EP3650599A1 - Procédé de repassage de linge - Google Patents

Procédé de repassage de linge Download PDF

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Publication number
EP3650599A1
EP3650599A1 EP19207746.9A EP19207746A EP3650599A1 EP 3650599 A1 EP3650599 A1 EP 3650599A1 EP 19207746 A EP19207746 A EP 19207746A EP 3650599 A1 EP3650599 A1 EP 3650599A1
Authority
EP
European Patent Office
Prior art keywords
ironing
items
laundry
temperature
ironer
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
EP19207746.9A
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German (de)
English (en)
Other versions
EP3650599B1 (fr
Inventor
Engelbert Heinz
Wilhelm Bringewatt
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
Application filed by Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co
Publication of EP3650599A1 publication Critical patent/EP3650599A1/fr
Application granted granted Critical
Publication of EP3650599B1 publication Critical patent/EP3650599B1/fr
Active 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
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
    • D06F67/02—Rollers; Heating arrangements therefor
    • 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
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
    • D06F67/08—Beds; Heating arrangements therefor

Definitions

  • the invention relates to a method for ironing laundry items according to the preamble of claim 1.
  • ironing is often done with several consecutive ironers.
  • the ironers are preferably connected or linked by so-called bridges, so that the items of laundry pass through the successive ironers one after the other.
  • the ironing can also be done with a ironer that has several successive ironer rollers. These are so-called multi-roller ironers.
  • ironers or multi-well ironers are used to increase the ironer performance, because this lengthens the flat path of the laundry items. As a result, more energy, namely thermal energy, can be added to the laundry items during mangling, thereby increasing the speed of the mangle. It can also provide ironers with a relatively long flat path by a single ironer roller having a relatively large diameter, which can be larger than 2 m.
  • the flattened surfaces are heated to a greater or lesser extent depending on the type of item of laundry, in particular their type of fabric (synthetic and / or natural fibers), their fabric thickness and / or the number of layers.
  • Delicate laundry items which are primarily lighter, thin, single-layer items, are ironed at a lower ironing temperature so that they do not scorch when ironing.
  • insensitive items of laundry that is, heavier items of laundry which have thick fabric and / or have two layers, can be ironed with higher ironing temperatures.
  • the deficiency temperatures of insensitive and sensitive items of laundry have so far been in the range from 175 ° C to 195 ° C.
  • the ironing of the laundry items with the maximum ironing temperature for the respective laundry item type requires prior sorting of the laundry items into sensitive and insensitive laundry items or also those that have a medium sensitivity. This requires an additional sorting step and a suitable sorting system. For cost reasons, efforts are made to avoid such sorting, so that sensitive, medium-sensitive and insensitive items of laundry are then mangled. Depending on the temperature of the ironer, this can mean that items of laundry made from a thick fabric and / or double-layered items, i.e. insensitive items, are not adequately dried during ironing and / or sensitive, i.e. thin, single-layer items, are overheated, which in extreme cases can lead to overheating Scorching the delicate laundry items can result.
  • the invention has for its object to provide a method for ironing laundry items, which allows an unsorted laundry items to be ironed without the risk of overheating sensitive laundry items and inadequate final drying of insensitive laundry items.
  • a method for solving this problem has the measures of claim 1. Accordingly, it is provided to heat the respective ironing or ironers in such a way that their ironing surface or ironing surfaces have a temperature which corresponds to the maximum permissible ironing temperature of the most sensitive laundry items to be ironed.
  • the most sensitive items of laundry are primarily single-layer items and items with a thin fabric, for example sheets or tablecloths. By mangling with a mangling temperature that of the most sensitive Corresponding items of laundry are avoided that they are not overheated over the mangling process, especially in front of the outlet area of the mangle of the last mangle.
  • the method according to the invention makes it possible to lack unsorted laundry, both sensitive items of laundry containing less residual moisture and less sensitive items of laundry containing more residual moisture, in any order, without causing damage to more sensitive items of laundry and less sensitive items of laundry not being sufficiently dried.
  • the maximum permissible mangle temperature is such a mangle temperature that results in items of laundry not being heated above a maximum permissible temperature at the end of the mangling process, that is to say in the outlet area of the only mangle or the last mangle.
  • This maximum permissible ironing temperature therefore corresponds to the temperature to which the items of laundry to be ironed are heated to the maximum.
  • the items of laundry to be lacked reach this maximum temperature at the end of the flat path.
