EP0141899A2 - Procédé et installation d'enduction de matériaux en bandes par des agents sous forme de mousse ou de liquide - Google Patents

Procédé et installation d'enduction de matériaux en bandes par des agents sous forme de mousse ou de liquide Download PDF

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Publication number
EP0141899A2
EP0141899A2 EP84105283A EP84105283A EP0141899A2 EP 0141899 A2 EP0141899 A2 EP 0141899A2 EP 84105283 A EP84105283 A EP 84105283A EP 84105283 A EP84105283 A EP 84105283A EP 0141899 A2 EP0141899 A2 EP 0141899A2
Authority
EP
European Patent Office
Prior art keywords
pressure
medium
pressure stage
storage space
arrangement according
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
EP84105283A
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German (de)
English (en)
Other versions
EP0141899A3 (en
EP0141899B1 (fr
Inventor
Johannes Zimmer
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0141899A2 publication Critical patent/EP0141899A2/fr
Publication of EP0141899A3 publication Critical patent/EP0141899A3/de
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Publication of EP0141899B1 publication Critical patent/EP0141899B1/fr
Expired legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/08—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating from outlets being in, or almost in, contact with the textile material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0088—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00 using a short bath ratio liquor
    • D06B19/0094—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00 using a short bath ratio liquor as a foam

