WO1996006969A1 - Process and apparatus for dosing a paste-like washing agent and corresponding sales package - Google Patents
Process and apparatus for dosing a paste-like washing agent and corresponding sales package Download PDFInfo
- Publication number
- WO1996006969A1 WO1996006969A1 PCT/EP1995/003266 EP9503266W WO9606969A1 WO 1996006969 A1 WO1996006969 A1 WO 1996006969A1 EP 9503266 W EP9503266 W EP 9503266W WO 9606969 A1 WO9606969 A1 WO 9606969A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paste
- receptacle
- container
- detergent
- sack
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
Definitions
- the invention relates to a method for dosing a paste-like, thixotropic detergent into an especially commercial washing machine by means of a dosing device.
- Paste-like, essentially water-free detergents are mainly used in commercial laundries. Examples of such pastes are described in DE 38 26 110 AI and in DE 37 19 906 AI.
- the advantages lie in the high washing power as a result of the high concentration of washing-active components compared to powder-form washing agents, since washing-inactive additives which only serve to condition the washing agent are not necessary here.
- a barrel is provided as a storage container for the pasty detergent in this prior art.
- a plate that is movable in the barrel and closes close to the barrel walls which is also called a follow-up plate, lies on the paste and enables conveyance via a simple pipeline with a suction pump (DE 37 19906 AI and DE 38 26 110 AI).
- the removal process is suitable for pastes with a viscosity at around 75,000 to 90,000 mPa s.
- a stirrer below the follower plate is proposed in G 93 14 591, which liquefies the paste located immediately below the follower plate and thus makes it easy to convey.
- the follower plate according to the prior art does not exert any pressure on the paste.
- the paste is only conveyed using a particularly powerful suction pump.
- the use of such an expensive pump is only economical with relatively large containers.
- a device for the almost complete emptying of flexible disposable containers filled with fluids is known from DE 42 18 297 A1.
- the relatively flat bag which is wedge-shaped in cross section, has an outlet opening on its upper side. To empty it, it is placed between two plates and the outlet opening is connected to a pipe. The plates are moved against each other by means of a pressure cylinder and the fluid contained in the container is pressed out.
- this removal method is not suitable for bags filled with thixotropic paste, since the pressure acting on the entire top of the container is generally not sufficient to completely and sufficiently liquefy the paste.
- the known method for emptying the flat bags is also not suitable for exact dosing, since the movement of the plates is in a non-linear and complicated connection with the volume pressed out.
- the present invention has in particular set itself the goal of enabling the use of pasty detergents in the OPL area ("on premise laundry") in an economical manner.
- Containers of 5 to 10 1 corresponding to 7.5 to 15 kg of detergent are typically used here.
- the known metering methods for pasty detergents have so far only been designed for larger containers, are correspondingly expensive and are not suitable for use in the OPL area. Powder detergents with the disadvantages described above are therefore used in the OPL area.
- block detergents in this area of application. To introduce this detergent into the washing machine, water is sprayed onto this block at a temperature of about 50 to 60 ° C. and part of the detergent is dissolved. The temperature mentioned is required in order to release a sufficient amount of detergent from the detergent block in a reasonable time. Disadvantage g in this process is the need to keep hot water ready. If the washing liquor is heated up in the washing machine, this leads to the need for an additional device for hot water preparation.
- the invention also aims to achieve the following objectives. Refilling the paste into a dosing container should not be necessary. The paste should be taken directly from the sales container or a part of the sales container, exactly dosed and at the same time washed into the washing machine. Direct contact of the operating personnel with the product, which is highly caustic due to the content of metasilicate, should be avoided as far as possible.
- the method should in particular be tailored to the needs of smaller commercial laundries and laundries in smaller hotels and homes (OPL).
- OPL hotels and homes
- the invention seeks to create a particularly cost-effective way of using paste-like detergents.
- This object is achieved according to the invention in the method mentioned at the outset by placing the sales container or a portion thereof filled with the detergent in a receptacle of a dosing device and opening on the underside in a first method step, and the detergent volume-controlled from above in the second method step Pressurized and in the third process step, the paste emerging on the underside is washed into the washing machine with water.
- volume-controlled is to be understood here as a control depending on the target volume of the paste emerging from the container.
- the paste is not sucked off according to the invention, but is pressed out of the container from above.
