zum entkernen von gussstücken
DE202004021523U1 (de) * 2004-12-23 2008-09-25 "F. u. K." Frölich & Klüpfel Drucklufttechnik GmbH & Co. KG Entkernungsvorrichtung
US7712513B1 (en) * 2006-04-04 2010-05-11 Carrier Vibrating Equipment Co. System and method for controlling casting shakeout retention

Also Published As

Publication number Publication date
WO2016164955A1 (fr) 2016-10-20
AT517133A1 (de) 2016-11-15
CN107660166A (zh) 2018-02-02
AT517133B1 (de) 2017-09-15
CN107660166B (zh) 2019-09-24

Similar Documents

Publication Publication Date Title
AT517133B1 (de) Entkernmaschine/Rüttelmaschine mit verbessertem Antrieb
DE102009007465B3 (de) Antriebssystem für ein Walzwerk, insbesondere für ein Kaltpilgerwalzwerk
DE202016101205U1 (de) Zweiwalzenbrecher
EP2250308B1 (fr) Dispositif d'aiguilletage d'une bande fibreuse
EP3713691B1 (fr) Machine à énucléer destinée à énucléer des pièces moulées et procédé de fabrication de pièces moulées
DE69202793T2 (de) Vorrichtung mit vielfachen Hammerplatten zum Stollen und Geschmeidigmachen von industriellen Fellen und dergleichen.
AT389723B (de) Einrichtung zur erzeugung von vibrationen
DE3308413C1 (de) Spielfrei einstellbarer Schwenkantrieb fuer mindestens eine Hauptachse von Manipulatoren
DE69808869T2 (de) Schleifkopf mit oszillierenden Werkzeugträgern
EP1566243B1 (fr) Dispositif pour le positionnement et l'entraînement d'un outil de travail
DE2908393A1 (de) Vorrichtung fuer die amplitudenaenderung von impulsen, die von einem mechanischen ruettler auf eine ruettelmaschine uebertragen werden
EP4221901A1 (fr) Dispositif oscillant à masses excentriques déplaçables
EP3678791B1 (fr) Machine de débourrage pour le débourrage de pièces coulées
DE102010018576A1 (de) Verfahren und Vorrichtung zum Verdichten von Frischbeton
WO2017076525A1 (fr) Générateur de vibrations et procédé d'introduction d'un objet à battre dans le sol
AT3791U1 (de) Vorrichtung zum entkernen von gusskörpern mit sandkernen
DE4106443A1 (de) Vibrationsmaschine
AT142122B (de) Langsiebpartie für Papier-, Karton- u. dgl. Maschinen.
DE3607189A1 (de) Schwingungserzeugender antrieb fuer eine siebmaschine
DE2601015C3 (de) Vibrationsrammbär
WO2009121606A1 (fr) Plaque vibrante avec entraînement à courroie
DE692680C (de) Wergschuettelmaschine
DE2234866A1 (de) Anordnung zur kompensation der auf ein rotierendes und sich hin und her bewegendes bauelement einwirkenden zentrifugalkraft
DE19508243A1 (de) Rüttelvorrichtung
DE1552177A1 (de) Walzmaschine

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20171117

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL 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 RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20190423

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20200901

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20210112