EP3575473A1 - Procédé de traitement humide des vêtements regroupés à partir de lots de vêtements - Google Patents

Procédé de traitement humide des vêtements regroupés à partir de lots de vêtements Download PDF

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Publication number
EP3575473A1
EP3575473A1 EP19175143.7A EP19175143A EP3575473A1 EP 3575473 A1 EP3575473 A1 EP 3575473A1 EP 19175143 A EP19175143 A EP 19175143A EP 3575473 A1 EP3575473 A1 EP 3575473A1
Authority
EP
European Patent Office
Prior art keywords
treatment
laundry
drum
washing machine
determined
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
EP19175143.7A
Other languages
German (de)
English (en)
Other versions
EP3575473B1 (fr
Inventor
Engelbert Heinz
Wilhelm Bringewatt
Mathias Wöhler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Herbert Kannegiesser GmbH and Co
Original Assignee
Herbert Kannegiesser GmbH and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co
Publication of EP3575473A1 publication Critical patent/EP3575473A1/fr
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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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • 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
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • D06F31/005—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies consisting of one or more rotating drums through which the laundry passes in a continuous flow
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/16—Washing liquid temperature
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D06F2103/22—Content of detergent or additives
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens

Definitions

  • the invention relates to a method for the wet treatment of laundry items combined into laundry items according to the preamble of claim 1.
  • laundry items For wet treatment of laundry, especially dirty laundry, or laundry items in commercial washing machines selbige are summarized to laundry items. These laundry items are then wet-treated in the washing machine in several steps. Depending on the type of washing machines, the treatment is carried out in several successive treatment zones of a drum which can be driven in rotation, for example in a continuous washing machine, or in a single zone forming chamber or drum of a washer-extracting machine.
  • the laundry items are treated step by step.
  • the laundry items may pass through a pre-wash zone, a final wash zone and optionally a rinse zone.
  • the laundry items also go through an aftertreatment zone.
  • These different zones represent separate treatment areas, even if the whole of the zones is formed by a drum.
  • these are successively added to the prewashing zone or an inlet of the drum and then pass through the individual washing zones until they are removed again from the same at the end of the drum become.
  • the individual treatment steps take place in one and the same zone, without the laundry items having to be converted into other chambers or zones.
  • the temperature of the treatment liquid in which the wet treatment of the laundry items is made namely the temperature of the treatment liquid in which the wet treatment of the laundry items is made, the duration of the individual treatment steps, the movements of the drum or the movement the laundry items in the drum and the concentration of treatment additives in the treatment liquid.
  • these parameters would have to be determined constantly for each batch of laundry during the entire wet treatment.
  • such a determination of the four parameters mentioned during the wet treatment is problematic.
  • the determination of the concentration of a treatment additive in the treatment liquid the so-called titration, takes place only randomly and only sporadically weekly or monthly.
  • the other parameters are also determined, if at all, only sporadically during the wet treatment for the individual laundry items. As a result, only an insufficient and not reproducible treatment result of the laundry items can be achieved. Since the hygiene requirements are particularly high for laundry or laundry items from the clinical area but also for nursing homes, the known quality assurance methods provide an unsatisfactory result.
  • the invention has for its object to provide a method for wet treatment of laundry items combined laundry items, whereby a reliable quality control of the wet treatment is possible.
  • a method for achieving this object comprises the measures of claim 1. Accordingly, it is provided to determine values for the temperature of the treatment liquid, the duration of each treatment step and movements of the drum and to adjust these values in each case with a corresponding predetermined reference value, for each individual treatment step and for each individual batch of laundry. This determination of the values and subsequent comparison with a reference allows the wet treatment of the laundry items to be monitored in a very comprehensive and reliable manner. On the one hand, the washing result is reproducible and on the other hand, a high level of monitoring is possible Achieve quality of treatment. In particular for quality assurance but also for the documentation of the method, such monitoring of the essential washing parameters is advantageous.
  • an advantageous development of the invention is to determine the concentration of at least one treatment additive in the treatment liquid and also to match it with a corresponding reference value. This determination and the data comparison also takes place for each individual laundry item for each treatment step.
