EP0044038A1 - Outil à main pour le flocage électrostatique d'objets - Google Patents

Outil à main pour le flocage électrostatique d'objets Download PDF

Info

Publication number
EP0044038A1
EP0044038A1 EP81105314A EP81105314A EP0044038A1 EP 0044038 A1 EP0044038 A1 EP 0044038A1 EP 81105314 A EP81105314 A EP 81105314A EP 81105314 A EP81105314 A EP 81105314A EP 0044038 A1 EP0044038 A1 EP 0044038A1
Authority
EP
European Patent Office
Prior art keywords
tool according
hand tool
hand
voltage
shaped
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
Application number
EP81105314A
Other languages
German (de)
English (en)
Other versions
EP0044038B1 (fr
Inventor
Paul Dr. Petrick
Werner Kaselitz
Hans-Peter Schwedler
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.)
Roederstein Spezialfabriken fur Bauelemente Der E
Original Assignee
ROEDERSTEIN KONDENSATOREN
Roederstein Spezialfabriken fur Bauelemente Der Elektronik und Kondensatoren Der Starkstromtechnik GmbH
Ernst Roederstein Spezialfabrik fuer Kondensatoren 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25786563&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0044038(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19803026241 external-priority patent/DE3026241C2/de
Priority claimed from DE19803039904 external-priority patent/DE3039904A1/de
Application filed by ROEDERSTEIN KONDENSATOREN, Roederstein Spezialfabriken fur Bauelemente Der Elektronik und Kondensatoren Der Starkstromtechnik GmbH, Ernst Roederstein Spezialfabrik fuer Kondensatoren GmbH filed Critical ROEDERSTEIN KONDENSATOREN
Publication of EP0044038A1 publication Critical patent/EP0044038A1/fr
Application granted granted Critical
Publication of EP0044038B1 publication Critical patent/EP0044038B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0537—Arrangements for supplying power, e.g. charging power comprising a charge return path between the target and the spraying apparatus which is not the "true" earth, i.e. using a direct charge return path like a wire or the like, e.g. "floating earth"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0531—Power generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/057—Arrangements for discharging liquids or other fluent material without using a gun or nozzle

