EP0059647A1 - Apparatus for treating fabrics with foam - Google Patents
Apparatus for treating fabrics with foam Download PDFInfo
- Publication number
- EP0059647A1 EP0059647A1 EP19820301085 EP82301085A EP0059647A1 EP 0059647 A1 EP0059647 A1 EP 0059647A1 EP 19820301085 EP19820301085 EP 19820301085 EP 82301085 A EP82301085 A EP 82301085A EP 0059647 A1 EP0059647 A1 EP 0059647A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foam
- fabric
- liquid
- reservoir
- closed circuit
- 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
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Classifications
-
- 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
- This invention relates to the treatment of textile materials such as fabrics with solutions or dispersions of dyestuffs, colouring materials, textile finishing auxiliaries such as resins, and the like.
- textile materials such as fabrics with solutions or dispersions of dyestuffs, colouring materials, textile finishing auxiliaries such as resins, and the like.
- textile finishing auxiliaries such as resins, and the like.
- textile auxiliary will be used to denote all such liquid treatments.
- Accordinq to the present invention we provide apparatus comprising a liquid reservoir for textile auxiliary solution or dispersion and a pump for re-circulating liquid from said reservoir through a closed circuit back to said reservoir, said closed circuit including valve means responsive to at least the linear speed of a fabric to be treated with foam and serving to divert liquid from the closed circuit to a foam generator wherein it is admixed with air to form a foam for application to the fabric.
- the apparatus includes a control system for the valve means, the control system comprising an actuator for the valve means and an associated control module for the actuator responsive at least to fabric speed.
- the control nodule is also responsive to input siqnals related to fabric width and/or fabric weight. These latter signals may be provided as pre-set, constant inputs, in which case the fabric speed may be used to effect overall, or major control of the setting of the valve means.
- valve means must divert progressively more liquid to the foam generator as the fabric speed progressively increases, and vice-versa.
- the foam generator itself is preferably a column supplied at one end with liquid and air under pressure and containing a medium such as glass beads to form foam from the liquid/air mixture.
- the column just mentioned is preferably arranged to supply the foam to textile finishing apparatus through a tailpipe itself containing a foam generating medium such as a knitted wire-mesh.
- the length of this tailpipe is preferably adjustable, for example, by making it from a plurality of discrete sections which are connectable in series.
- a reservoir 1 contains a solution or dispersion of a textile auxiliary, 2, together with a surfactant to render it more readily foamable.
- a surfactant to render it more readily foamable.
- a pump 3 is provided to re-circulate the solution 2 through a closed circuit 4 including a proportionating or diverter valve 5.
- the latter valve has an output connection 6 leading to a foam generator comprising a foaming column 8 supplied with air and liquid together at one end.
- the column is packed with glass beads .(not shown) and its other end communicates with a tailpipe 10 which serves to connect the foam generator to textile fabric treatment apparatus 18.
- the tailpipe 10 is packed with knitted wire mesh, 11.
- the valve 5 is operated by a control unit comprising an actuator 13 and a control module 14. Details of the latter are not given because there are many.ways of implementing the desired control functions.
- the module is arranged to respond to three control inputs; one of these (15) is a fabric/speed signal from the fabric treatment apparatus mentioned above.
- the other two inputs (16 and 17) are supplied with pre-set, fixed input signals corresponding to fabric width and fabric weight. These are based on calibration of the system, for given fabrics and various values of fabric auxiliary pick-up desired. Once set up, the fabric speed signal effects overall, or major control of the rate of foam generation, through operation of the control unit.
- the fabric treatment apparatus 18 may be a resin finishing machine, a dyeing machine or a fabric printing machine. In the latter case, separate apparatus may be provided to foam each colouring liquid applied and a common control module 14 may be used to effect control of each such apparatus.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- This invention relates to the treatment of textile materials such as fabrics with solutions or dispersions of dyestuffs, colouring materials, textile finishing auxiliaries such as resins, and the like. In the interests of simplicity the tern "textile auxiliary" will be used to denote all such liquid treatments.
- It is know that the application of textile auxiliaries can be more econonically and/or efficiently carried out by applying them as a foam. However, the apparatus for this purpose has hitherto been both complicated and expensive.
- Accordinq to the present invention we provide apparatus comprising a liquid reservoir for textile auxiliary solution or dispersion and a pump for re-circulating liquid from said reservoir through a closed circuit back to said reservoir, said closed circuit including valve means responsive to at least the linear speed of a fabric to be treated with foam and serving to divert liquid from the closed circuit to a foam generator wherein it is admixed with air to form a foam for application to the fabric.
- Preferably, the apparatus includes a control system for the valve means, the control system comprising an actuator for the valve means and an associated control module for the actuator responsive at least to fabric speed. Preferably, the control nodule is also responsive to input siqnals related to fabric width and/or fabric weight. These latter signals may be provided as pre-set, constant inputs, in which case the fabric speed may be used to effect overall, or major control of the setting of the valve means.
- It will be appreciated that the valve means must divert progressively more liquid to the foam generator as the fabric speed progressively increases, and vice-versa.
- The foam generator itself is preferably a column supplied at one end with liquid and air under pressure and containing a medium such as glass beads to form foam from the liquid/air mixture.
- According to a further aspect of the invention, the column just mentioned is preferably arranged to supply the foam to textile finishing apparatus through a tailpipe itself containing a foam generating medium such as a knitted wire-mesh. The length of this tailpipe is preferably adjustable, for example, by making it from a plurality of discrete sections which are connectable in series.