- this emptying method is sufficient to allow a sufficient amount of paste to be metered precisely and to leave the container quickly enough.
- a plastic bag filled with the detergent in particular a stand-up pouch, is removed from a cardboard drum belonging to the packaging and placed in the receptacle of the metering device.
- the container can be changed very quickly, the adjustment container is very easy to clean if it is dirty, and a product change is simplified.
- the plastic bag is first placed in a standing cylinder and then placed in the receptacle of the metering device.
- the stand cylinder is removed from the receptacle together with the still partially filled plastic bag, and a new stand cylinder with a different product is inserted into the receptacle.
- the sales container consisting of a cartridge with a cartridge base that can be moved in the cartridge cylinder, is inserted with the opening facing downward into the receptacle of the metering device.
- the part of the sales container surrounding the detergent in particular the plastic bag or the cartridge, consists of a material which is resistant under the conditions of customary commercial washing processes. After emptying, the temperature, chemical and water-resistant material can be washed in the washing machine, if necessary after being cut. In this way, product residues are removed from the packaging material and used according to their purpose. The cleaned packaging material can be recycled or simply disposed of.
- the necessary relatively low excess pressure can be applied to the paste in process step 2, in which pressure is applied to a plate resting on the paste.
- the plate can already be contained in the sales container, namely in the plastic bag. It is also possible, however, to first open the sack and place the plate on the paste.
- a simple solution to the environmental problems of the packaging is achieved if the plate also consists of a material which is resistant under the conditions of normal commercial washing processes. With the relatively small containers used in the OPL area, it is possible to wash this plate, whose diameter can be, for example, about 20 cm, in the washing machine and dispose of it in the same way as the plastic bag, which is resistant to the washing processes.
- polyethylene can serve as such material.
- the volume-controlled application of pressure to the detergent from above can be done in different ways.
- the cartridge base or the plate is moved downward by a controllable drive and in particular a threaded spindle by a defined stroke corresponding to the desired paste volume to be metered in.
- a lifting cylinder can also be used as the drive.
- the volume taken up by the detergent in the receptacle can be reduced in a defined manner by metering the same volume of a liquid, in particular water, into the space between the plastic bag.
- the plate already mentioned can rest on the paste.
- the cartridge base can also be moved downwards in a corresponding manner.
- the paste has a very high viscosity and a high proportion of non-ionic surfactants
- a water jet is directed onto the paste strand emerging from the receptacle and is thus divided into individual pieces.
- a gel forms on the surface of the paste strand, which prevents the entry of further water and the dissolution of the paste strand.
- the paste is broken down into small, rapidly distributing and dissolving particles by the action of shear forces before the nonionic surfactants swell to form the viscous, gel-like mass.
- the paste emerging at the bottom of the receptacle is mixed with water immediately after the outlet and only then washed into the washing machine together with the water, optionally by means of a feed pump.
- a feed pump is not required if only a single washing machine is to be supplied.
- the paste mixed with water can then flow from a metering device mounted above the washing machine due to gravity via a vertical line into the dispenser or directly into the washing machine. If several washing machines are supplied with the paste via a single metering device, the paste mixed with water can be fed to the respective machine via a feed pump.
- the feed pump below the mixing container can be used as a simple, inexpensive pump, e.g. B. as a small centrifugal pump.
- the invention also relates to a device for dosing thixotropic, highly viscous detergent pastes, which are preferably used in commercial laundries, with a mixing container with a water connection and a line from the mixing container to one or more washing machines.
- the device has a receptacle for the sales container or the part of the sales container filled with the detergent, an opening in the lower region of the receptacle and means for generating a pressure and a defined volume reduction in the upper region of the receptacle.
- the mixing container is located below the opening.
- Opening the sales container is made easier if the opening in the lower region of the receptacle is designed as an upwardly projecting mandrel. To open the sales container, it is sufficient to insert the container into the receptacle.
- the complete emptying of the sales container designed as a sack is facilitated by a fastening device for releasably clamping the edge of the sack at the upper edge of the receptacle.
- the fastening device can be designed as a clamping ring or snap lock for a lid of the receptacle or the like.
- the pressure provided according to the invention for pressing out the paste can be exerted on the paste in different ways.
- a lockable cover of the upwardly open receptacle and a pressure pad attached below the cover and movable by a controllable drive away from the cover by defined strokes are provided for this purpose.