Definitions

  • the invention relates to a hand-held device for electrostatically flocking objects, in particular for applying short textile fibers to surfaces provided with adhesive.
  • short fibers in particular textile fibers, are applied to any surface with the formation of a velvety surface, the connection of flock material and surface being permanently ensured by an electrically conductive adhesive applied beforehand.
  • the adhesive materials can be applied by brushing, spraying, screen printing and the like and, depending on the requirements, consist of one- or two-component systems.
  • the flock materials usually consist of viscose, polyamide, polyester or cotton, the length of the individual fibers being approximately in the range from 0.5 mm to 3 mm.
  • Known flocking devices generally work with direct charging of the flock material to a relatively high voltage, for example above 10 kV, in which case the electrostatically charged fibers of the flock material to the object to be flocked by the electrostatic attraction of the charged particles through the grounded surface of the object to be flocked be transported.
  • the flock material can be charged with DC voltage or pulsed high voltage, for example.
  • Known devices that operate on the basis of this charging principle require the supply of a rectified high voltage or pulse voltage, which has been transformed up from the mains voltage, to the flocking device, which requires complex, voluminous and fault-prone power supply units and high-voltage lines that require special safety measures.
  • the object of the invention is to provide a hand-held device for electrostatically flocking objects, which avoids the disadvantages described above, -: has a compact structure, is not subject to any restrictions with regard to the place of use and ensures simple and reliable handling.
  • a cup-shaped applicator intended to hold the flock material and having a high-voltage electrode attached to the bottom and a high-voltage generator which is arranged in a plastic housing which also serves as a carrier for the applicator and is fed from a direct current source.
  • a hand-held device which is easy to handle, can be used practically in any areas and applications and is not susceptible to faults.
  • the batteries are preferably arranged in a metal housing connected to the plastic housing of the high-voltage generator and having a ground connection, and it is particularly advantageous in the practical implementation of a hand-held device according to the invention that the plastic housing receiving the high-voltage generator and the metal housing receiving the batteries are rod-shaped and to connect these two housings to one another in a fixed or detachable manner. This creates a particularly compact and easy-to-use flocking device.
  • the high-voltage generator housed in the rod-shaped plastic housing comprises an oscillator, which can preferably be connected to the direct current source via a pushbutton switch, a transformer and a cascade circuit with protective resistor.
  • the oscillator which is supplied, for example, with a DC voltage of 4.5 volts, which can be supplied by three cylindrical batteries connected in series, generates a high-frequency AC voltage in the range from 8 to 50 kHz, which is supplied via a high-voltage transformer, which is preferred is equipped with a ferrite rod core, is fed to a multi-stage high-voltage cascade, at the output of which the required high voltage of, for example, 30 to 100 k ⁇ is available.
  • the high-voltage cascade is preferably constructed from ceramic capacitors in stack form and Si diodes, since in this way an arrangement which is particularly suitable for accommodation in the rod-shaped housing is obtained.
  • the cascade circuit it is possible in the same way to construct the cascade circuit from axially parallel, series-connected plastic film capacitors and grid-type Si diodes.
  • a high-voltage terminating resistor which simultaneously forms the protective resistor limits the short-circuit current to the permissible value.
  • the high-voltage electrode is arranged on the bottom of the cup-shaped applicator and connected directly to the output of the high-voltage generator via a plug or screw pin, so that the applicator can also be exchanged without problems by loosening this plug or screw connection.
  • the high-voltage electrode can be disk-shaped, plate-shaped or ring-shaped and can be provided with tips to increase the corona, it is preferred as a high-voltage electrode, a rectangular or square plate with ends bent up to form tips is used, which covers the bottom of the cup, leaving an edge area free.
  • a plurality of pull holes are preferably provided, by means of which it is possible to remove the electron wind which is caused by the electrode. given electrons is generated, noticeably amplified and to ensure a particularly uniform and vortex-free transport of the flock material.
  • the draw holes are preferably provided with a fine-mesh cover, in particular made of a fabric.
  • a cover in the form of a plastic grille cover is also provided for the applicator opening, this plastic grille cover not only preventing the flock material from falling out, but at the same time helping to break up or break up any flock material clumps.
  • the applicator consists of at least two nested plastic cups which are fixed relative to one another, the rod-shaped plastic housing containing the high-voltage generator extending through the outer cup bases to the bottom of the cup having the high-voltage electrode and serving to hold the flock material.
  • Two cups are expediently put together to form an applicator, the outer cup, which has a corresponding central opening, being pushed over the cylindrical plastic housing and thus contributing to the stable guiding or holding of the applicator.
  • pull holes are provided in all of the bases of these cups, which are preferably offset from one another.
  • a control circuit containing at least one optical signal element can be connected in parallel to the direct current source via a switch, the control circuit containing the optical signal element preferably having at least one diode and a limiting resistor contains.
  • a zener diode is preferably provided as the diode, the zener voltage having to be adapted to the lower limit voltage of the direct current source, the voltage being e.g. on the light emitting diode must be taken into account. If several diodes are connected in series instead of a zener diode, the number of diodes is selected such that the sum of the forward voltages of the individual diodes is adapted to the lower limit voltage of the direct current source. If the voltage of the batteries forming the direct current source drops below a certain value, then no more current can flow in the control circuit and the optical signal element goes out and thus signals an insufficient charge of the batteries.
