EP0438673A1 - Iron with a sole plate surface coated with a hard material - Google Patents

Iron with a sole plate surface coated with a hard material Download PDF

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Publication number
EP0438673A1
EP0438673A1 EP90123126A EP90123126A EP0438673A1 EP 0438673 A1 EP0438673 A1 EP 0438673A1 EP 90123126 A EP90123126 A EP 90123126A EP 90123126 A EP90123126 A EP 90123126A EP 0438673 A1 EP0438673 A1 EP 0438673A1
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EP
European Patent Office
Prior art keywords
iron
hard material
plate surface
sole plate
resistant
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.)
Withdrawn
Application number
EP90123126A
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German (de)
French (fr)
Inventor
Engin Dr. Ertürk
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.)
MULTI-ARC GmbH
Multi Arc GmbH
Original Assignee
MULTI-ARC GmbH
Multi Arc GmbH
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 MULTI-ARC GmbH, Multi Arc GmbH filed Critical MULTI-ARC GmbH
Publication of EP0438673A1 publication Critical patent/EP0438673A1/en
Withdrawn legal-status Critical Current

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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
    • D06F75/00—Hand irons
    • D06F75/38—Sole plates

Definitions

  • the present invention relates to an iron with a coating on the sliding surface that reduces friction and / or adhesion to textiles.
  • the object of the present invention is an iron which is provided with a sliding surface which is both corrosion-resistant and smooth enough to be able to be moved over the surface of the customary textiles without major difficulties; this smoothness should not be due to the intended Wear and damage occurring during use can be impaired.
  • the coating of the sliding surface consists of a hard material layer of 5 microns thick.
  • Such thin layers increase the weight of the iron barely noticeably, can be produced with the desired low roughness (R z ⁇ 3 ⁇ m) and are scratch-resistant against all loads to be expected even when used improperly. They are also completely corrosion-resistant themselves; since the base material of the sliding surface is also corrosion-resistant, the fact that hard material layers in this thickness still have pores through which an attack on the base material could otherwise occur is of no importance. Hard material layers are also heat-resistant far beyond the temperatures in question here.
  • the coating is applied in an arc plasma process.
  • Such methods offer an inexpensive way of providing metallic objects of almost any size and shape with a coating which results from the reaction of one or more metallic substances Arc discharge in the plasma state of substances with certain components of a gas mixture present in the coating chamber occurs.
  • the coating consists of titanium nitride TiN.
  • This coating material has been used in a variety of ways to coat (cutting) tools and other objects that are subject to abrasive wear.
  • ironing textiles is not a burden of this type.
  • the titanium nitride also gives the iron a decorative effect due to its coloration, which is hardly distinguishable from gold.
  • An embodiment of the invention is shown in the drawing. It shows an iron, which consists of a body 1, a handle 2 and a sliding surface 3.
  • electrical heating elements which cannot be seen and which can be supplied with current via an electrical line 4; this supply can be regulated via an actuator 5, for. B. to set the appropriate temperature for processing textiles of different compositions.
  • the body 1 further contains a water reservoir, also not shown, the content of which exits in the form of steam through nozzles 6 which are arranged in the sliding surface 3. This itself is covered with a layer 7 of titanium nitride up to 5 ⁇ m thick, which was deposited by means of an arc plasma process. When applying such a thin layer, the nozzles 6 cannot be blocked by the applied coating material, as would be expected when using thicker layers.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
  • Physical Vapour Deposition (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

The sole plate surface (3) of an iron is provided with a layer of a thickness of up to 5 mu m of hard material, preferably titanium nitride, deposited in an arc plasma process. This layer is corrosion-resistant and heat-resistant and smooth enough without finishing to guarantee easy sliding on the textiles. Moreover, it is insensitive to mechanical stresses occurring in use so that it retains its advantageous sliding characteristics permanently. <IMAGE>

Description

Die vorliegende Erfindung betrifft ein Bügeleisen mit einer die Reibung und/oder die Haftung an Textilien herabsetzenden Beschichtung der Gleitfläche.The present invention relates to an iron with a coating on the sliding surface that reduces friction and / or adhesion to textiles.