Definitions

  • the invention relates to a method for applying media in the foamed state or of liquids to a carrier and an arrangement for carrying out the method.
  • the medium or the liquid in the state desired for the application is conducted to the application area by means of a first pressure stage and is distributed there over the width of the carrier or the web of material, and then with that over the working width distributed medium an almost evenly acting, slight pressure across the entire working width (second pressure stage) is built up, with which the medium is fed to a third printing stage, and the medium is pressurized again in this third printing stage and is applied to the carrier or the web by means of this third printing stage.
  • a preparation device for the medium or the liquid has a pressure generator, the outlet of which opens via a line into a width distribution space, and that the width distribution space is connected to the entry into the third pressure stage, which in turn is a Includes pressure generator.
  • the medium already in the desired state in a storage container is introduced into a width distribution device by means of a device which generates the first pressure stage according to the method or is introduced into a storage space which extends over the working width.
  • the measures according to the invention allow media in the foamed state of any type and consistency to be applied uniformly in any amount, even the smallest of amounts, whereby the difficulties previously encountered with foams are avoided.
  • the invention can also be applied to liquids of the most varied viscosities.
  • FIG. 1 shows the basic circuit diagram for the entire method
  • FIG. 2 shows the arrangement according to the invention.
  • 3 to 6 show different options for a foam feed.
  • 7 and 8 show two embodiments for the arrangement according to the invention.
  • Figs. 1 will be described with reference to the use of foam, depending - but is equal noted that even liquids can be used in the same mannermul.
  • a first printing stage 1 is of an air pressure and 2
  • Congressnreguliersystem air from the inlet 3 into a mixing chamber 4 introduced.
  • the medium to be foamed is introduced into this mixing chamber from a storage vessel 6 via the inlet 6a by means of a quantity-adjustable liquid pressure generation pump 5.
  • the air and medium can be mixed statically or dynamically. If liquid and not foam is to be processed, the air supply and the mixing chamber can be omitted.
  • the foam or the liquid is then pressed into a hose line 8 along the line 7 under an overpressure of 3 to 5 bar.
  • the foam From this hose line, the foam enters a width distribution space 9 under low pressure.
  • This width distribution space 9 distributes the foam supplied almost uniformly over the entire working width of the application bar 10.
  • the hose 8 must have a considerable length, 10 m and more, in order to ensure that the foam emerges completely evenly at the other end without air pockets.
  • the application bar 10 has a housing 11 in which the width distribution space 9 is provided.
  • This width distribution space 9 can be designed differently and it can have its own width distribution device; As shown in FIG. 3, this can either be constructed in the manner of a funnel or with more or less finely distributed branching channels or simply as a hollow shape for receiving in the form of a cone of pouring.
  • the foam enters directly into the upper region of the width distribution space 9. In the example shown, the exit takes place at the lower end of a width distribution device into a supply room 13.
  • a foam supply is built up, the width of which is at least as large as the working width of the application bar 10.
  • the foam From the storage space 13, the foam enters a chamber 14, from where it is guided via the toothed rollers 15 to an outlet gap 16.
  • the toothed rollers 15 form a pressure stage, since they exert a pressure on the foam which is sufficient to introduce the foam through the outlet gap into the web below. It goes without saying that this pressure level need not necessarily be given by toothed rollers, but that other pressure-generating devices can also be used. It should be expressly emphasized that the first pressure stage formed by the foam generating device and the other pressure stages are independent of one another and can be set and regulated separately.
  • the medium that is to say the foam or the liquid
  • the medium is distributed in the storage space 13 over the working width in an almost depressurized or even depressurized state.
  • a slight pressure is now exerted on the medium, i.e. the medium is subjected to a second pressure stage.
  • the pressure exerted here only needs to be so great that the suction area for the third pressure stage is evenly supplied with foam or liquid.
  • the weight of the medium can also be used to build up the second pressure stage. The more fluid (aqueous) the medium, the easier it is to build up the suction pressure as a liquid pressure with the weight of a liquid.
  • a floating body 17 is provided, which is designed in the form of a bar.
  • the floating body 17 has an enlarged lower surface and essentially closes the open surface of the space 13. The floating body 17 can be moved up and down in the manner of a piston in the storage space 13, with a seal between the walls of the housing 11 and the floating body 17 the foam itself is given.
  • the weight of the floating body exerts a slight overpressure on the foam, and at the same time this floating body compensates for irregularities in the width distribution.
  • the weight or the pressure generated thereby is sufficient to supply the foam to the suction part of the second pressure stage in a constant and pressure-balanced manner, ie without air holes.
  • the float can be adapted to any foam density as required.