  • the switch assigned to the control circuit can be actuated at least via the switch on the hand flocking device and in particular the control circuit is connected to the contact of the switch on the device connected to the high voltage generator.
  • the control circuit is connected to the contact of the switch on the device connected to the high voltage generator.
  • a high voltage identified by the general reference number 1 is in a rod-shaped or tubular plastic housing 16 arranged generator, which consists of an oscillator 3, a transformer 4 and a high-voltage cascade 5 with terminating or protective resistor 6. The individual stages of this high-voltage generator 1 are still explained.
  • the high-voltage generator 1 is supplied from a direct current source which is formed by three cylindrical batteries 13 connected in series, which are arranged in a metal tube 15 which has essentially the same diameter as the plastic tube 16 and is either fixedly or releasably connected to it .
  • the metal tube 15 can be closed by means of a screw cap, as is customary, for example, with pocket torches.
  • a ground connection 14 is also provided for a line for connection to the object to be flocked.
  • a key switch 2 is switched on in the electrical connecting lines from the direct current source to the oscillator 13.
  • the output of the high-voltage generator is connected to a high-voltage electrode 7, which is arranged on the bottom of a cup-shaped applicator 8.
  • the connection is expediently made via a plug-socket arrangement 25, 26, so that a convenient separation of applicator and high-voltage generator is possible at any time and, accordingly, different applicators can be used in a simple manner.
  • the applicator 8 consists of two nested plastic cups 22, 23, wherein the outer cup 22 can be closed with a cover 9 designed as a grid, so that a receiving space for the flock material 10 is defined.
  • the inner cup 23, the height of which is significantly less than the height of the outer cup 22, is firmly connected to the latter, for example at an adhesive area 24.
  • the rod-shaped plastic housing 16 extends through the bottom of the outer container 24. In this way, the applicator 8 is guided and securely held with respect to the rod-shaped housing 16.
  • the draw holes 11 of the inner cup 23 lie in the edge area between the electrode 7 and the cup side wall and in the radial direction outside the draw holes 11 of the outer cup 22.
  • the applicator 8 and also the rod-shaped housing 16, in which the high-voltage generator 1 is located, can consist of PE material.
  • the applicator 8 is filled approximately halfway with flock material 10 and guided at a distance of approximately 10 to 20 cm to the flocking object 27 which is provided with electrically conductive adhesive and contacted with an earth line.
  • the flock particles become negative, e.g. to about 30-100 KV. charged and fly supported by the developing electron wind towards the grounded object 27. Do it yourself. the particles emerge like arrows and penetrate into the adhesive due to their kinetic energy, where they are permanently anchored when the adhesive hardens.
  • FIG. 2 shows the applicator 8 according to FIG. 1 consisting of two nested cups 22, 23 in a front view.
  • the high-voltage electrode 7 is essentially square, the bent corners forming peaks that lead to an increase in the corona.
  • the pull holes 11 are provided, which are covered with a fine-mesh grid 12.
  • the correspondingly offset draw holes 11 of the outer cup 22 are indicated by dashed lines.
  • an applicator that is rectangular or square in cross section an applicator that is circular in cross section can also be used, with no differences in terms of function.
  • FIG. 3 shows an embodiment of a transformer which can be used in high-voltage generator 1 and which consists of a ferrite rod 17, on which the primary winding consisting of relatively few turns and optionally a feedback winding are attached and fixed, for example, by means of a double-sided adhesive tape.
  • the secondary winding 19 is accommodated in a bobbin core 18 provided with chambers and has a relatively high number of turns. The number of turns of the secondary winding is expediently in the range from 5000 to 10000 turns.
  • the output voltage of the transformer is fed to a high-voltage cascade, as shown for example in FIG. 4.
  • This cascade circuit is preferably also rod-shaped and constructed from capacitors 20 and diodes 21.
  • the capacitors can be designed as ceramic capacitors or plastic film capacitors.
  • a Cernet-based resistor which is also used as a protective resistor, is preferably used as the high-voltage terminating resistor 6.
  • resistor chain can be designed in the form of several resistors and limits the short-circuit current in the necessary manner.
  • Fig. 5 shows a rod-shaped, metal or at least metallized housing 15, which serves to hold batteries 13 and is fixed or detachably connected in the manner already described with a plastic tube which carries a cup-shaped applicator.
  • the rod-shaped housing 15 can be closed by means of a screw cap, as is customary, for example, in the case of rod flashlights.
  • One pole of the batteries 13 is connected to the housing via a spring 28.
  • the other pole 29 of the batteries 13 is guided to a contact of a switch 2, which, when activated, i.e. closed switch is connected to the line 31 leading to the high voltage generator.
  • the switch 2 is formed in practice by the "ON" button of the flocking device.
  • a control circuit which is formed by a light-emitting diode 30, a zener diode 33 and a limiting resistor 34, is connected between the line 31 leading to the high-voltage generator and the negative pole of the direct current source.
  • This control circuit is accordingly on the one hand electrically connected to the switch or push button contact 32 and on the other hand to the housing 15.
  • the Zener voltage of the Zener diode 33 is selected in accordance with the lower limit voltage of the battery 13, that is to say that the light-emitting diode 30 can fulfill a double function in such a way that it simultaneously guarantees a charge control and a switch-on control.
  • both functions can be checked during operation of the probe 2, but it is in the case of use of two separate switch or button or sequentially zuzuchaffer contacts also possible for the two functions to be switched separately, and thus the warning device of the Ladun g skontrolle to be carried out separately.
  • At least one diode 35 is used instead of a zener diode. Since a voltage level of 0.7 V is assigned to a diode, several diodes 35 'may have to be connected in series.
  • FIG. 7 shows that a lamp 36 can also be used instead of a light-emitting diode 30, as has been shown in FIGS. 5 and 6. It is indicated in FIG. 7 that the solutions already described above with zener diode 33 and at least one diode 35 can also be implemented in connection with such a lamp 36.

