EP1543993B1 - Dispositif pour le nettoyage d'un tableau en tôle d'acier revêtu - Google Patents

Dispositif pour le nettoyage d'un tableau en tôle d'acier revêtu Download PDF

Info

Publication number
EP1543993B1
EP1543993B1 EP04029496A EP04029496A EP1543993B1 EP 1543993 B1 EP1543993 B1 EP 1543993B1 EP 04029496 A EP04029496 A EP 04029496A EP 04029496 A EP04029496 A EP 04029496A EP 1543993 B1 EP1543993 B1 EP 1543993B1
Authority
EP
European Patent Office
Prior art keywords
strip
cleaning
handle
burr
permanent magnets
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.)
Not-in-force
Application number
EP04029496A
Other languages
German (de)
English (en)
Other versions
EP1543993A1 (fr
Inventor
Berthold Löffler
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.)
Diakonie Kork Epilepsiezentrum Korperschaft Des Offentlichen Rechts
Original Assignee
Diakonie Kork Epilepsiezentrum Korperschaft Des Offentlichen Rechts
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 Diakonie Kork Epilepsiezentrum Korperschaft Des Offentlichen Rechts filed Critical Diakonie Kork Epilepsiezentrum Korperschaft Des Offentlichen Rechts
Publication of EP1543993A1 publication Critical patent/EP1543993A1/fr
Application granted granted Critical
Publication of EP1543993B1 publication Critical patent/EP1543993B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • B43L21/04Wiper holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices

Definitions

  • the invention is based on a device for cleaning a sheet of sheet steel according to the preamble of claim 1.
  • Such panels are usually white coated on their surface. Pens are used to write or draw on the board.
  • the labels or drawings can be removed by wiping with a dry cloth over the surface of the board.
  • towels have the disadvantage of low comfort for the user.
  • the device consists of a plastic housing, in which a cleaning cloth is clamped. If soiled, the cloth can be removed and replaced with a new cloth.
  • the device has the disadvantage that the production of the plastic housing is relatively expensive and the device has a relatively high weight. This is due, on the one hand, to the weight of the plastic housing and, on the other hand, to the permanent magnet provided in the housing, which ensures that the device stick to the board even when not in use.
  • the replacement of the cleaning cloth is associated with a great effort, since the housing must be opened and after removing the soiled cloth a clean cloth must be clamped.
  • To open the housing push the two interlocking housing parts apart with the help of a screwdriver or other tool.
  • the cleaning cloth should be pulled with two of its ends through slots provided for this purpose. This requires several work steps and tools to replace the cleaning cloth.
  • the handle portion of the device consists of a block of foamed rigid material.
  • This block is considerably lighter than the plastic parts of the devices known from the prior art. Since the material is rigid and can only be deformed by the action of a larger force, the pressure which is sometimes necessary for cleaning can be transferred from the user's hand to the cleaning strip of the device.
  • To produce the handle part of the block is cut out of a larger part, for example, using a water jet technique.
  • the foamed rigid material which is needed for the production of the handle part, can also be produced inexpensively and is therefore inexpensive to obtain.
  • a Velcro strip for releasably securing the cleaning strip is provided. If the cleaning strip is therefore heavily soiled, it is lifted by the user in the edge region and removed from the Velcro strip. Subsequently, a new cleaning strip is attached by simply placing on the Velcro strips and light pressing on the handle. The replacement of the cleaning strip is thus easy and quick to perform. Additional tools, such as those for opening the plastic housing of the prior art of DE 298 07 569 U1 are known, are not necessary in the device according to the invention. Despite being easily loosened, the cleaning strip hooked to the Velcro strip adheres so well to the grip part that reliable cleaning of the board is guaranteed.
  • the device can be used not only for cleaning a sheet of sheet steel but also for cleaning other smooth surfaces. To remove labels or contaminants from the panel or other surfaces, it is often sufficient to wipe over the surface with the dry cleaning strip. If the impurities do not dissolve, additional liquid cleaning agents can be used. These are applied either to the surface to be cleaned or to the cleaning strip of the device. For faster drying of the wet cleaning strip can be solved by a handle of the device and designed separately.
  • the handle part of the device is flat on the side facing the panel or another surface and has a round shape on the side facing the hand of a user.
  • the flat and flat side, to which the Velcro strip and the cleaning strip are attached, thus ensures that the cleaning strip completely on the zu can rest on the cleaning surface. For an optimal cleaning effect is achieved.
  • the side facing away from the cleaning strip, however, is round or curved and optimally adapts to the hand of the user. The device is thus easy and comfortable in the hand.
  • one or more recesses for one or more permanent magnets are provided in the side facing the velcro and cleaning strip side of the handle part. Since the handle portion, the Velcro strip and the cleaning strip have a very low weight, only a small magnetic force is needed to adhere the device to a sheet of sheet steel. In contrast to the devices known from the prior art, therefore, much smaller permanent magnets can be used. This in turn ensures a total of a low weight of the device according to the invention.
  • the permanent magnets have a cylindrical shape comparable to a small coin or a small button. The diameter can be less than 11.0 mm.
  • the permanent magnets have a substantially smaller expansion compared to the surface with which the device rests on the panel, it may be advantageous to provide not just one, but two small cylindrical permanent magnets spaced apart from each other.
  • the depressions in the grip part are adapted to the shape of the permanent magnets, so that the permanent magnets are enclosed and their surface is flush with the surface of the grip part.
  • the Velcro strips cover the permanent magnets and hold them in the recesses.
  • the Velcro strip is coated on its surface facing the handle part with an adhesive.
  • the Velcro strips on the handle be put on and aligned and pressed.
  • the application of the self-adhesive Velcro strip on the handle is done so in one step and without the use of additional tools.
  • the cleaning strip made of felt.
  • This has the advantage that the color removed by dry wiping is bound. It will not remain on the board or contaminate the user's clothing or hands.
  • cleaning strips made of microfiber, velvet, velor, paper or pulp can be used. Thanks to the Velcro strip, the cleaning strips can be quickly and easily replaced and adapted to the respective application.
  • the Velcro strip has the advantage that adhere to the small hook all sorts of textiles and paper cleaning tissues.
  • the cleaning strip and / or the handle part and / or the Velcro strips are washable in the washing machine.
  • the device can be cleaned completely or only individual parts of the device in the washing machine.
  • Particularly suitable for this purpose is a water temperature of 30 ° C.
  • a handle 1 consists of a block of a foamed, rigid material.
  • the block is solid and rounded at the upper side 2.
  • the downward facing side 3 is flat and level. It faces the surface of the panel when cleaning a sheet steel panel.
  • In recesses 4 of the handle part 1 are permanent magnets 5.
  • On the side 3 of the handle part 1 a Velcro strip 6 is glued. By the Velcro strip 6 also the permanent magnets 5 are held in their recesses 4.
  • Figure 2 shows the handle part with the permanent magnets in a plan view. In this illustration, the circular depressions and the likewise round permanent magnets can be seen.

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Coating With Molten Metal (AREA)

Claims (7)

