EP0720871B1 - Vorrichtung zum streifenförmigen Auftragen von viskosem Material - Google Patents
Vorrichtung zum streifenförmigen Auftragen von viskosem Material Download PDFInfo
- Publication number
- EP0720871B1 EP0720871B1 EP95118490A EP95118490A EP0720871B1 EP 0720871 B1 EP0720871 B1 EP 0720871B1 EP 95118490 A EP95118490 A EP 95118490A EP 95118490 A EP95118490 A EP 95118490A EP 0720871 B1 EP0720871 B1 EP 0720871B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- opening
- cylindrical
- housing
- outlet opening
- 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.)
- Expired - Lifetime
Links
- 239000011345 viscous material Substances 0.000 title claims description 11
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- 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
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
Definitions
- the invention relates to a device according to the preamble of the claim 1.
- Such a device is known from EP 0 293 065 A2.
- This Document describes an apparatus for depositing viscous fluid on one surface.
- the device includes an inner nozzle body through hole for the delivery of the viscous material and one funnel-shaped annulus that the conically tapered end of the Surrounds nozzle body and has an air outlet opening at the end.
- This Air outlet opening is located in an adjustable lengthwise direction Use that allows the air outlet opening to be axially related to the inside the material opening located in the air outlet opening.
- the task according to DE 41 20 881 Cl can be solved by surrounding the material nozzle Annulus is divided into individual axially parallel channels.
- the object of the present invention is therefore the generic device form such that a uniform application of the viscous material can be achieved with relatively simple means.
- the gas outlet opening is not surrounded by a razor-sharp edge, but through a cylindrical opening of limited length in the gas annulus final end wall can be formed. It is therefore sufficient if the material exit plane with the entry plane of this short cylindrical Opening section coincides, since here the gas flow is already full Has constricted.
- the single figure shows a schematic longitudinal section through the Nozzle area of a device according to the invention.
- the device also includes a material feed system, not shown for viscous material, a pressurized gas source and a controller for the Feeding the two media.
- a cylindrical housing 10 is shown in the drawing, which together with a concentric tubular inside the housing 10 Inner part 12 defines an annular space 14 which is in the upper, upstream Area connected to gas connection openings 16, 18 of the housing 10 is.
- the tubular inner part 12 has a channel 20 inside, through which the viscous material to be applied is passed.
- the walls run of the tubular inner part with a blunt cone up to a nozzle opening 22 together.
- the nozzle opening 22 formed as a short cylindrical portion that the wall of the penetrates tubular inner part 12 which is closed at the end.
- the level at which this short cylindrical portion of the nozzle opening 22 ends in the flow direction and which is identified in the drawing by the reference number 24 be referred to as the plane of the nozzle opening of the material nozzle.
- the housing 10 has a closure cap 26 lower, exit-side end, for example on the lower end of the cylindrical housing 10 with the aid of a not shown in detail Thread pair is unscrewed.
- This cap 26 includes one End wall 28 which tapers the annular space 14 on the inside and transferred into a gas outlet opening 30, which is concentric with the nozzle opening 22 for the viscous material.
- the gas outlet opening 30 penetrates the End wall 28 in the form of a short cylindrical section, which - related to the terminology introduced at the beginning - an entry level 32 of the Has gas outlet opening 30 and a corresponding outlet level 34. According to the drawing, the plane 24 of the nozzle opening 22 and the entry plane fall 32 of the gas outlet opening 30 essentially together.
- the material flow of the viscous material does not therefore first enter the Funnel area at the end of the annulus, but directly into the initial part the gas outlet opening, in which the gas flow tapers sharply Has.
- the plane 24 of the nozzle opening 22 can be in any position between the entry level 32 and the exit level 34 of the gas inlet opening 30, including, as shown, the entry level 32. It all that matters is that the flow of material tapered from the start and accelerated part of the gas flow is introduced.