  • titration in particular has been an uncertainty factor since the concentration of treatment additives was determined only on a random basis and sporadically.
  • an increased quality of the washing result can be achieved. This is particularly advantageous for items of laundry that have to meet clinical requirements.
  • the results of the comparison of the determined values with the reference values for each batch of laundry and for each treatment step are displayed visually.
  • a display means such as light sources or a screen can be provided directly on the washing machine, on which the determined actual values are compared with the target values numerically or color-coded.
  • This representation can be displayed separately for each treatment step and / or each laundry item.
  • continuous flow washing machines having a plurality of treatment zones for each zone or for each chamber and / or for each laundry item, a separate diagram is shown in which the actual value is represented or adjusted with the desired value or the reference value.
  • This visual presentation allows the treatment result to be captured at a glance.
  • a person operating the washing machine can quickly and reliably see if the actual values match the reference values or not.
  • the method can be granted a high reliability and easy evaluation.
  • a further advantageous embodiment of the present invention may provide that, if the temperature of the treatment liquid and / or the duration of the treatment step and / or the movement sequences of the drum and / or the concentration of the treatment additive coincide with the reference values that batch of laundry for which the match has been determined is released for a next treatment step, and that if any of the corresponding reference value deviates from the corresponding reference, the batch of laundry is not released for the next treatment step. If therefore a match is found for all mentioned parameters, the laundry lot receives a corresponding "mark".
  • This "tag" can be either analog, digital or virtual. In the case of a virtual marking, a corresponding "OK" is assigned to this laundry item in the control device.
  • the control unit connects this "OK" to the laundry item for the remaining wet treatment or for documentation and quality control.
  • a digital marking could be carried out in such a way that corresponding transponders or storage media on the items of laundry or in the laundry items are described with the corresponding "OK signal". If at least one parameter does not match the reference value, the corresponding item of laundry also receives a corresponding marking, which may possibly lead to a repetition of the treatment step or to a removal of the laundry item from the method.
  • the conformity of the reference value with the determined values can take place in a tolerance range. For example, deviations of the determined values of up to 5% or up to 10% of the reference value are conceivable in order to be considered as a match.
  • the result of the adjustment for each individual laundry item is stored for documentation, in particular on a storage medium assigned to the laundry item.
  • This documentation it is also possible to say something about the quality of the treatment after the end of the wet treatment. This information is especially important for quality assurance.
  • the stored data can be used to determine why the desired washing result was not achieved.
  • the parameters can be changed so that the desired agreement of all four parameters with the reference values is achieved.
  • a partial amount of the treatment liquid from the drum preferably from an outer drum, is discharged and a corresponding measurement, in particular a titration, on the treatment liquid is made or the measurement takes place within the drum.
  • a further embodiment may provide that the temperature of the treatment liquid inside or outside the drum for each treatment step and for each batch of laundry is determined by a temperature measuring sensor.
  • the temperature measuring sensors may be, for example, temperature sensors inside the drum or measuring sensors positioned outside the drum and measuring the temperature via infrared sensors.
  • a change in the direction of rotation of the drum or a number of pivoting movements of the drum is measured to determine the movements of the drum.
  • the drums can perform different movements during the treatment.
  • the number of pivoting movements is measured.
  • the number of rotations used to determine the motion sequences is counted.
  • the number of rotations or pivoting movements can be measured in a simple and very reliable manner from the outside. Since the movement of the drum transmits directly to the movement of the laundry, this is a particularly good measure to determine the mechanical load on the laundry.
  • the duration of the treatment step is determined and / or determined by a change in the direction of rotation of the drum or by a specific number of pivoting movements of the drum.
  • a change of a treatment step is usually initiated by a change in the direction of rotation or by a termination of the pivoting movements. Therefore, the mentioned movements are good markers for determining the duration of the treatment step.
  • a further exemplary embodiment may provide that a laundry item is guided through the successive treatment steps until a correspondence with the references is established for all determined values.
  • FIGURE of the drawing shows a schematic side view of a trained as a continuous washing machine commercial washing machine.
  • the method described here for the wet treatment of laundry items combined into laundry items can be carried out in a commercial washing machine.