  1. D'acier revêtu - Dispositif pour le nettoyage d'un tableau en tôle
    doté d'une poignée (1),
    d'une bande de nettoyage (7) détachable attachée à la poignée et
    d'un aimant permanent (5) disposé entre la bande de nettoyage (7) et la poignée (1),
    d'une bande velcro (6) au niveau de la poignée pour fixer la bande de nettoyage détachable (7), la bande de nettoyage (7) adhérant à la surface de la bande velcro (6) dotée de petits crochets,
    caractérisé par le fait que,
    la poignée (1) se compose d'un bloc de matériau expansé et rigide, et
    qu'un ou plusieurs évidement(s) (4) destiné(s) à un ou plusieurs aimant(s) permanent(s) (5) est/sont prévu(s) sur la poignée (1) du côté (3) dirigé vers la bande velcro (6), les aimants permanents (5) se trouvant dans les évidements (4),
    que la bande velcro (6) est collée sur le côté (3),
    que les aimants permanents (5) sont recouverts et maintenus dans les évidements (4) par la bande velcro (6).
  2. Dispositif selon la revendication 1, caractérisé par le fait que le côté (3) de la poignée (1) sur lequel la bande velcro (6) et la bande de nettoyage (7) sont fixées, est plat et que le côté (2) opposé à la bande de nettoyage (7) présente une forme arrondie.
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que l'aimant ou les aimants permanent(s) (5) présente(nt) une forme cylindrique et un diamètre inférieur à 11 mm.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la surface de la bande velcro (6) orientée vers la poignée (1) est recouverte d'une couche de colle.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la bande de nettoyage (7) est faite de feutre.
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la bande de nettoyage (7) est faite de papier ou de cellulose.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la bande de nettoyage (7) et/ou la poignée (1) et/ou la bande velcro (6) sont lavables en machine.
EP04029496A 2003-12-19 2004-12-14 Dispositif pour le nettoyage d'un tableau en tôle d'acier revêtu Not-in-force EP1543993B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10360585A DE10360585A1 (de) 2003-12-19 2003-12-19 Vorrichtung zum Reinigen einer beschichteten Tafel aus Stahlblech
DE10360585 2003-12-19

Publications (2)

Publication Number Publication Date
EP1543993A1 EP1543993A1 (fr) 2005-06-22
EP1543993B1 true EP1543993B1 (fr) 2008-01-23

Family

ID=34485573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04029496A Not-in-force EP1543993B1 (fr) 2003-12-19 2004-12-14 Dispositif pour le nettoyage d'un tableau en tôle d'acier revêtu

Country Status (3)

Country Link
EP (1) EP1543993B1 (fr)
AT (1) ATE384625T1 (fr)
DE (2) DE10360585A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104527278A (zh) * 2014-12-15 2015-04-22 广西大学 环保黑板擦
WO2018039177A1 (fr) * 2016-08-23 2018-03-01 Amazing Magnets, LLC Ensemble effaceur
CN106427321A (zh) * 2016-11-11 2017-02-22 深圳惠显科教设备有限公司 一种磁性保湿缓渗板擦
CN107512124A (zh) * 2017-09-07 2017-12-26 阜阳师范学院 一次性擦布黑板擦
US11345182B2 (en) 2018-07-17 2022-05-31 Amazing Magnet, LLC Eraser assembly and eraser inserts
US11731449B2 (en) 2019-06-05 2023-08-22 Amazing Magnets, LLC System for coupling magnets to articles

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1543656A (fr) * 1967-04-26 1968-10-25 Noel éponge
US3444579A (en) * 1967-05-17 1969-05-20 Conwed Corp Reversible,disposable chalkboard eraser pad and holder therefor
US3864778A (en) * 1972-08-18 1975-02-11 Frank E Vopat Chalk eraser made from closed cell foam plastic
FR2480680A1 (fr) * 1980-04-21 1981-10-23 Levy Daniel Bloc effaceur a pression magnetique, faisant porte-marqueur
DE8521403U1 (de) * 1985-07-25 1985-09-05 Jöst, Peter, 6941 Abtsteinach Scheuerschwamm
US4937910A (en) * 1988-11-30 1990-07-03 Frazier Thomas G White board eraser
DK17692D0 (da) * 1992-02-13 1992-02-13 Joergen Thuesen Tavlevisker
DE29807569U1 (de) * 1998-04-25 1999-09-02 Hebel Gmbh & Co W Vorrichtung zum Löschen von auf einer Tafel aufgebrachten Informationen
DE29915085U1 (de) * 1999-08-20 1999-12-09 Jungnickel Bernd Handwischer
US20020104180A1 (en) * 2001-02-02 2002-08-08 Ming-Tsung Huang White board wiper

Also Published As

Publication number Publication date
DE502004006031D1 (de) 2008-03-13
EP1543993A1 (fr) 2005-06-22
DE10360585A1 (de) 2005-07-14
ATE384625T1 (de) 2008-02-15

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