  • the method is preferably further developed in such a way that the ironer or ironer together have a preferably extended flattening surface which is sufficient to also wash less sensitive laundry items and / or thicker laundry items, in which even more moisture is bound and / or laundry items which allow a higher ironing temperature and smooth enough. Then both less sensitive (less bound moisture-containing) laundry items and less sensitive (more moisture-containing) laundry items can also be added to delicate items Items of laundry adapted to the ironing temperature and / or reduced ironing temperature in the case of ironers are also sufficiently dried.
  • the ironer or ironers are operated with an unchanged ironing speed when ironing damp (less sensitive) laundry items on the one hand and ironing less moist (more sensitive) laundry items on the other hand.
  • different items of laundry can be mangled one after the other without having to change and adapt the speed of the mangle.
  • the speed of defects is always kept constant. It is therefore also not necessary to know the type of item of laundry arriving into the item or the first item and then to individually set the rate and / or temperature of the item required for the item in question.
  • the slowdown in the speed of ironing has the advantage that a longer walk away is not necessary. As a result of the reduction in the speed of the ironer and the reduced ironer temperature, no longer straddle paths are required, so that the method according to the invention could be carried out with unchanged ironers.
  • sensitive (moist) laundry items are only heated to a temperature below the permissible maximum ironing temperature up to the outlet area. So that such damp laundry items are nevertheless sufficiently dried, the flat path is due to the lack or the shortages longer than it would be necessary to iron damp laundry items with the maximum permissible temperature.
  • Less sensitive items of laundry, from which more moisture has to be extracted during ironing are ironed over a longer flat path so that they have a maximum permissible or desired residual moisture when leaving the ironer or ironer.
  • the lower ironing temperature is compensated for by a longer flat path.
  • the above-mentioned compensation for the reduced ironing temperature can also be brought about by an appropriately reduced ironing speed.
  • the laundry items are ironed with at least one defect at such a reduced defect temperature which is between 130 ° C. and 170 ° C., in particular between 140 ° C. and 160 ° C. It is preferably provided that the ironing temperature of all successive ironers is in the range from 130 ° C. to 170 ° C., in particular 104 ° C. to 160 ° C.
  • the ironing temperature of all successive ironers is approximately the same. Due to the reduced ironing temperature in the specified range, which is below normal ironing temperatures in the range from 175 ° C to 195 ° C, the method according to the invention also ensures gentle drying of more sensitive (thinner and / or less moist) items of laundry. In the case of several consecutive defects with a defect temperature of all defects in the reduced or reduced temperature range or even the same defect temperatures of all defects, this simplifies the operation and control of the defects.
  • a further possible embodiment of the method provides that the defect temperatures of some or all of the successive defects are different, preferably decreasing from the first to the last defect when viewed in the direction of the defect.
  • the different ironing temperatures of all ironers are in the range from 130 ° C to 170 ° C, especially 140 ° C to 160 ° C. This procedure leads to a relatively rapid warming-up of the items of laundry to be ironed at the beginning of a ironing line from several successive ironers.
  • the decreasing temperature gradient of the ironer temperature in the direction of the ironer is selected so that the higher temperature of the ironer does not overheat even delicate laundry items.
  • consecutive defects of the same type preferably consecutive defects of the same size and size, are used. This reduces the variety of types of ironers for carrying out the method according to the invention.
  • the mangles can also be formed from a successive sequence of trough mangles and band mangles in any order.
  • the use of both flatwork ironers and flat ironers can be advantageous if a certain finish of the laundry items, in particular a double-sided finish thereof, is desired.
  • the mangles shown in the figures are used for mangling laundry items, not shown.
  • the items of laundry are preferably so-called flat linen, that is to say tablecloths, serviettes, bed covers, bed sheets or the like.
  • the laundry items, which still have residual moisture, are ironed from the ironers and are finally dried to a specific, predetermined residual moisture.
  • the Fig. 1 shows a single defect, which is designed as a band defect 10.
  • Such lack of tapes 10 are also referred to in technical jargon as lack of tape circulation.
  • the band ironer 10 has a stationary and stationary cylindrical ironer body 11 and a ironer belt 13 largely surrounding the cylindrical outer surface 12 thereof.
  • the ironer body 11 can also have a different, preferably non-circular, cross section, so does not need according to the embodiment of FIG Fig. 1 to be cylindrical. It is also conceivable to drive the cylindrical ironer 11 in a rotating manner.
  • the ironer 11 of the band ironer 10 is heated from the inside. This heating can be done with steam, thermal oil, flames from a burner, but also electrically or with infrared radiation. As a result of the heating, the large lateral surface 12 of the ironing body 11 forms a continuous plate surface 14 in the area wrapped by the ironing belt 13. The items of laundry to be ironed lie against this heated ironing surface 14 and are transported along the ironing surface 14 in the direction of ironing 15 at the surface speed of the ironing belt 13. The area of the lateral surface 12 of the mangle body 11, which is wrapped in the mangle band 13, forms the flattening path 16 along the flattened surface 14 in the mangle direction 15.