Landscapes

  • Toys (AREA)
  • Electrostatic Spraying Apparatus (AREA)
EP81105314A 1980-07-10 1981-07-08 Outil à main pour le flocage électrostatique d'objets Expired EP0044038B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3026241 1980-07-10
DE19803026241 DE3026241C2 (de) 1980-07-10 1980-07-10 Handgerät zum elektrostatischen Beflocken von Gegenständen
DE3039904 1980-10-22
DE19803039904 DE3039904A1 (de) 1980-10-22 1980-10-22 Handgeraet zum elektrostatische beflocken von gegenstaenden

Publications (2)

Publication Number Publication Date
EP0044038A1 true EP0044038A1 (fr) 1982-01-20
EP0044038B1 EP0044038B1 (fr) 1985-04-17

Family

ID=25786563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81105314A Expired EP0044038B1 (fr) 1980-07-10 1981-07-08 Outil à main pour le flocage électrostatique d'objets

Country Status (3)

Country Link
EP (1) EP0044038B1 (fr)
DE (1) DE3169970D1 (fr)
IT (1) IT1137200B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558742A1 (fr) * 1984-01-28 1985-08-02 Gema Ransburg Ag Pistolet electrostatique pour le revetement par pulverisation
EP0205134A1 (fr) * 1985-06-08 1986-12-17 Endepols, K.-H. Dispositif d'application électrostatique de liquides et de solides
EP0472817A2 (fr) * 1990-08-27 1992-03-04 Wagner International Ag Pistolet de pulvérisation électrostatique
WO1995030489A1 (fr) * 1994-05-09 1995-11-16 Imperial Chemical Industries Plc Dispositif d'aspersion
WO1996010459A2 (fr) * 1994-10-04 1996-04-11 Imperial Chemical Industries Plc Pulverisation electrostatique de matiere particulaire
FR3106510A1 (fr) * 2020-01-28 2021-07-30 Olivier Hutteau Appareil de flocage de fibres électrostatiques haute tension