  • This industrial washing machine may be, for example, a continuous washing machine or a washer-extracting machine.
  • the method according to the invention is explained in more detail below using the example of a continuous washing machine. However, it should be expressly understood that the method is also feasible with other washing machines, such as with a washer-extractor.
  • the figure shows a continuous washing machine 10 and designed as a dewatering press 11 drainage device.
  • the dewatering press 11 is arranged in the direction of passage 12 of the items of laundry through the continuous washing machine 10 behind the continuous washing machine 10.
  • At the location of the dewatering press 11 may also be arranged a laundry centrifuge.
  • the continuous washing machine 11 has an elongated drum 13, in which a plurality of identical or different chambers 14 is provided.
  • a plurality of identical or different chambers 14 In the drum 13 of the continuous washing machine 10 shown, thirteen chambers 12 which follow each other in the direction of passage 12 are provided.
  • the invention is not limited thereto.
  • the invention is also suitable for continuous washing machines 10 with a smaller or larger number of successive chambers 14.
  • the elongate drum 13 is rotatably drivable about a central axis of rotation which lies on a longitudinal central axis 15 of the continuous washing machine 10.
  • This rotating drive can be done in various ways.
  • the drum 13 may be driven in rotation, but also only rocking or pivoting. Then, the drum 13 is not rotationally driven with complete revolutions.
  • a combination of a rotating or pivoting or rocking drive the drum is conceivable.
  • a plurality of successive treatment zones are formed, for example a pre-wash zone seen in the direction of passage 12, a subsequent final wash zone and optionally a rinse zone and / or a post-treatment zone behind it.
  • the first chamber 14 of the prewash zone opens an inlet funnel 16 of the continuous washing machine 10.
  • This first chamber 14 is also the first chamber of the prewashing zone.
  • a discharge chute 17, is seen in the direction of passage 12 behind the last chamber 14 of the continuous washing machine 10 about which wet-treated in the continuous washing machine 10, namely at least washed, but possibly also rinsed and / or post-treated items, in the dewatering press 11 or other drainage device.
  • the dewatering press At least dewatering of the washed laundry takes place in such a way that part of the bound liquor from the continuous washing machine 10 is separated from the laundry.
  • the dewatering press 11 can also additionally serve to rinse the laundry coming from the continuous washing machine 10. Then the continuous washing machine 10 has no rinsing zone.
  • the laundry items are posted by item, d. H. in laundry, washed.
  • item, d. H. in laundry washed.
  • each chamber 14 of the continuous washing machine 10 or possibly only in some chambers 14 are each a laundry item with a larger number of items of laundry.
  • the items of laundry are treated in the continuous washing machine 10 in a bath with treatment liquid, in particular washed or optionally rinsed and / or equipped.
  • At least one treatment additive is added to the items of laundry and the treatment liquid. These may be washing-active substances, disinfectants and / or bleaching agents, but also other washing auxiliaries.
  • At least one treatment additive of the treatment liquid with the laundry located therein is added in the first chamber 14 of the prewashing zone, ie the first chamber 14 of the continuous washing machine 10.
  • At least one other chamber of the continuous washing machine 10 at least one treatment additive may be added.
  • This may, for example, the final wash zone, preferably the first chamber 14 thereof, the rinsing zone, if the continuous washing machine 10 has one, and / or a be in the continuous washing machine 10 existing aftertreatment zone.
  • different treatment additives may be added to the laundry items, for example in the prewashing zone detergent, in another zone neutralizing agent and / or disinfectant and in another turn bleach and / or finishing agent.
  • the continuous washing machine 10 has suitable measuring instruments for measuring the amount, the content and / or the concentration of the at least one treatment additive in the laundry and the treatment liquid.
  • Corresponding transducers are associated with those chamber 14 or those chambers 14 of the continuous washing machine 10, in which the treatment liquid and / or the laundry should be measured in terms of their content or the concentration of at least one treatment additive.
  • the concentration detected by the at least one measuring sensor or the content of the at least one treatment additive in the treatment liquid is transmitted to an evaluation unit, not shown in the figure, which evaluates the measured values obtained or compares them with a reference value. Possibly. If there is a deviation of the measured value from the reference value, a subsequent dosing of the treatment additive can be controlled or regulated.
  • At least one, preferably a plurality of chambers 14 of the different treatment zones are assigned to temperature measuring sensors.
  • the temperature of the treatment liquid is measurable.
  • the determined measured values for the temperature are also transmitted to an evaluation unit or to a control unit where they are compared with a desired value for the temperature.
  • a control or regulation of the temperature can be carried out when the measured value deviates from the reference.