  • the endless ironer belt 13 is driven continuously in a revolving manner, so that it runs along a large part of the outer circumference of the jacket surface 12, heated from the inside, of the ironer body 11 in the ironer direction 15 along the plate path 16.
  • the mangle band 13 is brought up to the lateral surface 12 of the mangle body 11 on an inlet side 17 and derived from the mantle surface 12 of the mangle body 11 on an outlet side 18.
  • the inlet side 17 and the outlet side 18 are each assigned parallel to each other and also parallel to a longitudinal central axis 19 of the iron body 11 deflection drum 20, 21.
  • the mangle belt 13 deflected from the mangle body 11 by the deflection drum 21 assigned to the outlet side 18 is deflected as a return strand by further deflection drums 22 to the deflection drum 20 assigned to the inlet side 17.
  • At least one of the deflecting drums 20 to 22 can be driven in rotation to drive the lack belt 13 in rotation and displaceable transversely to the axis of rotation for tensioning the lack belt 13.
  • the laundry items are the inlet side 17 of the lack of tapes 10 by one in the Fig. 1 Deficiency input machine, not shown, or possibly also feedable in another way. From the outlet side 18, the mangled and finally dried laundry items are optionally one in the Fig. 1 Folding machine not shown fed.
  • the ironing gap (not shown) for the laundry items to pass through the ironer ironer 10 is between the part of the jacket surface 12 of the ironer body 11 which is wrapped by the ironer ironer 13 and that between the guide drums 20 and 21 formed around the mangle body 11 section or run of the mangle band 13.
  • the Fig. 2 shows two consecutive defects, namely trough defects 23.
  • the trough defects 23 are constructed identically, so that the same reference numbers are used for both. However, different trough defects 23 can also follow one another.
  • Each of the trough ironers 23 has a stationary, stationary ironer trough 24 and a cylindrical ironer roller 25 which can be driven in rotation.
  • the approximately semi-circular and preferably flexible ironer trough 24 surrounds at least a lower half of the respective ironer roller 25.
  • the preferably double-walled trough 24 can be heated by having at least one flow channel for a heat transfer medium such as steam or thermal oil on the inside or outside.
  • the ironer 24 can also be heated electrically or with infrared rays. Then it does not need to have any internal flow channels and also does not have to be double-walled.
  • a semicircular inside of the trough 24 forms a flattened surface 27 for each trough 23.
  • each trough mangle 23 can be driven to rotate about a horizontal longitudinal central axis 26 running transverse to the mangle direction 15.
  • each trough mangle 23 forms a semicircular flattening path 16.
  • the Fig. 2 shown defect over an entire flat path 16, which corresponds to twice the flat path 16 of each trough defect 23.
  • the ironer bridge 28 can optionally also be heated.
  • the laundry items pass from the first trough ironer 23 to the subsequent second trough ironer 23.
  • the first trough mangles 24 seen in the direction of the mangle 15 have an inlet side 29 at the beginning of the mangle trough 24 assigned to them.
  • the respective item of laundry After running along the semicircular plate path 16 of the first trough ironer 23, the respective item of laundry reaches the inlet side 31 of the subsequent second trough ironer 23 via the outlet side 30 of the first trough ironer 23 and the adjoining ironer bridge 28.
  • the respective item of laundry then becomes the semi-circular plate path 16 of the second Trough ironer 23 moved along and mangled and finally dried.
  • the finished ironed and finally dried item of laundry leaves the second trough ironer 23 via an outlet side 32.
  • the infeed side 29 is fed one item of laundry or, in the case of a multiple-line mode of operation, several items of laundry lying next to one another, preferably via an input machine.
  • the mangled and finally dried laundry items are further processed on the outlet side 323 of the last trough mangle 23, preferably fed to a subsequent folding machine.
  • the Fig. 3 shows a defect, in particular a lack street, which is formed from three consecutive individual defects.
  • a band mangle 10 follows a first trough mangle 23 and then a second trough mangle 23.
  • the trough mangles 23 are in the exemplary embodiment shown (as in FIG Fig. 2 ) trained equally.
  • the lack of tapes 10 corresponds to that of Fig. 1 , which is why the reference numbers of the Fig. 1 be used.
  • first trough mangle 23 At the beginning of the mangle line there is a first trough mangle 23. This is followed by the band mangle 10.
  • the second mangle mangle 23 follows the band mangle 10.
  • the three consecutive ironers are linked by a connection conveyor 34 between the first trough ironer 23 and the belt ironer 10 and a further connection conveyor 35 between the belt ironer 10 and the second ironer ironer 23.
  • the entire flat path of the laundry item is formed by the three consecutive ironing from the sum of the flat path 33 of the first trough ironer 23, the flattening path 16 of the belt ironer 10 and finally it is flat path 33 of the second trough ironer 23.
  • the respective laundry item is first on the ironing surface 27 of the moved along the first trough mangle 23, then on the flat surface 14 the band mangle 10 and finally the second trough mangle 23 on the flat surface 27.
  • the method according to the invention is not only suitable for the three, for example in FIGS 1 to 3 shown different defects.