- the drive can be designed as a spindle motor with a threaded spindle attached to the pressure ram or as a lifting cylinder.
- the pressure on the paste is applied by supplying a liquid to the upper region of the receptacle.
- the device has a connection to a pressure pump for liquid in the upper region of the receptacle, the pressure pump having a volume control.
- the pressure pump is designed as a gear pump made of plastic. Pumps of this type are manufactured in motor vehicle technology as delivery pumps for windshield washer water in large numbers and inexpensively. If a certain volume of paste is to be metered in, the pump presses the same volume of liquid, for example water, into the upper region of the receptacle. An exact, simple and inexpensive dosage is possible in this way.
- the invention also relates to a sales container for a thixotropic, high-viscosity detergent paste, which is preferably intended for use in commercial laundries.
- the sales container is particularly adapted to the metering device according to the invention and the method according to the invention.
- the container has a container, preferably made of cardboard, with an internal sack, in particular a stand-up pouch, which consists of a material which is resistant under the conditions of normal commercial washing processes.
- the stand-up pouch has the advantage that a linear rer relationship between the amount of paste in the bag and the volume, so that volume metering is possible via a stroke control.
- the cardboard container can be added to the waste paper.
- the sack can, if appropriate after being cut into smaller pieces, be washed in the washing machine in order to remove the paste residues from the sack and to recycle them.
- the sack or the sack parts cleaned in this way can be used as a sack or as a raw material.
- the sales container has a plate that can be placed on the paste filled in the sack and has a size corresponding to the inner cross section of the container .
- the plate also preferably also consists of a material which is resistant under the conditions of conventional commercial washing processes and can thus be cleaned of paste residues by washing in the washing machine.
- a polyethylene plate can be provided as the plate, which if necessary has struts for stiffening.
- FIG. 1 shows a schematic illustration of a first exemplary embodiment of the invention
- Figure 2 shows a second embodiment of the invention, also in a schematic representation
- Figure 3 shows a variant of the exemplary embodiments according to the invention.
- the device mounted above a washing machine according to FIG. 1 essentially consists of a receptacle 1 and a washing-in funnel 2 arranged directly below it.
- the paste mixed with water can be removed from the washing-in funnel via a line leading down to the washing machine.
- device can be flushed in without an additional pump.
- the device also contains electrical and electronic parts, not shown.
- the base plate 3 attached above the induction funnel 2 carries a cylindrical receptacle 1, which can be closed with a pivotable cover 4.
- the electric motor 7 is controlled electronically and can adjust the plate 5 downward by defined paths in the direction of the opening 8 of the receptacle 1.
- the device also includes one or more standing cylinders 9 with a lower opening into which a stand-up pouch 10 filled with paste can be inserted.
- the opening 8 is designed as an upward-pointing mandrel.
- a nozzle 11 connected to a water connection is directed towards the paste strand emerging from the opening 8 during operation.
- the outlet 12 of the induction hopper 2 leads to the washing machine or, in the case of supplying several washing machines, to a simple feed pump.
- a cartridge filled with the paste can also be inserted into the receiving container 1.
- the method according to the invention is carried out with the device according to FIG. 1 by inserting the stand-up pouch 10 filled with the detergent paste into the stand cylinder 9.
- the standing cylinder 9 is placed in the receptacle.
- the thorn-shaped opening 8 drills into the bottom of the stand-up pouch 10 and opens it.
- the plate 5 moves downwards until it rests on the top of the stand-up pouch 10.
- the desired volume of detergent paste is pressed out through the opening 8 in that the plate 5 is pressed downward by a corresponding path via the threaded spindle 6.
- the paste strand emerging from the opening 8 is cut into small pieces by the water jet from the nozzle 11 and dissolved.
- the thus produced stock liquor flows through the outlet 12 into the washing machine below the appliance.
- the standing cylinder 9 can be removed from the holding container 1 and another standing cylinder with the desired paste can be inserted.
- Such a change of containers is possible without problems even with stand-up pouches that have not yet been completely emptied, since the highly viscous paste does not flow out through the opening on the underside.
- FIG. 2 shows a second embodiment.
- the plate 5 is moved by means of a lifting cylinder 13, the piston 14 of which is connected to the plate 5. Water is pressed into the upper cylinder space via a simple pressure pump 15, a gear pump, in order to move the plate 5 downward onto the opening 8.
