EP0000117A1 - Appareil destiné à faire mousser ou à pulvériser des liquides - Google Patents

Appareil destiné à faire mousser ou à pulvériser des liquides Download PDF

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Publication number
EP0000117A1
EP0000117A1 EP78100038A EP78100038A EP0000117A1 EP 0000117 A1 EP0000117 A1 EP 0000117A1 EP 78100038 A EP78100038 A EP 78100038A EP 78100038 A EP78100038 A EP 78100038A EP 0000117 A1 EP0000117 A1 EP 0000117A1
Authority
EP
European Patent Office
Prior art keywords
spray nozzle
channel
adapter head
support arm
compressed air
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
EP78100038A
Other languages
German (de)
English (en)
Other versions
EP0000117B1 (fr
Inventor
Bodo Hildebrandt
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.)
Procter and Gamble Deutschland GmbH
Original Assignee
Wella 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 Wella GmbH filed Critical Wella GmbH
Publication of EP0000117A1 publication Critical patent/EP0000117A1/fr
Application granted granted Critical
Publication of EP0000117B1 publication Critical patent/EP0000117B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2424—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge
    • B05B7/2427—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge and a secondary stream of atomising fluid being brought together in the container or putting the carried liquid under pressure in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • B05B7/2418—Air pumps actuated by the operator, e.g. manually actuated