  • the transition of the individual items of laundry from one chamber to the next or from one washing zone to the next as start and the re-emergence from the chamber 14th or zone as stop be used.
  • a direction change in the movement sequence of the drum 13 can be used as a stop or start signal for the time measurement.
  • a number of successive pivoting movements of the drum 13 are also suitable for determining the residence time of individual items in the chambers 14 or washing zones.
  • the determined measured values for the duration of the individual items of laundry in the chambers 14 or the time interval which lasts a treatment step are likewise transmitted to an evaluation unit and compared with corresponding reference values. If the measured value deviates from the reference value, the treatment may be extended or shortened if necessary.
  • the number of pivoting movements of the drum 13 or the completed rotational movements of the drum 13 is measured. These measured values are also forwarded to an evaluation unit or control unit and compared with a reference value.
  • the method according to the invention runs as follows with the continuous-flow washing machine 10 described above:
  • the laundry items combined to form laundry items are washed by the item in the continuous-flow washing machine 10.
  • at least one empty chamber 14 may be provided between laundry items of different types of laundry, individual chambers 14 between successive items of laundry may not be loaded with any laundry items.
  • the laundry items are treated in the chambers 14 at a predetermined temperature with treatment liquid.
  • the heating elements for each chamber are set accordingly.
  • at least in one treatment zone of the continuous washing machine 10 at least one treatment additive is added to the treatment liquid.
  • different treatment additives may be added to the treatment liquid with the laundry therein.
  • the treatment of the laundry items of each item takes place in each chamber or in each zone for a predetermined period. That is, each treatment step is limited in time. For a sufficient treatment result, the drum for the wet treatment is pivoted several times or turned completely. All four parameters, namely the temperature, the duration, the concentration of the treatment additive and the movement of the drum 13 is determined individually for each batch of laundry and for each drum 13.
  • This quartet off Treatment parameters are transmitted to the system controller or an evaluation unit, and compared with the corresponding references. Both the measured values and the reference values are displayed visually. This can be done, for example, on a single display, so that an operator can grasp at a glance which parameters for which item and for which chamber 14 are fulfilled or not fulfilled. However, it is also conceivable that each chamber 14 is associated with a corresponding display for the visual representation of the measured parameters and the corresponding references.
  • the determination of the individual parameters can be carried out cyclically or periodically or continuously during the treatment of the laundry items in a chamber 14. In particular, however, the measurement of the temperature and the concentration of the treatment additive can also take place at the beginning or at the end of a treatment step.
  • the method according to the invention can also be carried out in a washer-extractor not shown here.
  • the washer-extracting machine has a rotatably driven internal drum having a pivotable rotation axis.
  • This inner drum has on a front side only a single substantially full-surface opening.
  • the inner drum is loaded through this opening with both the individual laundry items of a Wäschepostens and unloaded.
  • the washer-extractor has a water-permeable inner drum surrounding, waterproof drum housing, which is fixed relative to the inner drum is.
  • the drum housing is therefore not rotationally driven in contrast to the inner drum.
  • the drum housing has on a front side to a single almost full-surface opening.
  • the opening of the drum housing is located in that end face of the drum housing, which also has the opening of the inner drum, so that the openings are adjacent to each other and thereby correspond with each other.
  • the method described above with reference to the example of the continuous washing machine 10 can be directly transferred to the wet treatment of the laundry items in the inner drum of the washer-extractor.
  • the four aforementioned parameters for wet treatment are determined and compared with the corresponding predetermined reference values. Both the measured values or parameters as well as the corresponding reference values are displayed visually on the washer-extractor, so that an operator can see the status of the treatment at a glance at any time.
  • the individual laundry items are marked exactly as described above, depending on the comparison of the measured values with the reference values.
  • the laundry items go through several consecutive treatment steps. For each of these treatment steps, the comparison of the data is documented or logged and displayed. As a result, the method according to the invention can also be visualized in a washer-extractor and documented for quality control.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP19175143.7A 2018-06-01 2019-05-17 Procédé de traitement humide des vêtements regroupés à partir de lots de vêtements Active EP3575473B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018004346.1A DE102018004346A1 (de) 2018-06-01 2018-06-01 Verfahren zur Nassbehandlung von zu Wäscheposten zusammengefassten Wëschestücken

