WO2001097981A1 - Düse zur ausgabe von flüssigkeiten hoher viskosität - Google Patents
Düse zur ausgabe von flüssigkeiten hoher viskosität Download PDFInfo
- Publication number
- WO2001097981A1 WO2001097981A1 PCT/EP2001/006951 EP0106951W WO0197981A1 WO 2001097981 A1 WO2001097981 A1 WO 2001097981A1 EP 0106951 W EP0106951 W EP 0106951W WO 0197981 A1 WO0197981 A1 WO 0197981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- compressed gas
- discharge opening
- liquid channel
- gas tube
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- 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
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/065—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet an inner gas outlet being surrounded by an annular adjacent liquid outlet
Definitions
- Viscous liquid e.g. an adhesive Locite LID3608 with a viscosity of approximately 50,000 mks is conveyed through the liquid channel 12 by means of a volumetric pump, not shown, and is dispensed at the discharge opening 16 and applied to a component, not shown, which is bonded to another component or which is balanced should.
- a volumetric pump not shown
- the pump is stopped so that no further liquid is supplied.
- a drop 24 then forms at the discharge opening 16 and, as a result of its adhesion to the nozzle body 10, sticks in the region of the discharge opening 16. This drop is blown off and the liquid present in the third section 22 is blown out by pulsing a small amount of compressed gas through the compressed air channel 36.
- the compressed gas is called short
- a thin layer of liquid can remain in the third, cylindrical section 22, on the inside thereof.
- the amount of liquid within this layer is small and, in addition, this liquid layer is reproducible so that it does not interfere with the metering of the liquid dispensed.
- Diameter of the first section 18 4.5 mm
- Length of the first section 18 46 mm
- Length of the second section 20 2.5 mm
- Diameter of the third section 22 2 mm
- Length of the compressed gas tube 30 within the liquid channel 12 37.5 mm
- Width of the annular space between the outside of the compressed gas tube 30 and the inside of the liquid channel 12 0.4 mm
- a volume of 0.01 to 0.7 ml of a Loctite LID3608 adhesive is dispensed.
- a compressed gas pulse with a pressure of 0.5 to 1.0 bar and a duration of about 100 to 500 milliseconds is then blown out.
- the quantity dispensed is between 0.394 g and 0.370 g, the spread of the dispensed quantity is narrowed to 0.382 g to 0.378 g due to the pressurized gas pulse.
Landscapes
- Nozzles (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001267546A AU2001267546A1 (en) | 2000-06-20 | 2001-06-20 | Nozzle for discharging highly viscous liquids |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20010885U DE20010885U1 (de) | 2000-06-20 | 2000-06-20 | Düse zur Ausgabe von Flüssigkeiten hoher Viskosität |
DE20010885.9 | 2000-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001097981A1 true WO2001097981A1 (de) | 2001-12-27 |
Family
ID=7943040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/006951 WO2001097981A1 (de) | 2000-06-20 | 2001-06-20 | Düse zur ausgabe von flüssigkeiten hoher viskosität |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2001267546A1 (de) |
DE (1) | DE20010885U1 (de) |
WO (1) | WO2001097981A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012144908A1 (en) * | 2011-03-11 | 2012-10-26 | Trysil Maskin As | Apparatus for applying viscous mass to a surface, method for cleaning valves thereof and traffic printer based on such apparatus |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612405A (en) * | 1949-06-03 | 1952-09-30 | Ind Karlsruhe Ag | Spraying nozzle |
US4036434A (en) * | 1974-07-15 | 1977-07-19 | Aerojet-General Corporation | Fluid delivery nozzle with fluid purged face |
DE3120260A1 (de) * | 1980-11-04 | 1982-06-16 | Gebrüder Lödige Maschinenbau-Gesellschaft mbH, 4790 Paderborn | Vorrichtung zum befeuchten von schuettguetern |
GB2089002A (en) * | 1980-12-05 | 1982-06-16 | Loctite Corp | Dispenser |
GB2326116A (en) * | 1997-05-29 | 1998-12-16 | Cadbury Schweppes Plc | Treatment of chocolate |
US6045875A (en) * | 1997-03-19 | 2000-04-04 | Ngk Insulators, Ltd. | Process and apparatus for applying a primer |
-
2000
- 2000-06-20 DE DE20010885U patent/DE20010885U1/de not_active Expired - Lifetime
-
2001
- 2001-06-20 WO PCT/EP2001/006951 patent/WO2001097981A1/de active Application Filing
- 2001-06-20 AU AU2001267546A patent/AU2001267546A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612405A (en) * | 1949-06-03 | 1952-09-30 | Ind Karlsruhe Ag | Spraying nozzle |
US4036434A (en) * | 1974-07-15 | 1977-07-19 | Aerojet-General Corporation | Fluid delivery nozzle with fluid purged face |
DE3120260A1 (de) * | 1980-11-04 | 1982-06-16 | Gebrüder Lödige Maschinenbau-Gesellschaft mbH, 4790 Paderborn | Vorrichtung zum befeuchten von schuettguetern |
GB2089002A (en) * | 1980-12-05 | 1982-06-16 | Loctite Corp | Dispenser |
US6045875A (en) * | 1997-03-19 | 2000-04-04 | Ngk Insulators, Ltd. | Process and apparatus for applying a primer |
GB2326116A (en) * | 1997-05-29 | 1998-12-16 | Cadbury Schweppes Plc | Treatment of chocolate |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012144908A1 (en) * | 2011-03-11 | 2012-10-26 | Trysil Maskin As | Apparatus for applying viscous mass to a surface, method for cleaning valves thereof and traffic printer based on such apparatus |
US9303367B2 (en) | 2011-03-11 | 2016-04-05 | Trysil Maskin As | Apparatus for applying viscous mass to a surface, method for cleaning valves thereof and traffic printer based on such apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE20010885U1 (de) | 2000-08-24 |
AU2001267546A1 (en) | 2002-01-02 |
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