Definitions

  • the invention relates to a hand-held device for spraying a liquid, consisting of a housing part designed as a handle for receiving a compressed air supply and a function-activating actuating part, an overlying support arm for receiving a compressed air supply, a releasably attached to the support arm, the spray nozzle carrying adapter head and a connected to the latter Storage container for the liquid.
  • Devices of this type are used to apply liquids, for example preparations of hair cosmetics, skin cosmetics and medicine, to the areas to be treated, dispensing with the controversial use of aerosols today.
  • the invention has for its object to provide a new type of construction of a hand-held device, in particular for spraying liquid cosmetic preparations, in which the operation is simplified by simple design measures and a mix-up of an adapter head and the storage container filled with associated liquid is excluded.
  • a device for receiving the adapter head is arranged in the front part of the support arm lying above the handle, which is designed as a link of a two-part coupling connection that at least two channels run in the adapter head, one of which one channel connects an air inlet opening to the interior of the storage container and - the other channel connects a riser pipe extending into the interior of the storage container to the spray nozzle, and that this spray nozzle is connected by a. has another cross channel with the air duct.
  • the air pump only has to generate a significantly lower air pressure for spraying than is necessary with known spray heads.
  • a finger button is provided as the function-triggering actuating part, on which both a pin and a nose are flanged in the form of an inclined plane in the actuating direction towards the inside of the housing, the pin being held inside a helical spring which is located on the one hand on the finger button and on the other hand is supported on the vent valve, and if there is a plunger of a microswitch which interacts with it in the immediate vicinity under the inclined plane of the nose, this microswitch being firmly connected to the housing part designed as a handle.
  • vent valve ensures that the breakdown of the air pressure in the compressed air supply lines and in the reservoir of the spray jet takes place very quickly after the motor circuit has been interrupted, and undesired dripping is largely avoided, since it is known that the fine spray particles combine and thus become too undesirable with slowly decreasing spray pressure Tilt the tip of the spray nozzle. If the actuating part is suddenly released here, the sudden reduction in pressure prevents liquid residues from remaining inside the nozzle and possibly clogging them.
  • a tubular, preferably elastic application nozzle is provided, which can optionally be coupled or uncoupled to the spray nozzle and if a or a certain distance from the outlet opening of the spray nozzle on this application nozzle several sieve-like, preferably two, mutually spaced partition walls are used.
  • spraying is used when a small amount of liquid is uniform, e.g. on the scalp, and if the wetting effect of a preparation, e.g. of a hair lacquer, should be maintained over a long period of time with uniform distribution, while preventing undesired volatilization of the preparation.
  • the problem-free installation and removal of the preferably elastic application nozzle offers the possibility of immediately fulfilling requests in this regard with the same device by placing the foam nozzle on the spray nozzle.
  • FIG. 1 shows the housing 1 designed as a handle, which has a battery 2 in its lower part and a battery driven by an electric motor 3.
  • Air pump 4 picks up.
  • the housing 1 designed as a handle, which has a battery 2 in its lower part and a battery driven by an electric motor 3.
  • Air pump 4 picks up.
  • the upper part as a function-triggering actuating part, there is a finger button 5 with a protruding pin 6, which is guided in a helical spring 7, and with a lug 8, which cooperates with a plunger 9 of a microswitch 10 via a trained inclined plane.
  • a vent valve 11 is provided which consists of three sub-channels 11a, 11b, 11c which are connected to one another and whose sub-channel 11a has an air channel opening 11d which can be closed by the pin 6.
  • the vent valve 11 is interposed between two compressed air supply lines 12 and 14b, which conduct compressed air from the air pump 4 to a compressed air coupling which consists of a ball pin 14 loaded with a spring 13 with a central air duct 14a, this ball pin being in the front part of one above the handle lying support arm.
  • a downward-running socket 16b is designed as a link of a bayonet catch and receives two radially outwardly projecting ribs 16a of an adapter head designed as a corresponding counter-link, in which a channel 18a and a spray nozzle 19 are located.
  • the spray nozzle 19 has both a transverse channel 18c, which is in communication with the channel 18a, and a further channel 18b, which is in communication with a riser pipe 20, which is connected to the bottom of a fluidly connected ge with the adapter head filled reservoir 17 is enough.
  • the wall of the spray nozzle 19 is in the form of a paraboloid-shaped outlet funnel 21, on the outer wall of which a foamer housing 22 with a tubular elastic application nozzle 23 can be attached, two sieve-like partitions 24 being embedded in the interior of the foamer housing 22, as can be seen better in FIG. 2 .
  • a rechargeable battery is provided instead of the battery 2, which can be recharged by contacts which are led to the outside.
  • the vent valve 11 is actuated electrically by a magnetic switch or the like, which is switched by pressing the finger button 5 via a second contact set of the microswitch 10.
  • the coupling of an adapter head firmly connected to a storage container 17 into the socket 16b of the support arm 15 takes place in a further embodiment, not shown, by means of a screw thread, so that the correspondingly designed adapter head can be screwed into it.
  • the outer wall of the outlet funnel 21 and the foamer housing 22 can be provided with a corresponding screw thread in a further embodiment, not shown.
  • the plunger 9 of the microswitch 10 is displaced by means of the inclined plane on its nose 8.
  • the circuit between battery 2 and motor 3 is closed via a contact, not shown.
  • the shaft of the motor 3 is connected to an air pump 4, which generates compressed air when the motor rotates. This is via the compressed air Supply line 12 fed to the sub-channel of the vent valve.
  • the compressed air now flows through the air duct opening 11d from the sub-duct 11a into the interior of the housing 1 until the projecting pin 6 closes the outlet opening 11d of the sub-duct 11a by further pushing in the finger button 5.
  • the compressed air now takes the path through the compressed air supply line 14b connected to the partial duct 11b in the support arm 15 to the central air duct 14a of the ball pin 14 and is distributed over the duct 18a of the adapter head on the one hand to the spray nozzle 19 and on the other hand into the interior of the storage container 17 pressure prevailing on the liquid surface, the liquid is pressed through the riser pipe 20 into the channel 18b and continues to flow via an annular channel of the spray nozzle 19 concentrically surrounding the transverse channel 18c and from there via four radial channels, only two of which are shown in FIG. 1 are, up to the cross channel 18c, to be swirled by the air jet flowing through the cross channel 18c and finally entrained.
  • the channel 18b opens into the ring channel at an angle of 80 ° and thus almost tangentially, as a result of which the liquid is already set in a swirling movement and flows into the transverse channel 18c via the radial channels distributed uniformly over the circumference.
  • a reinforcement of this swirl is achieved in a further embodiment, not shown, in that the radial channels are arranged on a conical surface, the tip angle of which is between 140 ° and 180 °, preferably 160 °, and that the tip points in the direction of the flow direction.
  • the ratio of the smallest clear cross-section of the transverse channel 18c to the smallest clear cross-section of the ring channel has, for example, a value of approximately 1.5 for the use of hair lacquer and a value of between 0.5 and 2.5 for the use of other cosmetic preparations on. This achieves, for example, a liquid throughput of 12 ml / min for hair lacquer and, for example, 60 ml / min for liquids to be foamed.
  • the ball pin 14 is, as shown in Fig. 1, axially displaceably mounted in the support arm 15 and is pressed by a spring 13 to the adapter head firmly connected to the storage container 17, whereby a possibly different axial position of the coupled adapter head is compensated and for this a more tight Seat is guaranteed by the contact pressure exerted by the spring 13.
  • the finger button 5 When the finger button 5 is released, it moves correspondingly back into its original position due to the force of the coil spring 7, which is supported on the vent valve 11, as a result of which the pin 6 again clears the way for air to escape from the air duct opening 11d into the housing.
  • the air pressure inside the reservoir 17 and inside the spray nozzle 19 breaks down almost instantaneously. After completely releasing the finger button 5, the motor circuit is opened via the microswitch 10 and the compressed air generation is stopped.
  • the compressed air is not generated internally by an electrically driven air pump, but is supplied from the outside to the handheld device via an additional flexible air pressure line.

Landscapes

  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP78100038A 1977-06-25 1978-06-01 Appareil destiné à faire mousser ou à pulvériser des liquides Expired EP0000117B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772728683 DE2728683A1 (de) 1977-06-25 1977-06-25 Vorrichtung zum verschaeumen oder verspruehen von fluessigkeiten
DE2728683 1977-06-25

Publications (2)

Publication Number Publication Date
EP0000117A1 true EP0000117A1 (fr) 1979-01-10
EP0000117B1 EP0000117B1 (fr) 1981-04-08

Family

ID=6012336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100038A Expired EP0000117B1 (fr) 1977-06-25 1978-06-01 Appareil destiné à faire mousser ou à pulvériser des liquides

Country Status (6)

Country Link
US (1) US4222525A (fr)
EP (1) EP0000117B1 (fr)
JP (1) JPS6035190B2 (fr)
AT (1) AT363607B (fr)
DE (2) DE2728683A1 (fr)
IT (1) IT1105196B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010205A1 (fr) * 1988-04-27 1989-11-02 Elektro-Wärme-Technik Siegfried Petz Dispositif atomiseur de liquides
EP0361132A2 (fr) * 1988-09-28 1990-04-04 OECO-TECH Entwicklung & Vertrieb von Verpackungssystemen GmbH Pulvérisateur automatique
WO1991000149A1 (fr) * 1989-06-30 1991-01-10 Wella Aktiengesellschaft Vaporisateur de liquides
FR2807078A1 (fr) 2000-03-29 2001-10-05 Envirosport Revetement de sol sportif, notamment pour courts de tennis et autres jeux de balles

Families Citing this family (34)

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US4697993A (en) * 1983-08-15 1987-10-06 Spray-All, Inc. Fluid medium compressor and user apparatus
US4588623A (en) * 1984-09-28 1986-05-13 Union Carbide Corporation Metal plated poly(aryl ether) containing articles
US4781329A (en) * 1985-05-17 1988-11-01 London Fog, Inc. Combined power duster and ULV aerosol generator
US4828180A (en) * 1987-03-05 1989-05-09 Henning Kristensen Automobile cleaning system and portable unit thereof
DE4027421A1 (de) * 1990-08-30 1992-03-05 Bromhaar Marinus Johan Grootte Handspritzgeraet
CA2072913A1 (fr) * 1992-07-02 1994-01-03 John G. Kaufman Distributeur avec actionneur a l'interieur du reservoir
US5409167A (en) * 1993-08-24 1995-04-25 Borod; Murray Hygienic spray apparatus
US6092260A (en) * 1997-04-18 2000-07-25 Ryobi North America, Inc. Hand-held blower
EP1216103A1 (fr) * 1999-09-24 2002-06-26 Quest International Nederland Bv Dispositifs de distribution
US6502766B1 (en) * 2000-07-24 2003-01-07 The Procter & Gamble Company Liquid sprayers
US6752330B2 (en) 2000-07-24 2004-06-22 The Procter & Gamble Company Liquid sprayers
WO2005016548A1 (fr) 2003-08-13 2005-02-24 Unilever Plc Buse pour dispositif de pulverisation
ES2565232T3 (es) * 2003-08-13 2016-04-01 Unilever N.V. Dispositivo de pulverización de uso doméstico
DE102004003266A1 (de) * 2004-01-21 2005-08-25 Seaquist Perfect Dispensing Gmbh Vorrichtung und Sprühknopf zur Zerstäubung einer kosmetischen Flüssigkeit
WO2005086562A2 (fr) * 2004-03-09 2005-09-22 Universidad De Sevilla Dispositif et procede d'atomisation pneumatique de liquides
US7032841B1 (en) 2004-04-27 2006-04-25 Swisher Steven L Hand-held battery power sprayer
US8939324B2 (en) * 2006-07-05 2015-01-27 Kazem Azodi Fizz retaining device for beverage containers
US8939386B2 (en) 2007-04-12 2015-01-27 Prolitec, Inc. Diffusion device with replaceable cartridge
WO2009116858A1 (fr) * 2008-03-19 2009-09-24 Dispensing Technologies B.V. Dispositif mécanique destiné à distribuer des doses de fluide et moyens de formation de mousse destinés à être utilisés avec celui-ci
US20090238716A1 (en) * 2008-03-24 2009-09-24 Weening Richard W Airborne pathogen disinfectant system and method
JP5788805B2 (ja) * 2009-11-25 2015-10-07 株式会社ダイゾー 噴霧ノズルおよびエアゾール製品
WO2011127669A1 (fr) * 2010-04-14 2011-10-20 Lee Jui-Jen Dispositif de santé de nettoyage par vaporisation et procédé de vaporisation
IT1401505B1 (it) * 2010-08-02 2013-07-26 Marhvel S R L Assieme e metodo per aerosolizzare un prodotto liquido contenuto in un contenitore, e relativo contenitore
CA2822239A1 (fr) 2010-09-21 2012-03-29 Peter Spiegel Systeme d'aerographe pour produits de beaute
CN103521374A (zh) * 2013-10-31 2014-01-22 镇江汇荣机电科技有限责任公司 一种降温用电动喷雾装置
JP6251546B2 (ja) * 2013-11-15 2017-12-20 花王株式会社 ディスペンサー
US9358557B2 (en) * 2013-12-20 2016-06-07 Young Living Essential Oils, Lc Liquid diffuser
FR3030462B1 (fr) * 2014-12-19 2018-02-02 Aptar France Sas Distributeur de produit fluide.
WO2017196848A1 (fr) * 2016-05-09 2017-11-16 The Sherwin-Williams Company Pistolet pulvérisateur à peinture
CN108266388A (zh) * 2017-01-04 2018-07-10 创科（澳门离岸商业服务）有限公司 充气机
CN106617619A (zh) * 2017-01-17 2017-05-10 深圳贵之族生科技有限公司 一种可调喷压喷涂装置
ES2784976T3 (es) * 2017-06-21 2020-10-02 Walmsley Dev Pty Ltd Bomba portátil
US11596957B2 (en) * 2017-11-17 2023-03-07 Frieslandcampina Nederland B.V. Apparatus and methods for dispensing and foaming of a product
US10421086B1 (en) * 2018-06-19 2019-09-24 Christine Kuligowski Reusable dry erase spray paint can

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US1457895A (en) * 1922-05-26 1923-06-05 Campanella Joseph Sanitary lather-making device
FR692424A (fr) * 1929-06-15 1930-11-05 Groupe pulvérisateur électro-pneumatique portatif
US1899749A (en) * 1929-02-25 1933-02-28 Electric Sprayit Company Spraying device
GB520190A (en) * 1938-10-12 1940-04-17 Bristol Pneumatic Tools Ltd Improvements in or relating to air compressors
FR1041600A (fr) * 1951-01-23 1953-10-26 Dispositif pour la pulvérisation de liquides ou de poudres
US3096927A (en) * 1959-10-13 1963-07-09 Wahl Hermann Relieving device for multiple stage compressors
FR1332196A (fr) * 1963-12-16
DE1475170A1 (de) * 1964-05-09 1969-01-16 A M I Di Trotti Gianluigi S A Elektrisch betaetigter Zerstaeuber
US3696973A (en) * 1969-12-09 1972-10-10 Cottell Eric Charles Hand-held air compressor and liquid spray device
US4030665A (en) * 1974-05-20 1977-06-21 Goldwell Gmbh Apparatus for foaming liquid cosmetic substances
US4033511A (en) * 1975-11-24 1977-07-05 Chamberlin Edward B Portable atomizer apparatus

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US2310633A (en) * 1940-05-07 1943-02-09 Kelite Products Inc Spraying apparatus
US2517961A (en) * 1947-01-07 1950-08-08 Baron Barnett Atomizer
US2651546A (en) * 1950-09-08 1953-09-08 Illinois Stamping & Mfg Co Foam producing attachment
US3465469A (en) * 1964-08-05 1969-09-09 Mc Graw Edison Co Liquid vaporizer
FR1532270A (fr) * 1966-11-28 1968-07-12 Geigy Ag J R Distributeur à propulseur séparé pour produits en phase fluide

Patent Citations (11)

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Publication number Priority date Publication date Assignee Title
FR1332196A (fr) * 1963-12-16
US1457895A (en) * 1922-05-26 1923-06-05 Campanella Joseph Sanitary lather-making device
US1899749A (en) * 1929-02-25 1933-02-28 Electric Sprayit Company Spraying device
FR692424A (fr) * 1929-06-15 1930-11-05 Groupe pulvérisateur électro-pneumatique portatif
GB520190A (en) * 1938-10-12 1940-04-17 Bristol Pneumatic Tools Ltd Improvements in or relating to air compressors
FR1041600A (fr) * 1951-01-23 1953-10-26 Dispositif pour la pulvérisation de liquides ou de poudres
US3096927A (en) * 1959-10-13 1963-07-09 Wahl Hermann Relieving device for multiple stage compressors
DE1475170A1 (de) * 1964-05-09 1969-01-16 A M I Di Trotti Gianluigi S A Elektrisch betaetigter Zerstaeuber
US3696973A (en) * 1969-12-09 1972-10-10 Cottell Eric Charles Hand-held air compressor and liquid spray device
US4030665A (en) * 1974-05-20 1977-06-21 Goldwell Gmbh Apparatus for foaming liquid cosmetic substances
US4033511A (en) * 1975-11-24 1977-07-05 Chamberlin Edward B Portable atomizer apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010205A1 (fr) * 1988-04-27 1989-11-02 Elektro-Wärme-Technik Siegfried Petz Dispositif atomiseur de liquides
EP0339109A1 (fr) * 1988-04-27 1989-11-02 Elektro-Wärme-Technik Siegfried Petz Appareil pour pulvériser un liquide
EP0361132A2 (fr) * 1988-09-28 1990-04-04 OECO-TECH Entwicklung & Vertrieb von Verpackungssystemen GmbH Pulvérisateur automatique
EP0361132A3 (fr) * 1988-09-28 1991-01-23 OECO-TECH Entwicklung & Vertrieb von Verpackungssystemen GmbH Pulvérisateur automatique
WO1991000149A1 (fr) * 1989-06-30 1991-01-10 Wella Aktiengesellschaft Vaporisateur de liquides
FR2807078A1 (fr) 2000-03-29 2001-10-05 Envirosport Revetement de sol sportif, notamment pour courts de tennis et autres jeux de balles

Also Published As

Publication number Publication date
US4222525A (en) 1980-09-16
DE2728683A1 (de) 1979-01-11
AT363607B (de) 1981-08-25
IT7849911A0 (it) 1978-06-16
ATA458778A (de) 1981-01-15
JPS5411514A (en) 1979-01-27
EP0000117B1 (fr) 1981-04-08
DE2860597D1 (en) 1981-04-30
JPS6035190B2 (ja) 1985-08-13
IT1105196B (it) 1985-10-28

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