  • the floating body 17 In addition to the function of building up an extremely minimal excess pressure, the floating body 17 also has the function of keeping the foam supply free of undesired air influences and free of foam-destroying air inlets in addition to the function of the fine distribution of the foam already mentioned. In addition, however, it forms a mechanical control element between the foam consumption and the foam delivery, in that the control impulses for the control of the foam delivery quantity can be derived by any auxiliary devices from the change in height of the floating body.
  • the sensor 18 is indicated schematically in FIGS. 1 and 2. It can be seen from FIG. 1 that this sensor 18 acts back on stage 1 via a connection 19. Such sensors are known, and this sensor can be a rod probe which is pivoted by the floating body 17, the response of the probe can be capacitive, etc.
  • Openings 20 can be seen in the upper part of the wall of the housing 11, through which excess foam can escape when the floating body 17 is in an upper position. This is particularly advantageous, since it is easy to remove the foam that has been standing for a long time and is already aging or decomposing. It is thus possible to give the foam generating device an impulse by hand, as a result of which a large foam delivery takes place for a short time, which pushes the old foam upward and thus through the bores 20, from where the foam is then guided to a storage container (not shown) can. This is because the foam emerges from the width distribution device in the lower area of the space 13 near the second pressure stage and thus with a larger foam delivery, the foam already in the space 13 is pressed upwards. Even during operation of the entire arrangement, from time to time, e.g. every 10 seconds, a larger amount of foam is automatically delivered to remove the longer standing foam.
  • a perforated plate 21a is also shown in FIG. 2, which serves as a protective device for the second pressure stage in order to prevent foreign bodies from entering the chamber 14.
  • the foam can now be applied either directly from the exit gap 16 to the web 21 passing through with sliding contact or indirectly via a transfer roller 22, the application then having rolling contact and pressing action, e.g. is carried out with a magnet system 23.
  • the piston 17 can also be omitted if the dead weight of the Room 13 foam is large enough to generate the pressure required for the second pressure stage.
  • FIG. 3 to 6 show different ways of supplying foam.
  • the foam is introduced into a funnel 25 via a line 24.
  • the line 24 is divided into a number of lines 26, which open out at different points in an outlet slot. According to FIG. 5, there is a fine division over lines 27.
  • line 24 opens into a closed space 28 in which a pouring cone 29 is formed from the foam.
  • FIG. 7 shows an embodiment of the arrangement according to the invention which is somewhat modified compared to FIG.
  • a foam is introduced via the pressure connection 30 into the width distribution space 9 of the application bar 10.
  • the hose connector 30 and the supply hose, not shown, can be moved back and forth in the longitudinal direction to the application bar 10 and the foam is distributed over the working width in such a way that the hose connector 30 is moved back and forth at a predetermined speed.
  • the cover of the width distribution space 9 is moved along with the hose connector 30.
  • the foam distributed in this way then comes into a storage space, the open area of which is essentially closed by a floating body 17.
  • This float 17 gives the pressure required for the second pressure level, which approximately corresponds to the suction of the third pressure level.
  • the third pressure stage is again formed here by the toothed rollers 15.
  • FIG. 8 shows a different spatial arrangement of the application bar 10.
  • the foam is again introduced into the width distribution space 9 via a pressure connection 30.
  • the hose connector and the Hose moved in the longitudinal direction of the application bar.
  • the foam thus distributed over the working width reaches space 31, which has an open surface 32 that is essentially closed by floating body 17.
  • the outlet gap 16 points upwards, so that the foam supplied via the second pressure stage of the third pressure stage must be conveyed upward via the toothed rollers 15. So foam application from bottom to top is possible here. It has been shown that the pressure applied by the floating body 17 to the foam is sufficient to continuously and completely supply the required material to the third pressure stage.
  • the principle of the present invention can be applied to any spatial position of the outlet gap 16.
  • the invention has made it possible to use foamed media for process engineering in the treatment of carriers in webs without the problems mentioned at the outset adversely affecting the process.
  • the inventive measures in the arrangement result in an improvement in process technology, the greater the lower the foam density or the lower the stability of the foam used in each case, because it is now possible to work with an extremely minimal amount of foam.
  • the foams of low density and those with low flowability according to the prior art were not reliably exact and could be manipulated and controlled in the smallest quantity ranges. This has now been changed by the invention. According to the current state of the art, either uncertainty factors with regard to reliability and uniformity or costly substance losses or those which complicate the technology had to be accepted.
  • the floating body 17 can also be omitted, in which case the control impulses can be taken directly from the liquid level.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
EP84105283A 1983-05-25 1984-05-10 Procédé et installation d'enduction de matériaux en bandes par des agents sous forme de mousse ou de liquide Expired EP0141899B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1911/83A AT393464B (de) 1983-05-25 1983-05-25 Vorrichtung zum auftragen von aufgeschaeumten oder hochviskosen medien
AT1911/83 1983-05-25