  • a single trough shortage 23 can be used instead of a single shortage of tapes 10. It is also possible to carry out the method with more than two successive trough defects 23, the trough defects not - as in the exemplary embodiment in FIG Fig. 2 - have to be the same.
  • the trough defects 23 can also be designed differently. It is also conceivable to provide a plurality of consecutive band ironers 10 instead of a single belt ironer 10.
  • the method according to the invention is not limited to that in FIG Fig. 3 shown only medium band ironer 10 and two trough ironers 23 limited.
  • several band ironers 10 and trough ironers 23 can be used. It is also conceivable to use several band ironers 10 and only one trough ironer 23.
  • the method according to the invention makes it possible to iron laundry items of different types unsorted, that is, in any order.
  • the laundry items are sensitive items and less sensitive items up to insensitive items.
  • Sensitive items of laundry are those which have a thin fabric and / or have one layer. Such laundry items have a comparatively low residual moisture at the beginning of the deficiency process and are therefore also lighter than the less sensitive and, above all, the insensitive laundry items.
  • Insensitive laundry items are those made from a thicker fabric and, above all, multi-layer items. These contain more residual moisture than laundry items made from thin, single-layer fabrics and are therefore heavier.
  • Less sensitive items of laundry are, for example, items that are single-ply but consist of a thicker fabric that has a greater volume of moisture before ironing than slightly sensitive items of laundry.
  • the method according to the invention now provides that all laundry items are ironed at an ironing temperature which is selected such that delicate or lighter laundry items are not overheated or even scorched.
  • This ironing temperature is preferably lower and / or reduced compared to the higher ironing temperature, with which heavier, less sensitive items of laundry could be ironed.
  • the lower ironing temperature preferably corresponds to the maximum permissible ironing temperature for delicate, light laundry items.
  • the flat path can preferably be larger than would be required for delicate items of laundry. Due to this longer flat path, less sensitive and even insensitive items of laundry can be smoothed and, above all, sufficiently dried out despite the reduced ironing temperature. Then sensitive items of laundry have to go through a longer flat path through the ironers than is necessary; However, this does not have a negative effect on the delicate items of laundry due to the reduction in the ironing temperature.
  • the ironing speed can also be reduced so that insensitive and less sensitive items of laundry which have to be ironed for longer due to the reduced ironing temperature are sufficiently dried after ironing.
  • the method according to the invention is preferably based on the idea of ironing laundry items of various types, that is to say unsorted, one after the other by reducing the ironing temperature compared to conventional ironing temperatures; but the plate path is extended and / or the speed of shortage is reduced.
  • the reduced deficiency temperature is such a temperature that is sensitive Items of laundry are not affected, even if the shortage of these sensitive items of laundry is longer than necessary due to the lack.
  • the reduced ironing temperature for sensitive items of laundry is preferably compensated or compensated for by a longer flat path and / or a reduced ironing speed. This compensation takes place in such a way that even less sensitive (heavier) items of laundry are adequately dried during ironing.
  • the process according to the invention works with a reduced ironing temperature which is in the range between 130 ° C and 170 ° C, preferably 140 ° C to 160 ° C. With this reduced ironing temperature, all laundry items, namely sensitive, less sensitive and insensitive laundry items, are ironed equally. In the case of a defect with two successive trough defects 23 according to the Fig. 2 then have the flat surfaces 27 of the two troughs 24 equally at a temperature between 130 ° C and 170 ° C, in particular 140 ° C to 160 ° C.
  • the mangle trough 24 of the rear trough mangle 23 is heated to a lesser extent, so that its flat surface 27 has a temperature that is, for example, 10 ° C. to 20 ° C. lower than the flat surface 27 of the first hollow mangle 23.
  • ironing with one or more ironing rollers 25 or ironing bodies 11 can be ironed even with unsorted laundry items, i.e. an arbitrarily changing order of sensitive, less sensitive and insensitive laundry items, with a constant, but reduced, ironing temperature. So that laundry items that are less sensitive, heavier and also contain more moisture can be ironed sufficiently at a constant ironing speed, but at a reduced ironing temperature, in particular until the required maximum final moisture content is reached or preferably fallen below, they are ironed over a longer path 16 and / or 33.
  • This entire flat path in particular the flat paths of all consecutive ironing, is larger than it is when the ironing temperature is not reduced, and is all the greater that the reduced ironing temperature is compensated for or compensated for, so that even less sensitive items of laundry, despite the low ironing temperature, compensate for the ironing or the last one Leave the defect in a sufficiently dry state.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP19207746.9A 2018-11-09 2019-11-07 Procédé de repassage de linge Active EP3650599B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018008814.7A DE102018008814A1 (de) 2018-11-09 2018-11-09 Verfahren zum Mangeln von Wäschestücken