Publications (2)

Publication Number Publication Date
EP3575473A1 true EP3575473A1 (fr) 2019-12-04
EP3575473B1 EP3575473B1 (fr) 2021-03-10

Family

ID=66589450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19175143.7A Active EP3575473B1 (fr) 2018-06-01 2019-05-17 Procédé de traitement humide des vêtements regroupés à partir de lots de vêtements

Country Status (3)

Country Link
EP (1) EP3575473B1 (fr)
DE (1) DE102018004346A1 (fr)
DK (1) DK3575473T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810935A1 (de) * 1977-03-15 1978-09-21 Hotpoint Ltd Steueranordnung fuer eine waschmaschine
DE2818286A1 (de) * 1977-08-18 1979-10-31 Bauknecht Gmbh G Verfahren und anordnung zur funktionsablaufsueberwachung
DE19529787A1 (de) * 1995-08-12 1997-02-13 Foron Hausgeraete Gmbh Verfahren und Einrichtung zur füllstandsunabhängigen Messung der Oberflächenspannung flüssiger Substanzen
WO2012026821A1 (fr) * 2010-08-27 2012-03-01 Christeyns N.V. Procédé et dispositif de lavage industriel de textiles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5272893A (en) 1992-09-11 1993-12-28 White Consolidated Industries, Inc. Enzyme bath maintenance system
DE19740266A1 (de) 1997-09-15 1999-03-18 Ronald Dr Eberl Verfahren zum Nachweis von Tensiden in wäßrigen Lösungen
DE102007036800A1 (de) 2007-05-29 2008-12-04 Herbert Kannegiesser Gmbh Verfahren zur Nassbehandlung von Wäschestücken

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810935A1 (de) * 1977-03-15 1978-09-21 Hotpoint Ltd Steueranordnung fuer eine waschmaschine
DE2818286A1 (de) * 1977-08-18 1979-10-31 Bauknecht Gmbh G Verfahren und anordnung zur funktionsablaufsueberwachung
DE19529787A1 (de) * 1995-08-12 1997-02-13 Foron Hausgeraete Gmbh Verfahren und Einrichtung zur füllstandsunabhängigen Messung der Oberflächenspannung flüssiger Substanzen
WO2012026821A1 (fr) * 2010-08-27 2012-03-01 Christeyns N.V. Procédé et dispositif de lavage industriel de textiles

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Publication number Publication date
DE102018004346A1 (de) 2019-12-05
EP3575473B1 (fr) 2021-03-10
DK3575473T3 (da) 2021-05-31

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