An Bügeleisen (derzeit ausschließlich mit elektrischer Beheizung) werden eine Reihe von Anforderungen gestellt, die in ihrer Gesamtheit jedoch noch nicht zufriedenstellend erfüllt werden. Zum einen soll ihr Gewicht möglichst gering sein, um einer raschen Ermüdung der sie handhabenden Person vorzubeugen; hierzu bietet sich eine Herstellung aus Leichtmetall an, das auch ausreichend korrosionsfest ist, um dem Angriff des durch in der Gleitfläche angebrachte Düsen auf das Bügelgut gerichteten Dampfes zu widerstehen. Leichtmetall weist jedoch nur eine geringe Härte auf, so daß eine daraus hergestellte Gleitfläche regelmäßig nach einiger Zeit des Gebrauches verkratzt ist. Eine rauhe Oberfläche jedoch neigt dazu, an den bearbeiteten Textilien zu haften und dadurch die Handhabung ebenfalls zu erschweren. Auf die Gleitfläche aufgebrachte Schutzschichten aus einem härteren Metall, z. B. Nickel, weisen im Urzustand gleichfalls eine unerwünschte Rauhigkeit auf und müssen in einem aufwendigen Verfahren poliert werden. An sich sehr glatte und wenig zum Anhaften neigende Schichten aus Polytetraethylenfluorid wiederum sind der Gefahr ausgesetzt, durch zufällige Überhitzung zerstört zu werden.A number of requirements are imposed on irons (currently exclusively with electric heating), but all of them have not yet been satisfactorily met. Firstly, their weight should be as low as possible to prevent rapid fatigue of the person handling them; For this purpose, a production from light metal offers itself, which is also sufficiently corrosion-resistant to withstand the attack of the steam directed at the ironing material by nozzles attached in the sliding surface. However, light metal has only a low hardness, so that a sliding surface made therefrom is regularly scratched after some time of use. A rough surface, however, tends to adhere to the processed textiles and thus also make handling more difficult. Protective layers made of a harder metal, e.g. B. nickel, also have an undesirable roughness in the original state and must be polished in a complex process. Layers of polytetraethylene fluoride, which are very smooth in themselves and have little tendency to stick, are in turn exposed to the risk of being destroyed by accidental overheating.

Aufgabe der vorliegenden Erfindung ist ein Bügeleisen, das mit einer Gleitfläche versehen ist, die sowohl korrosionsfest als auch glatt genug ist, um ohne größere Schwierigkeiten über die Oberfläche der gebräuchlichen Textilien bewegt werden zu können; diese Glätte soll auch nicht durch im bestimmungsgemäßen Gebrauch auftretenden Verschleiß bzw. Beschädigungen beeinträchtigt werden können.The object of the present invention is an iron which is provided with a sliding surface which is both corrosion-resistant and smooth enough to be able to be moved over the surface of the customary textiles without major difficulties; this smoothness should not be due to the intended Wear and damage occurring during use can be impaired.

Die Lösung dieser Aufgabe erfolgt gemäß der Erfindung dadurch, daß die Beschichtung der Gleitfläche aus einer Hartstoffschicht von 5 µm Dicke besteht. Derartig dünne Schichten erhöhen das Gewicht des Bügeleisens kaum merkbar, lassen sich mit der gewünschten geringen Rauhigkeit (Rz < 3 µm) herstellen und sind gegenüber allen selbst bei unsachgemäßem Gebrauch zu erwartenden Belastungen kratzfest. Sie sind selbst auch völlig korrosionsfest; da das Basismaterial der Gleitfläche voraussetzungsgemäß auch korrosionsfest ist, kommt dem Umstand keine Bedeutung zu, daß Hartstoffschichten in dieser Dicke noch Poren aufweisen, durch die sonst ein Angriff auf das Basismaterial erfolgen könnte. Hartstoffschichten sind darüber hinaus bis weit über die hier in Frage kommenden Temperaturen hinaus wärmebeständig.This object is achieved according to the invention in that the coating of the sliding surface consists of a hard material layer of 5 microns thick. Such thin layers increase the weight of the iron barely noticeably, can be produced with the desired low roughness (R z <3 µm) and are scratch-resistant against all loads to be expected even when used improperly. They are also completely corrosion-resistant themselves; since the base material of the sliding surface is also corrosion-resistant, the fact that hard material layers in this thickness still have pores through which an attack on the base material could otherwise occur is of no importance. Hard material layers are also heat-resistant far beyond the temperatures in question here.