Publications (2)

Publication Number Publication Date
EP3650599A1 true EP3650599A1 (fr) 2020-05-13
EP3650599B1 EP3650599B1 (fr) 2022-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19207746.9A Active EP3650599B1 (fr) 2018-11-09 2019-11-07 Procédé de repassage de linge

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EP (1) EP3650599B1 (fr)
DE (1) DE102018008814A1 (fr)
DK (1) DK3650599T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021123983A1 (de) * 2021-09-16 2023-03-16 Herbert Kannegiesser Gmbh Verfahren zum Mangeln von elektronische Datenträger aufweisenden Wäschestücken

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694309A1 (fr) * 1992-07-31 1994-02-04 Gerbaud Pierre Procédé de séchage et repassage de textiles plats et installation pour sa mise en Óoeuvre.
EP1403417A1 (fr) * 2002-09-26 2004-03-31 Primus N.V. Machine à repasser et procédé
EP2554741A2 (fr) * 2011-08-05 2013-02-06 Laco Machinery NV Cuvette de repassage
EP2998434A1 (fr) * 2014-09-19 2016-03-23 CWS-boco International GmbH Procédé pour commander un processus de traitement pour des produits textiles et appareil de traitement de produits textiles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694309A1 (fr) * 1992-07-31 1994-02-04 Gerbaud Pierre Procédé de séchage et repassage de textiles plats et installation pour sa mise en Óoeuvre.
EP1403417A1 (fr) * 2002-09-26 2004-03-31 Primus N.V. Machine à repasser et procédé
EP2554741A2 (fr) * 2011-08-05 2013-02-06 Laco Machinery NV Cuvette de repassage
EP2998434A1 (fr) * 2014-09-19 2016-03-23 CWS-boco International GmbH Procédé pour commander un processus de traitement pour des produits textiles et appareil de traitement de produits textiles

Also Published As

Publication number Publication date
DE102018008814A1 (de) 2020-05-14
EP3650599B1 (fr) 2022-01-05
DK3650599T3 (da) 2022-03-14

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