Landscapes
- Coating Apparatus (AREA)
- Confectionery (AREA)
Description
Claims (2)
- Vorrichtung zum streifenförmigen Auftragen von viskosem Material auf eine Fläche, mit einer das Material abgebenden, zentralen Materialdüse (12,22) und einem Gaszufuhrsystem mit einem wenigstens den Endbereich der Materialdüse (12,22) umgebenden Ringraum (14), der sich in Strömungsrichtung zu einer konzentrisch zur Düsenöffnung (22) der Materialdüse liegenden, zylindrischen Gasaustrittsöffnung (30) verengt, wobei die Ebene (24) der Düsenöffnung (22) der Materialdüse zwischen der Eintrittsebene (32) und der Austrittsebene (34) der zylindrischen Gasaustrittsöffnung (30) liegt, dadurch gekennzeichnet, daß die Materialdüse ein rohrförmiges, zylindrisches Innenteil (12) innerhalb eines im wesentlichen zylindrischen äußeren Gehäuses (10) bildet und mit dem Gehäuse (10) einen zylindrischen Ringraum (14) begrenzt, der sich bis zu einer Stirnwand (28) am austrittsseitigen Ende des Gehäuses (10) erstreckt und sich auf der Innenseite der Stirnwand (28) konisch zur Gasaustrittsöffnung (30) verjüngt.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die stromabwärtige Stirnwand (28) des Ringraums (14) durch eine Verschlußkappe (26) am Ende des Gehäuses (10) gebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19500053A DE19500053C1 (de) | 1995-01-03 | 1995-01-03 | Vorrichtung zum streifenförmigen Auftragen von viskosem Material |
DE19500053 | 1995-01-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0720871A1 EP0720871A1 (de) | 1996-07-10 |
EP0720871B1 true EP0720871B1 (de) | 2000-03-01 |
Family
ID=7750945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95118490A Expired - Lifetime EP0720871B1 (de) | 1995-01-03 | 1995-11-24 | Vorrichtung zum streifenförmigen Auftragen von viskosem Material |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0720871B1 (de) |
DE (2) | DE19500053C1 (de) |
ES (1) | ES2142444T3 (de) |
PT (1) | PT720871E (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29713744U1 (de) * | 1997-08-01 | 1998-12-03 | Planatol Klebetechnik GmbH, 83101 Rohrdorf | Leim- und/oder Befeuchtungseinrichtung |
DE102014209172A1 (de) * | 2014-05-15 | 2015-11-19 | Robert Bosch Gmbh | Vorrichtung zum Fokussieren eines aus einer Ausgabeöffnung einer Ausgabevorrichtung einer Jet-Vorrichtung ausgegebenen viskosen Mediums, Jet-System und Produktionsanlage |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108793C2 (de) * | 1981-03-07 | 1985-01-17 | Bima Maschinenfabrik Gmbh, 7450 Hechingen | Klebstoff-Auftragevorrichtung, insbesondere für die Lederwaren- und Schuhindustrie |
US4891249A (en) * | 1987-05-26 | 1990-01-02 | Acumeter Laboratories, Inc. | Method of and apparatus for somewhat-to-highly viscous fluid spraying for fiber or filament generation, controlled droplet generation, and combinations of fiber and droplet generation, intermittent and continuous, and for air-controlling spray deposition |
US4995333A (en) * | 1989-09-15 | 1991-02-26 | Kimberly-Clark Corporation | Sprayed adhesive system for applying a continuous filament of theroplastic material and imparting a swirling motion thereto |
DE4120881C1 (de) * | 1991-06-21 | 1993-03-11 | Boellhoff Verfahrenstechnik Gmbh & Co Kg, 4800 Bielefeld, De |
-
1995
- 1995-01-03 DE DE19500053A patent/DE19500053C1/de not_active Expired - Fee Related
- 1995-11-24 DE DE59507905T patent/DE59507905D1/de not_active Expired - Fee Related
- 1995-11-24 ES ES95118490T patent/ES2142444T3/es not_active Expired - Lifetime
- 1995-11-24 PT PT95118490T patent/PT720871E/pt unknown
- 1995-11-24 EP EP95118490A patent/EP0720871B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT720871E (pt) | 2000-06-30 |
DE19500053C1 (de) | 1996-03-07 |
ES2142444T3 (es) | 2000-04-16 |
DE59507905D1 (de) | 2000-04-06 |
EP0720871A1 (de) | 1996-07-10 |
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