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212211A (en) * 1963-06-21 1965-10-19 Martha W Chapman Insecticidal application device
DE1577845A1 (de) * 1966-11-03 1970-05-06 Licentia Gmbh Elektrostatische Handspritzpistole
DE1937824A1 (de) * 1969-07-25 1971-01-28 Braun Camera Werk Vorrichtung zur Kontrolle der Spannung von Stromquellen
US3642203A (en) * 1970-02-25 1972-02-15 Co Polymer Chemicals Inc Fiber applicator
DE2404960A1 (de) * 1973-02-01 1974-08-15 Air Ind Courbevoie Spannungs-vervielfacher in kaskadenschaltung und elektrostatische beschichtungsanlagen mit derartigen vervielfachern
AT326242B (de) * 1970-11-23 1975-11-25 Nordson Corp Elektrostatische spritzpistole
DE2533368A1 (de) * 1974-08-06 1976-02-19 Franz Braun Kondensator-anordnung und verwendung der kondensator-anordnung in hochspannungskaskaden
DE2514717A1 (de) * 1975-04-04 1976-10-14 Bauer Reinhold Beflockungsgeraet
DE2731712A1 (de) * 1976-07-15 1978-01-19 Ici Ltd Elektrostatischer fluessigkeitszerstaeuber
GB2010126A (en) * 1977-08-31 1979-06-27 Payne J Apparatus for electrostatically spraying powdered materials
FR2413938A1 (fr) * 1978-01-06 1979-08-03 Payne John Dispositif electrostatique de projection
US4165022A (en) * 1977-03-02 1979-08-21 Ransburg Corporation Hand-held coating-dispensing apparatus

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212211A (en) * 1963-06-21 1965-10-19 Martha W Chapman Insecticidal application device
DE1577845A1 (de) * 1966-11-03 1970-05-06 Licentia Gmbh Elektrostatische Handspritzpistole
DE1937824A1 (de) * 1969-07-25 1971-01-28 Braun Camera Werk Vorrichtung zur Kontrolle der Spannung von Stromquellen
US3642203A (en) * 1970-02-25 1972-02-15 Co Polymer Chemicals Inc Fiber applicator
AT326242B (de) * 1970-11-23 1975-11-25 Nordson Corp Elektrostatische spritzpistole
DE2404960A1 (de) * 1973-02-01 1974-08-15 Air Ind Courbevoie Spannungs-vervielfacher in kaskadenschaltung und elektrostatische beschichtungsanlagen mit derartigen vervielfachern
DE2533368A1 (de) * 1974-08-06 1976-02-19 Franz Braun Kondensator-anordnung und verwendung der kondensator-anordnung in hochspannungskaskaden
DE2514717A1 (de) * 1975-04-04 1976-10-14 Bauer Reinhold Beflockungsgeraet
DE2731712A1 (de) * 1976-07-15 1978-01-19 Ici Ltd Elektrostatischer fluessigkeitszerstaeuber
US4165022A (en) * 1977-03-02 1979-08-21 Ransburg Corporation Hand-held coating-dispensing apparatus
GB2010126A (en) * 1977-08-31 1979-06-27 Payne J Apparatus for electrostatically spraying powdered materials
FR2413938A1 (fr) * 1978-01-06 1979-08-03 Payne John Dispositif electrostatique de projection

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558742A1 (fr) * 1984-01-28 1985-08-02 Gema Ransburg Ag Pistolet electrostatique pour le revetement par pulverisation
EP0205134A1 (fr) * 1985-06-08 1986-12-17 Endepols, K.-H. Dispositif d'application électrostatique de liquides et de solides
EP0472817A2 (fr) * 1990-08-27 1992-03-04 Wagner International Ag Pistolet de pulvérisation électrostatique
EP0472817A3 (en) * 1990-08-27 1992-09-02 Wagner International Ag Electrostatic spray pistol
AU708479B2 (en) * 1994-05-09 1999-08-05 Procter & Gamble Company, The Spraying devices
WO1995030489A1 (fr) * 1994-05-09 1995-11-16 Imperial Chemical Industries Plc Dispositif d'aspersion
CN1071145C (zh) * 1994-05-09 2001-09-19 普罗格特-甘布尔公司 喷涂设备
US5932011A (en) * 1994-05-09 1999-08-03 The Procter & Gamble Company Electrostatic spraying devices with hazardous condition warning system
WO1996010459A3 (fr) * 1994-10-04 1996-05-23 Ici Plc Pulverisation electrostatique de matiere particulaire
AU711793B2 (en) * 1994-10-04 1999-10-21 Procter & Gamble Company, The Electrostatic spraying of particulate material
US6138671A (en) * 1994-10-04 2000-10-31 The Procter & Gamble Company Electrostatic spraying of particulate material
WO1996010459A2 (fr) * 1994-10-04 1996-04-11 Imperial Chemical Industries Plc Pulverisation electrostatique de matiere particulaire
CN1074319C (zh) * 1994-10-04 2001-11-07 普罗格特-甘布尔公司 微粒物质的静电喷洒装置和方法
FR3106510A1 (fr) * 2020-01-28 2021-07-30 Olivier Hutteau Appareil de flocage de fibres électrostatiques haute tension