Publications (3)

Publication Number Publication Date
EP0141899A2 true EP0141899A2 (fr) 1985-05-22
EP0141899A3 EP0141899A3 (en) 1986-03-12
EP0141899B1 EP0141899B1 (fr) 1988-07-13

Family

ID=3523688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105283A Expired EP0141899B1 (fr) 1983-05-25 1984-05-10 Procédé et installation d'enduction de matériaux en bandes par des agents sous forme de mousse ou de liquide

Country Status (6)

Country Link
US (1) US4552778A (fr)
EP (1) EP0141899B1 (fr)
JP (1) JPS59225768A (fr)
AT (2) AT393464B (fr)
BR (1) BR8402504A (fr)
DE (1) DE3472689D1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT383290B (de) * 1983-06-23 1987-06-10 Johannes Zimmer Verfahren zur fluessigschaumauftragung mit hilfe einer auftragungseinrichtung
US4622239A (en) * 1986-02-18 1986-11-11 At&T Technologies, Inc. Method and apparatus for dispensing viscous materials
DE3839100A1 (de) * 1988-11-18 1990-05-23 Bematec S A Beschichtungsvorrichtung fuer materialbahnen
US5611274A (en) * 1993-05-19 1997-03-18 Tani Denkikogyo Co., Ltd. Apparatus for screen printing of viscous materials
TW288254B (fr) * 1993-05-19 1996-10-11 Tani Denki Kogyo Kk
WO1998024618A1 (fr) * 1996-12-06 1998-06-11 Bba Nonwovens Simpsonville, Inc. Lamine de voile non-tisse presentant une zone relativement hydrophile et procedes correspondants de fabrication
US6503412B1 (en) 2000-08-24 2003-01-07 Kimberly-Clark Worldwide, Inc. Softening composition
US6607783B1 (en) 2000-08-24 2003-08-19 Kimberly-Clark Worldwide, Inc. Method of applying a foam composition onto a tissue and tissue products formed therefrom
US6852196B2 (en) 2000-11-08 2005-02-08 Kimberly-Clark Worldwide, Inc. Foam treatment of tissue products
US6805965B2 (en) 2001-12-21 2004-10-19 Kimberly-Clark Worldwide, Inc. Method for the application of hydrophobic chemicals to tissue webs
US6797319B2 (en) 2002-05-31 2004-09-28 Kimberly-Clark Worldwide, Inc. Application of foam to tissue products using a liquid permeable partition
US6797116B2 (en) 2002-05-31 2004-09-28 Kimberly-Clark Worldwide, Inc. Method of applying a foam composition to a tissue product
US6835418B2 (en) 2002-05-31 2004-12-28 Kimberly-Clark Worldwide, Inc. Use of gaseous streams to aid in application of foam to tissue products
US6977026B2 (en) 2002-10-16 2005-12-20 Kimberly-Clark Worldwide, Inc. Method for applying softening compositions to a tissue product
US6761800B2 (en) 2002-10-28 2004-07-13 Kimberly-Clark Worldwide, Inc. Process for applying a liquid additive to both sides of a tissue web
US6964725B2 (en) 2002-11-06 2005-11-15 Kimberly-Clark Worldwide, Inc. Soft tissue products containing selectively treated fibers
US7029756B2 (en) 2002-11-06 2006-04-18 Kimberly-Clark Worldwide, Inc. Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent properties
US6949168B2 (en) 2002-11-27 2005-09-27 Kimberly-Clark Worldwide, Inc. Soft paper product including beneficial agents
US20040121680A1 (en) * 2002-12-23 2004-06-24 Kimberly-Clark Worldwide, Inc. Compositions and methods for treating lofty nonwoven substrates
US7396593B2 (en) 2003-05-19 2008-07-08 Kimberly-Clark Worldwide, Inc. Single ply tissue products surface treated with a softening agent
US7204882B2 (en) * 2005-01-12 2007-04-17 Lung-Wen Chou Polyurethane resin coating device
CN101883682B (zh) * 2007-12-10 2012-10-10 株式会社理光 图像形成设备和泡沫涂布装置

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CH514694A (de) * 1969-07-30 1971-07-15 Bleiche Ag Verfahren zum kontinuierlichen Auftragen von regulierbaren Mengen eines flüssigen Glätte- oder Verfestigungsmittels auf mindestens einen laufenden Textilfaden
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Also Published As

Publication number Publication date
EP0141899A3 (en) 1986-03-12
US4552778A (en) 1985-11-12
DE3472689D1 (en) 1988-08-18
ATA191183A (de) 1984-08-15
BR8402504A (pt) 1985-04-02
EP0141899B1 (fr) 1988-07-13
JPS59225768A (ja) 1984-12-18
AT393464B (de) 1991-10-25
ATE35704T1 (de) 1988-07-15

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