- This exemplary embodiment is intended for dosing detergent pastes with a composition which does not cause any problems due to their viscosity and a gel which occurs on the surface of the paste strand. It is therefore not necessary to direct the outlet direction of the nozzle 11 directly onto the paste strand pressed out of the opening 8.
- the device is designed to supply several washing machines.
- the discharge funnel 12 is therefore connected to a feed pump 16 which directs the mixture of paste and water to the individual washing machines via valves (not shown).
- Figure 3 shows a further embodiment.
- a standing cylinder 9 is not shown here for the sake of clarity, but can also be used in this example without any problems.
- Figure 3 shows the device during a dosing process.
- the induction funnel provided below the base plate 3 can be designed as in FIGS. 1 and 2 and is also not shown here.
- a stand-up pouch 10 filled with the detergent paste 17 lies in the receptacle 1 and carries a polyethylene plate 18 on its upper side.
- the upper edge of the stand-up pouch 10 is placed around the edge of the receptacle 1 and is there by the cover 4 and a clamping ring 19 in it Position clamped. Instead of the clamping ring, a snap lock can also be provided.
- a liquid metering pump 20 is connected to the space formed between the cover 4 and the plate 18.
- the metering pump 20 conveys the corresponding volume of water into the space between the lid 4 and the plate 18 and in this way presses a paste strand 21 through the opening 8.
- the stand-up pouch 10 can be washed out and cleaned together with the plate 18 in a washing machine during a normal washing process.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59508872T DE59508872D1 (en) | 1994-08-26 | 1995-08-17 | METHOD AND DEVICE FOR DOSING A PASTE-LIKE DETERGENT AND THE RELEVANT SALES CONTAINER |
EP95930479A EP0777777B1 (en) | 1994-08-26 | 1995-08-17 | Process and apparatus for dosing a paste-like washing agent and corresponding sales package |
FI970787A FI970787A (en) | 1994-08-26 | 1997-02-25 | Method and apparatus for dispensing pasty detergent and corresponding sales package |
GR20000402822T GR3035137T3 (en) | 1994-08-26 | 2000-12-21 | Process and apparatus for dosing a paste-like washing agent and corresponding sales package |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4430418.8 | 1994-08-26 | ||
DE4430418A DE4430418C1 (en) | 1994-08-26 | 1994-08-26 | Method and device for dosing a paste-like detergent and corresponding sales container |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996006969A1 true WO1996006969A1 (en) | 1996-03-07 |
Family
ID=6526688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/003266 WO1996006969A1 (en) | 1994-08-26 | 1995-08-17 | Process and apparatus for dosing a paste-like washing agent and corresponding sales package |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0777777B1 (en) |
DE (2) | DE4430418C1 (en) |
FI (1) | FI970787A (en) |
GR (1) | GR3035137T3 (en) |
WO (1) | WO1996006969A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19535082A1 (en) | 1995-09-21 | 1997-03-27 | Henkel Ecolab Gmbh & Co Ohg | Paste-like detergent and cleaning agent |
DE19617471C2 (en) * | 1996-05-02 | 1998-07-16 | Henkel Kgaa | Device for dosing liquid to pasty detergents in a household washing machine |
DE19636035A1 (en) | 1996-09-05 | 1998-03-12 | Henkel Ecolab Gmbh & Co Ohg | Paste-like detergent and cleaning agent |
DE19641746C2 (en) * | 1996-10-10 | 1999-04-01 | Henkel Ecolab Gmbh & Co Ohg | Paste dispenser |
DE19641750A1 (en) * | 1996-10-10 | 1998-04-23 | Henkel Ecolab Gmbh & Co Ohg | Pot with flexible storage container and follower plate |
EP1531177A1 (en) * | 2003-11-12 | 2005-05-18 | Karl Zirkel | Packaging unit for paste containing water-soluble materials, device for processing such a packaging unit and process for washing clothes |