Also Published As

Publication number Publication date
DE3169970D1 (en) 1985-05-23
EP0044038B1 (fr) 1985-04-17
IT8122764A0 (it) 1981-07-06
IT1137200B (it) 1986-09-03

Similar Documents

Publication Publication Date Title
EP0162341B1 (fr) Dispositif d'alimentation à commutation électronique
EP0110069B1 (fr) Appareil d'application électrostatique d'un enduit sur des objets
DE3321458C2 (fr)
DE2846513C3 (de) Versorgungsschaltung für eine Entladungslampe
DE2838688A1 (de) Anordnung zum elektrischen laden von teilchen
DE1513149B2 (de) Elektrisches kleingeraet mit wiederaufladbarer batterie und ladegeraet
DE2825760C2 (de) Einrichtung zum alternativen Nachweis von positiv und negativ geladenen Ionen am Ausgang eines Massenspektrometers
EP0044038A1 (fr) Outil à main pour le flocage électrostatique d'objets
DE3539712A1 (de) Stromversorgungsschaltung fuer und verfahren zum betrieb von entladungslampen
CH656987A5 (de) Einrichtung zum laden von akkumulatoren, insbesondere zum aufladen von in einem elektrisch betriebenen zahnpflegegeraet untergebrachten akkumulatoren.
DE2822228A1 (de) Anti-statik-einrichtung
EP0030276B1 (fr) Agencement de circuit pour la charge d'une batterie
DE2807629A1 (de) Elektrostatische zerstaeubungsvorrichtung
DE3026241C2 (de) Handgerät zum elektrostatischen Beflocken von Gegenständen
DE1589289C1 (de) Steuer- und Modulationsschaltung fuer eine Hochdruck-Entladungslampe
DE8018589U1 (de) Handgeraet zum elektrostatischen beflocken von gegenstaenden
DE2427590A1 (de) Elektrische speiseschaltung
DE2254009C3 (de) Energieversorgungskreis
DE2600592C2 (fr)
DE3037863C2 (fr)
DE2654498A1 (de) Elektroschockvorrichtung
DE2340978A1 (de) Sender fuer wechsellichtschranke
DE3228780C2 (de) Schaltnetzgerät
DE3039904A1 (de) Handgeraet zum elektrostatische beflocken von gegenstaenden
DE897169C (de) Einrichtung zur Erzeugung kurzzeitiger scharfer Lichtimpulse, insbesondere fuer Stroboskope

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

Designated state(s): DE FR GB SE

17P Request for examination filed

Effective date: 19820706

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB SE

REF Corresponds to:

Ref document number: 3169970

Country of ref document: DE

Date of ref document: 19850523

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

ET Fr: translation filed
26 Opposition filed

Opponent name: ENDEPOLS, K.-H.

Effective date: 19850530

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: ROEDERSTEIN SPEZIALFABRIKEN FUER BAUELEMENTE DER E

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

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

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 19870613

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

Ref country code: SE

Payment date: 19920724

Year of fee payment: 12

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

Ref country code: SE

Effective date: 19930709

EUG Se: european patent has lapsed

Ref document number: 81105314.9

Effective date: 19940210

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

Ref country code: GB

Payment date: 19970625

Year of fee payment: 17

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

Ref country code: FR

Payment date: 19970717

Year of fee payment: 17

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

Ref country code: DE

Payment date: 19970826

Year of fee payment: 17

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

Ref country code: GB

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

Effective date: 19980708

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

Effective date: 19980708

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: 19990331

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

Ref country code: DE

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

Effective date: 19990501

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST