EP1912745B1 - Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten - Google Patents

Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten Download PDF

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Publication number
EP1912745B1
EP1912745B1 EP06776707A EP06776707A EP1912745B1 EP 1912745 B1 EP1912745 B1 EP 1912745B1 EP 06776707 A EP06776707 A EP 06776707A EP 06776707 A EP06776707 A EP 06776707A EP 1912745 B1 EP1912745 B1 EP 1912745B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
compressed air
inlet
liquid
pigmented
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.)
Active
Application number
EP06776707A
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German (de)
English (en)
French (fr)
Other versions
EP1912745A1 (de
Inventor
Berthold Heigl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PL06776707T priority Critical patent/PL1912745T3/pl
Publication of EP1912745A1 publication Critical patent/EP1912745A1/de
Application granted granted Critical
Publication of EP1912745B1 publication Critical patent/EP1912745B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • 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
    • B05B7/2435—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 by parallel conduits placed one inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent

Definitions

  • the invention is directed to a device for spraying pigmented liquids by means of an air stream comprising a main body, a spray nozzle arranged at the front of the main body, a compressed air inlet and a subsequent compressed air channel, an inlet for a pigmented liquid, wherein an adjustable compressed air flow supplied by the compressed air channel is passed at an inlet for the pigmented liquid and loaded with liquid droplets and these liquid droplets are discharged through the spray nozzle, as long as the compressed air flow is maintained.
  • Such devices are commonly referred to as an airbrush or "airbrush gun".
  • the entrainment of the liquid droplets is due to a negative pressure generated by a Venturi effect.
  • very different media can be applied with such a device. In the following, the sake of simplicity is always spoken only of color.
  • a generic device is off US 5,454,517 known.
  • a disadvantage of such devices is that when changing to a different color or after a long break in use, the nozzle must be cleaned, which is time consuming and laborious and also involves the risk that damaging the delicate, arranged in the nozzle needle which can lead to drastic dysfunctions or inability to function.
  • a device for spraying pigmented liquids by means of an air flow is known, the one Base body, a arranged at the front of the body spray nozzle with a centrally disposed therein, acted upon by a spring needle, a compressed air inlet and a subsequent compressed air channel and a pigmented liquid inlet, wherein a supplied through the compressed air duct controllable compressed air flow at the inlet for the pigmented liquid can be guided past and loaded with liquid droplets and these liquid droplets can be dispensed through the spray nozzle while maintaining the compressed air flow.
  • the spray nozzle and needle are seated in a nozzle carrier having the inlet for the pigmented liquid.
  • the nozzle carrier can be removed or replaced as a whole.
  • the invention is based on the object, such a device in such a way that it is very inexpensive to produce and advantageous in handling, in particular, a cleaning of the nozzle can be avoided with the associated problems.
  • a device having the features according to claim 1 is provided. It is envisaged that the nozzle and the needle are seated in a paint-guiding nozzle member, the paint-carrying nozzle member having the inlet for the pigmented liquid, and the ink-carrying nozzle member as a whole being removable or replaceable.
  • This embodiment has the very significant advantage that all acted upon by color parts can be removed or replaced together, so that a color change is completely easy and no manual cleaning required. When placing a new spray head is given no bias by another color and therefore ensures that the new color can be sprayed completely undisturbed.
  • an air duct in the form of a flexible hose is provided, the diameter of which is advantageously variable, in order to adjust the air flow rate in this way.
  • This may conveniently be accomplished by arranging a wheel in a guide which extends obliquely to the hose and the wheel more or less the free cross-section of the hose depending on the axial position of the wheel which is actuatable from the outside of the housing less free.
  • the actuating lever is associated with an adjustable stop for the actuating lever to achieve a constant uniform spray pattern.
  • This adjustable stop is preferably formed by a threaded rod, which is axially displaceable by means of an externally accessible knurled nut.
  • a nozzle hood surrounding the color channel is materially connected to the nozzle and can be fixed by a locking screw.
  • the drawing shows a longitudinal section through a device according to the invention.
  • a device has an elongated, base-like, stick-like base body 1, at the front end of which a paint-guiding nozzle part 2 is arranged.
  • the ink-carrying nozzle part 2 comprises a conical nozzle hood 3 with a passage and guide bore 4 for a nozzle 5, a safety hood 6 engaging over the nozzle hood 3 and an annular body 7.
  • the annular body 7 has an annular circumferential groove 8, in which a guide collar 9 of the base body 1 engages, so that the annular body is mounted pivotably through 360 °.
  • a nozzle carrier 10 is further arranged, from which a nozzle tube 11 extends away, at the front end of the nozzle 5 is formed.
  • a needle 12 Inside the nozzle tube 11 sits a needle 12, which is acted upon by a coil spring 13.
  • the coil spring 13 and the needle 12 are arranged in a longitudinal bore 14 of the nozzle carrier 10, wherein in this longitudinal bore 14 a, as described below, longitudinally displaceable actuating tappet 15 acts.
  • the nozzle carrier 10 has a substantially round outer shape and is positively inserted into the annular body 7, wherein a lateral projection 16 of the nozzle carrier 10 in a - not visible in the drawing - slot of the annular body 7 engages and is fixed relative to the annular body 7 rotatably , which in turn but is rotatable relative to the base body 1.
  • a color inlet 17 is formed in the form of a recess, wherein in the paint inlet 17, either a connecting hose can be used to a paint reservoir or the insertion of a small, directly attachable paint reservoir.
  • the annular body 7 has an external thread 18, onto which the internal thread 19 of the securing hood 6 can be screwed.
  • the nozzle hood 3 can be attached to the ring body 7 via the securing hood 6, wherein at the same time the nozzle carrier 10, which sits in the frontal recess of the base body 1, is axially fixed.
  • the ink-carrying nozzle part 2 is rotatable in total relative to the base body 1 and the nozzle carrier 10 with the ink inlet 17, the nozzle 5, the nozzle needle 12 and the coil spring 13 are interchangeable, so that no ink-carrying part remains and can be easily re-worked with a new color when inserting a new nozzle holder 10.
  • the rear end of the nozzle needle 12 is connected to the coil spring 13, whereas the front end of the coil spring is supported on the narrowing nozzle 5, so that upon movement of the actuating plunger 15 forward, the coil spring 13 is compressed and upon a backward movement of the actuating plunger 15 the Coil spring 13, the nozzle needle 12 with withdraws.
  • the actuating plunger 15 is connected via its inner end 20 with a pivotable about a pivot axis, operable in the direction of arrow P operating lever H, the displacement against the force of a return spring 22 in the direction of arrow P causes the actuating plunger 15 to the right or is moved rearwardly, so that the coil spring 13, the needle 12 can shift in the drawing to the right, whereby with increasing movement to the right or rear, the passage opening of the nozzle 5 is increasingly increased and accordingly more color can be delivered.
  • an air inlet 23 is provided at the rear end of the main body 1.
  • an air channel 24 connects from the inside to a hose-like, flexible material. Slanted to the air channel 24 extends a guide 25 for a provided with a knurled surface thumb wheel 26 which engages in the compressed air channel 24 and this further opens by displacement to the front and by shifting to Rear closes, so that the compressed air passage can be adjusted in this way.
  • the compressed air channel 24 opens into the conically tapered nozzle hood 3, wherein the air flow is accelerated and flows past the nozzle 5 and due to the built-up by the Venturi effect, the ink from a color adjoining the color inlet 17 color channel 27 entrains, so by the nozzle 5 a color-air mixture flows out.
  • the compressed air structure can be done for example by means of a compressor.
  • the working pressure is a maximum of 3 bar.
  • the air duct 24 passes by the lever H and is squeezed at the point 28 when the lever H is in the front closing state.
  • moving the lever H direction of the arrow P is then, as already described, by displacing the needle to the rear of the nozzle 5 released and at the same time the compressed air channel 24 is opened.
  • the path of the release lever 17 can be limited or adjusted by a knurled nut 29 in order to maintain a constant spray line strength over a longer period of time.
  • the knurled nut 29 is seated on a threaded rod 30, which is displaced axially by a rotary movement of the knurled nut 29 and thus forms an adjustable stop for the release lever 17.

Landscapes

  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP06776707A 2005-08-12 2006-08-09 Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten Active EP1912745B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06776707T PL1912745T3 (pl) 2005-08-12 2006-08-09 Urządzenie do rozpylania cieczy pigmentowanych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005038162A DE102005038162A1 (de) 2005-08-12 2005-08-12 Vorrichtung zum Aufsprühen von pigmentierten Flüssigkeiten
PCT/EP2006/007880 WO2007019997A1 (de) 2005-08-12 2006-08-09 Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten

Publications (2)

Publication Number Publication Date
EP1912745A1 EP1912745A1 (de) 2008-04-23
EP1912745B1 true EP1912745B1 (de) 2009-10-14

Family

ID=37341291

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06776707A Active EP1912745B1 (de) 2005-08-12 2006-08-09 Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten

Country Status (12)

Country Link
US (1) US8500043B2 (enExample)
EP (1) EP1912745B1 (enExample)
JP (1) JP5011295B2 (enExample)
KR (1) KR101219229B1 (enExample)
CN (1) CN101242909B (enExample)
AT (1) ATE445464T1 (enExample)
BR (1) BRPI0614564B1 (enExample)
CA (1) CA2618816C (enExample)
DE (2) DE102005038162A1 (enExample)
ES (1) ES2334829T3 (enExample)
PL (1) PL1912745T3 (enExample)
WO (1) WO2007019997A1 (enExample)

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* Cited by examiner, † Cited by third party
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DE102005038162A1 (de) 2005-08-12 2007-02-15 Kriesmair, Bernd, Dipl.-Ing. Vorrichtung zum Aufsprühen von pigmentierten Flüssigkeiten
DE102007053855A1 (de) * 2007-02-27 2008-09-04 Martin Ruda Farbspritzpistole mit einem Grundkörper, auswechselbare Farbleiteinrichtung und Anordnung aus einer Farbspritzpistole, einer auswechselbaren Farbleiteinrichtung und einem Farbspritzpistolenbecher
EP2134475B1 (de) * 2007-04-11 2011-05-25 Bernd Kriesmair Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten
DE102008010169A1 (de) 2008-02-20 2009-09-03 Herpa Miniaturmodelle Gmbh Vorrichtung zum Sprühen einer Flüssigkeit, insbesondere einer Farbe
US8096489B2 (en) 2008-04-28 2012-01-17 Temptu, Inc. Spraying device apparatus
US8091802B2 (en) * 2008-04-28 2012-01-10 Temptu, Inc. Spraying device apparatus
ES2620017T3 (es) 2009-01-26 2017-06-27 3M Innovative Properties Company Pistola pulverizadora de líquido, plataforma de pistola pulverizadora y unidad de cabezal de pulverización
KR100956153B1 (ko) * 2009-11-24 2010-05-06 함응진 액체분사장치
CN103370139B (zh) 2011-02-09 2017-09-05 3M创新有限公司 用于液体喷枪的喷嘴头和喷头组件
ES2845618T3 (es) 2011-07-28 2021-07-27 3M Innovative Properties Co Unidad de cabezal de pulverización con tapón/boquilla para el aire integrado/a para una pistola pulverizadora de líquido
CN103889586B (zh) 2011-10-12 2016-10-12 3M创新有限公司 用于液体喷枪的喷雾头组件
JP6185940B2 (ja) 2012-03-06 2017-08-23 スリーエム イノベイティブ プロパティズ カンパニー 内部ブースト通路を有するスプレーガン
MX354174B (es) 2012-03-23 2018-02-16 3M Innovative Properties Co Barril rociador con tobera inseparable.
US10493473B2 (en) 2013-07-15 2019-12-03 3M Innovative Properties Company Air caps with face geometry inserts for liquid spray guns
JP2017200680A (ja) * 2016-05-05 2017-11-09 丈洋 熊谷 鉛筆のように把持できるエアブラシ
US12397306B2 (en) * 2020-03-27 2025-08-26 3M Innovative Properties Company Spray gun converter
CN116655860A (zh) * 2023-05-31 2023-08-29 贵州凯襄新材料有限公司 一种抗泥保坍型减水剂及其制备方法
CN118558492A (zh) * 2024-06-19 2024-08-30 江苏红阳全月机械制造有限公司 一种用于喷射带颜料液体的装置

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EP2134475B1 (de) 2007-04-11 2011-05-25 Bernd Kriesmair Vorrichtung zum aufsprühen von pigmentierten flüssigkeiten

Also Published As

Publication number Publication date
ATE445464T1 (de) 2009-10-15
PL1912745T3 (pl) 2010-03-31
US8500043B2 (en) 2013-08-06
DE102005038162A8 (de) 2007-07-05
HK1119116A1 (zh) 2009-02-27
BRPI0614564B1 (pt) 2018-07-03
JP2009504366A (ja) 2009-02-05
EP1912745A1 (de) 2008-04-23
ES2334829T3 (es) 2010-03-16
JP5011295B2 (ja) 2012-08-29
CA2618816C (en) 2013-04-02
KR20080033357A (ko) 2008-04-16
CN101242909B (zh) 2010-06-09
US20100282868A1 (en) 2010-11-11
DE502006005124D1 (de) 2009-11-26
KR101219229B1 (ko) 2013-01-18
CA2618816A1 (en) 2007-02-22
DE102005038162A1 (de) 2007-02-15
CN101242909A (zh) 2008-08-13
BRPI0614564A2 (pt) 2009-12-01
WO2007019997A1 (de) 2007-02-22

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