EP0907423A1 - Method and device for the metered application of liquids to material webs - Google Patents
Method and device for the metered application of liquids to material websInfo
- Publication number
- EP0907423A1 EP0907423A1 EP97932713A EP97932713A EP0907423A1 EP 0907423 A1 EP0907423 A1 EP 0907423A1 EP 97932713 A EP97932713 A EP 97932713A EP 97932713 A EP97932713 A EP 97932713A EP 0907423 A1 EP0907423 A1 EP 0907423A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vibration system
- material web
- ultrasonic vibration
- coated
- liquid
- 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
Links
Classifications
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/02—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means
-
- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
-
- 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
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/18—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material only one side of the work coming into contact with the liquid or other fluent material
-
- 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
- B05C5/0245—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 for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
Definitions
- the invention relates to a method for the metered application of liquids to material webs, in particular to films, according to the preamble of claim 1 and to an apparatus for carrying out the method.
- Spraying methods have in particular the disadvantage of an uneven coating and a high environmental impact due to the open system.
- ultrasound shows a method and a device with which a uniform dosage and a homogeneous coating are guaranteed and with which, due to the closed system and the associated low material losses, there is no or a minor environmental impact.
- Fig. 1 is a Pnnzipdargna the
- Fig. 2 shows the schematic side view m
- FIG. 1 Partial sectional view of the device of FIG. 1 (partially).
- the device according to FIGS. 1 and 2 is formed from an ultrasonic vibration system (sonotrode) 1, in which a feed 2 for a liquid, here for example for a lacquer, is provided.
- An air duct 3 for introducing compressed air is arranged above the sonotrode 1.
- the material web to be coated here for example a film web 4, is guided over the surface of the sonotrode 1 (FIG. 1).
- the sonotrode 1 consists of an ultrasound bar, which is built up, for example, from a large number of sound transducers working in parallel, which together excite the vibration beam in phase, but are decoupled from one another against transverse vibrations.
- the sonotrode could also be formed from a transverse oscillator.
- the sonotrode 1 vibrates over the entire working width with exactly the same amplitude A, frequency and phase position.
- the film web 4 to be coated is pressed onto the surface of the sonotrode 1 by means of the air shaft 3 which is pressurized.
- an elastically rotating roller or a similar means can also be used to guide the film 4 over the sonotrode 1 with a defined pressure force.
- the choice of film web tension can also be used to achieve the necessary pressure / 49499 PC17DE97 / 01350
- a gap 5 is formed over the entire width of the film web 4, which gap opens periodically with the set operating frequency of the sonotrode 1.
- the gap size corresponds approximately to the size of the set amplitude A. Via the gap 5, the lacquer is evenly distributed over the film web 4.
- the sonotrode 1 swings perpendicular to the plane of the film web 4.
- the film web 4 is guided over a rounding 6 onto the sonotrode 1 and derived from there via a tear-off edge 7.
- the rounding 6 and the tear-off edge 7 are integrated in the sonotrode 1 here, but both guide means can also be carried out separately.
- the rounding 6 is formed with an entry angle ⁇ > and the tear-off edge 7 with an exit angle ß, the condition being oC ⁇ ß.
- the amount of paint is adjusted by a metering pump, not shown, depending on the throughput speed of the film web 4, so that the amount of paint is determined exactly per m 2 of film web 4.
- FIG. 2 shows schematically how the vibration-decoupled paint supply can take place via the channel 2 in the sonotrode 1.
- the compressed air line 3 is designed to be adaptable to the width of the film web 4
- the paint can also be supplied through adjustable and lockable edge cover segments (not shown) with vibration decoupling on the feed pipes instead of the paint feed shown through the sonotrode 1.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19627322A DE19627322C1 (en) | 1996-06-26 | 1996-06-26 | Method for controlled application of fluids onto sheet material, e.g. foils used in printing industry |
DE19627322 | 1996-06-26 | ||
PCT/DE1997/001350 WO1997049499A1 (en) | 1996-06-26 | 1997-06-25 | Method and device for the metered application of liquids to material webs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0907423A1 true EP0907423A1 (en) | 1999-04-14 |
EP0907423B1 EP0907423B1 (en) | 2002-09-11 |
Family
ID=7799144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97932713A Expired - Lifetime EP0907423B1 (en) | 1996-06-26 | 1997-06-25 | Method and device for the metered application of liquids to material webs |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0907423B1 (en) |
JP (1) | JP3481949B2 (en) |
DE (2) | DE19627322C1 (en) |
WO (1) | WO1997049499A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004025836B3 (en) * | 2004-05-24 | 2005-12-22 | Dr. Hielscher Gmbh | Method and device for introducing ultrasound into a flowable medium |
DE102006008435A1 (en) * | 2006-02-23 | 2007-09-06 | Köra-Packmat Maschinenbau GmbH | Support and method for receiving a material layer |
US8182552B2 (en) | 2006-12-28 | 2012-05-22 | Kimberly-Clark Worldwide, Inc. | Process for dyeing a textile web |
US7674300B2 (en) | 2006-12-28 | 2010-03-09 | Kimberly-Clark Worldwide, Inc. | Process for dyeing a textile web |
US7740666B2 (en) | 2006-12-28 | 2010-06-22 | Kimberly-Clark Worldwide, Inc. | Process for dyeing a textile web |
US8632613B2 (en) | 2007-12-27 | 2014-01-21 | Kimberly-Clark Worldwide, Inc. | Process for applying one or more treatment agents to a textile web |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993007969A1 (en) * | 1991-10-15 | 1993-04-29 | Minnesota Mining And Manufacturing Company | Ultrasonically assisted coating apparatus and method |
JPH05293431A (en) * | 1992-04-21 | 1993-11-09 | Fuji Photo Film Co Ltd | Coating method |
-
1996
- 1996-06-26 DE DE19627322A patent/DE19627322C1/en not_active Expired - Fee Related
-
1997
- 1997-06-25 JP JP50211998A patent/JP3481949B2/en not_active Expired - Fee Related
- 1997-06-25 DE DE59708202T patent/DE59708202D1/en not_active Expired - Fee Related
- 1997-06-25 EP EP97932713A patent/EP0907423B1/en not_active Expired - Lifetime
- 1997-06-25 WO PCT/DE1997/001350 patent/WO1997049499A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9749499A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP3481949B2 (en) | 2003-12-22 |
DE59708202D1 (en) | 2002-10-17 |
EP0907423B1 (en) | 2002-09-11 |
DE19627322C1 (en) | 1997-11-20 |
JP2000512543A (en) | 2000-09-26 |
WO1997049499A1 (en) | 1997-12-31 |
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