- This is particularly advantageous because it enables the liquid dwell time in foam generation to be tailored to accommodate different throuqhputs, as well as to accommodate different kinds of auxiliary solution or dispersion. This is especially relevant to the surfactant used in making up the auxiliary solution or dispersion because surfactant properties vary quite widely.
- In order that the invention be better understood, a preferred embodiment of it will now be described by way of example with reference to the accompanying drawinq which is a schematic -illustration of one apparatus in accordance with the invention.
- In the drawing, a reservoir 1 contains a solution or dispersion of a textile auxiliary, 2, together with a surfactant to render it more readily foamable. Other materials, such as softening agents, may also be ' present; in the case of a resin, a thermally activated catalyst will usually be also included. A pump 3 is provided to re-circulate the
solution 2 through a closedcircuit 4 including a proportionating or diverter valve 5. The latter valve has an output connection 6 leading to a foam generator comprising afoaming column 8 supplied with air and liquid together at one end. The column is packed with glass beads .(not shown) and its other end communicates with atailpipe 10 which serves to connect the foam generator to textilefabric treatment apparatus 18. Thetailpipe 10 is packed with knitted wire mesh, 11. - The valve 5 is operated by a control unit comprising an
actuator 13 and a control module 14. Details of the latter are not given because there are many.ways of implementing the desired control functions. The module is arranged to respond to three control inputs; one of these (15) is a fabric/speed signal from the fabric treatment apparatus mentioned above. The other two inputs (16 and 17) are supplied with pre-set, fixed input signals corresponding to fabric width and fabric weight. These are based on calibration of the system, for given fabrics and various values of fabric auxiliary pick-up desired. Once set up, the fabric speed signal effects overall, or major control of the rate of foam generation, through operation of the control unit. - It will be appreciated that the
fabric treatment apparatus 18 may be a resin finishing machine, a dyeing machine or a fabric printing machine. In the latter case, separate apparatus may be provided to foam each colouring liquid applied and a common control module 14 may be used to effect control of each such apparatus.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82301085T ATE14761T1 (en) | 1981-03-04 | 1982-03-03 | DEVICE FOR TREATMENT OF FABRIC WITH FOAM. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8106868 | 1981-03-04 | ||
GB8106868 | 1981-03-04 | ||
GB8109946A GB2093738B (en) | 1981-03-04 | 1981-03-31 | Textile treatment using foams |
GB8109946 | 1981-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0059647A1 true EP0059647A1 (en) | 1982-09-08 |
EP0059647B1 EP0059647B1 (en) | 1985-08-07 |
Family
ID=26278649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19820301085 Expired EP0059647B1 (en) | 1981-03-04 | 1982-03-03 | Apparatus for treating fabrics with foam |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0059647B1 (en) |
DE (1) | DE3265144D1 (en) |
GB (1) | GB2093738B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986006681A1 (en) * | 1985-05-03 | 1986-11-20 | Johannes Zimmer | Method for applying a foam material |
CN108890949A (en) * | 2018-06-01 | 2018-11-27 | 长虹美菱股份有限公司 | A kind of Intelligent Hybrid head filling system and its material feeding method for refrigerator door |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT380648B (en) * | 1984-08-31 | 1986-06-25 | Zimmer Johannes | METHOD AND DEVICE FOR APPLYING FLOWABLE MEDIA |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2540288A1 (en) * | 1974-09-13 | 1976-03-25 | Textilana N P | Low moisture content textile web printing paste - foaming to bulk density of 200 - 600 kg per cu metre |
FR2312590A1 (en) * | 1975-05-24 | 1976-12-24 | Hoechst Ag | APPLICATION DEVICE FOR TREATMENT BATHS IN THE FORM OF FOAM ON TEXTILE STRIPS |
DE2653108A1 (en) * | 1975-05-24 | 1978-05-24 | Hoechst Ag | Constant pressure of foam in coating fountain - is maintained by pressure sensor in fountain controlling air supply to foam generator and flow to fountain |
-
1981
- 1981-03-31 GB GB8109946A patent/GB2093738B/en not_active Expired
-
1982
- 1982-03-03 EP EP19820301085 patent/EP0059647B1/en not_active Expired
- 1982-03-03 DE DE8282301085T patent/DE3265144D1/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2540288A1 (en) * | 1974-09-13 | 1976-03-25 | Textilana N P | Low moisture content textile web printing paste - foaming to bulk density of 200 - 600 kg per cu metre |
FR2312590A1 (en) * | 1975-05-24 | 1976-12-24 | Hoechst Ag | APPLICATION DEVICE FOR TREATMENT BATHS IN THE FORM OF FOAM ON TEXTILE STRIPS |
DE2653108A1 (en) * | 1975-05-24 | 1978-05-24 | Hoechst Ag | Constant pressure of foam in coating fountain - is maintained by pressure sensor in fountain controlling air supply to foam generator and flow to fountain |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986006681A1 (en) * | 1985-05-03 | 1986-11-20 | Johannes Zimmer | Method for applying a foam material |
CN108890949A (en) * | 2018-06-01 | 2018-11-27 | 长虹美菱股份有限公司 | A kind of Intelligent Hybrid head filling system and its material feeding method for refrigerator door |
Also Published As
Publication number | Publication date |
---|---|
DE3265144D1 (en) | 1985-09-12 |
GB2093738B (en) | 1984-04-18 |
GB2093738A (en) | 1982-09-08 |
EP0059647B1 (en) | 1985-08-07 |
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