KR100693578B1 (en) | 2003-11-27 | 2007-03-14 | 엘지전자 주식회사 | The ice maker for refrigerator |
KR20060124982A (en) * | 2005-06-01 | 2006-12-06 | 엘지전자 주식회사 | Detergent-inputting structure of washing machine |
DE102011014893A1 (en) * | 2011-03-23 | 2012-09-27 | i-clean Technologies GmbH | Device for multiple dosing of cleaners |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698022A (en) * | 1948-12-30 | 1954-12-28 | Gen Aniline & Film Corp | Dispenser for liquid detergents |
WO1982000753A1 (en) | 1980-08-28 | 1982-03-18 | Eknor P | An automatic dispenser for a detergent |
EP0295525A2 (en) * | 1987-06-15 | 1988-12-21 | Henkel Kommanditgesellschaft auf Aktien | Mechanical washing process |
DE3826110A1 (en) | 1988-08-01 | 1990-02-15 | Henkel Kgaa | METHOD FOR DOSING PASTE-SHAPED DETERGENTS |
WO1991007905A1 (en) * | 1989-11-23 | 1991-06-13 | Vulcan Australia Limited | Detergent dispenser in a dishwashing machine |
DE8611862U1 (en) * | 1986-04-30 | 1991-08-08 | Puttfarcken, Ulf, Dipl.-Ing., 2000 Norderstedt | Detergent dosing device for dishwashers |
DE9314591U1 (en) | 1993-09-27 | 1993-11-25 | Henkel-Ecolab GmbH & Co oHG, 40589 Düsseldorf | Paste container with removal device |
DE4414956A1 (en) * | 1993-04-28 | 1994-11-03 | Ecosan Hygiene Gmbh | Recyclable, refillable and nestable reusable container for solid, powdery and/or granulated and/or pasty washing, cleaning, bleaching, disinfecting and/or preserving agents |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4218297A1 (en) * | 1992-04-22 | 1993-10-28 | Dirk A Bruegmann Kunststoffver | Synchronised emptying of two fluid-filled containers - using two pressure-exerting plates to squeeze flat the containers formed by disposable bags |
-
1994
- 1994-08-26 DE DE4430418A patent/DE4430418C1/en not_active Expired - Fee Related
-
1995
- 1995-08-17 WO PCT/EP1995/003266 patent/WO1996006969A1/en active IP Right Grant
- 1995-08-17 DE DE59508872T patent/DE59508872D1/en not_active Expired - Lifetime
- 1995-08-17 EP EP95930479A patent/EP0777777B1/en not_active Expired - Lifetime
-
1997
- 1997-02-25 FI FI970787A patent/FI970787A/en not_active Application Discontinuation
-
2000
- 2000-12-21 GR GR20000402822T patent/GR3035137T3/en not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698022A (en) * | 1948-12-30 | 1954-12-28 | Gen Aniline & Film Corp | Dispenser for liquid detergents |
WO1982000753A1 (en) | 1980-08-28 | 1982-03-18 | Eknor P | An automatic dispenser for a detergent |
DE8611862U1 (en) * | 1986-04-30 | 1991-08-08 | Puttfarcken, Ulf, Dipl.-Ing., 2000 Norderstedt | Detergent dosing device for dishwashers |
EP0295525A2 (en) * | 1987-06-15 | 1988-12-21 | Henkel Kommanditgesellschaft auf Aktien | Mechanical washing process |
DE3719906A1 (en) | 1987-06-15 | 1988-12-29 | Henkel Kgaa | MACHINE WASHING PROCESS |
DE3826110A1 (en) | 1988-08-01 | 1990-02-15 | Henkel Kgaa | METHOD FOR DOSING PASTE-SHAPED DETERGENTS |
WO1991007905A1 (en) * | 1989-11-23 | 1991-06-13 | Vulcan Australia Limited | Detergent dispenser in a dishwashing machine |
DE4414956A1 (en) * | 1993-04-28 | 1994-11-03 | Ecosan Hygiene Gmbh | Recyclable, refillable and nestable reusable container for solid, powdery and/or granulated and/or pasty washing, cleaning, bleaching, disinfecting and/or preserving agents |
DE9314591U1 (en) | 1993-09-27 | 1993-11-25 | Henkel-Ecolab GmbH & Co oHG, 40589 Düsseldorf | Paste container with removal device |
Also Published As
Publication number | Publication date |
---|---|
FI970787A0 (en) | 1997-02-25 |
DE4430418C1 (en) | 1995-10-26 |
GR3035137T3 (en) | 2001-04-30 |
FI970787A (en) | 1997-02-25 |
DE59508872D1 (en) | 2000-12-28 |
EP0777777B1 (en) | 2000-11-22 |
EP0777777A1 (en) | 1997-06-11 |
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