In besonderer Ausgestaltung der Erfindung ist die Beschichtung in einem Lichtbogenplasmaverfahren aufgebracht. Derartige Verfahren, wie sie in ihren Grundlagen in der US-A-3 625 848 beschrieben worden sind, bieten eine kostengünstige Möglichkeit, metallische Gegenstände fast beliebiger Größe und Form mit einer Beschichtung zu versehen, die aus der Reaktion eines oder mehrerer metallischer, durch die Lichtbogenentladung in den Plasmazustand überführter Stoffe mit bestimmten Komponenten eines in der Beschichtungskammer vorhandenen Gasgemisches entsteht.In a special embodiment of the invention, the coating is applied in an arc plasma process. Such methods, as have been described in their bases in US-A-3 625 848, offer an inexpensive way of providing metallic objects of almost any size and shape with a coating which results from the reaction of one or more metallic substances Arc discharge in the plasma state of substances with certain components of a gas mixture present in the coating chamber occurs.

In besonderer Ausgestaltung der Erfindung besteht die Beschichtung aus Titannitrid TiN. Dieser Beschichtungswerkstoff ist schon in vielfältiger Weise dazu verwendet worden, (Schneid-)Werkzeuge und andere Gegenstände, die einem abrasiven Verschleiß unterliegen, zu beschichten. Beim Bügeln von Textilien handelt es sich jedoch nicht um Belastungen dieser Art. Als weiterer, mit dem Erfindungsgegenstand erzielter, wenn auch nicht auf technischem Gebiet liegender Vorteil läßt sich anführen, daß das Titannitrid infolge seiner von Gold kaum zu unterscheidenden Färbung dem Bügeleisen auch eine dekorative Wirkung verleiht.In a special embodiment of the invention, the coating consists of titanium nitride TiN. This coating material has been used in a variety of ways to coat (cutting) tools and other objects that are subject to abrasive wear. However, ironing textiles is not a burden of this type. As a further, achieved with the subject of the invention, if there is also an advantage not in the technical field that the titanium nitride also gives the iron a decorative effect due to its coloration, which is hardly distinguishable from gold.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Sie zeigt ein Bügeleisen, das aus einem Korpus 1, einem Handgriff 2 und einer Gleitfläche 3 besteht. Im Inneren des Korpus 1 sind hier nicht sichtbare elektrische Heizelemente angeordnet, die über eine elektrische Leitung 4 mit Strom versorgt werden können; diese Versorgung läßt sich über eine Stelleinrichtung 5 regeln, z. B. um die zur Bearbeitung von Textilien verschiedener Zusammensetzung jeweils geeignete Temperatur einzustellen. Der Korpus 1 enthält weiterhin ein ebenfalls nicht dargestelltes Wasserreservoir, dessen Inhalt in Form von Dampf durch Düsen 6 austritt, die in der Gleitfläche 3 angeordnet sind. Diese selbst ist mit einer bis zu 5 µm dicken Schicht 7 aus Titannitrid überzogen, die mittels eines Lichtbogenplasmaverfahrens abgeschieden wurde. Beim Auftragen einer so dünnen Schicht können auch nicht, wie bei Verwendung dickerer Schichten zu erwarten, die Düsen 6 durch das aufgetragene Beschichtungsmaterial verstopft werden.An embodiment of the invention is shown in the drawing. It shows an iron, which consists of a body 1, a handle 2 and a sliding surface 3. In the interior of the body 1 there are arranged electrical heating elements which cannot be seen and which can be supplied with current via an electrical line 4; this supply can be regulated via an actuator 5, for. B. to set the appropriate temperature for processing textiles of different compositions. The body 1 further contains a water reservoir, also not shown, the content of which exits in the form of steam through nozzles 6 which are arranged in the sliding surface 3. This itself is covered with a layer 7 of titanium nitride up to 5 μm thick, which was deposited by means of an arc plasma process. When applying such a thin layer, the nozzles 6 cannot be blocked by the applied coating material, as would be expected when using thicker layers.

Claims (3)

Bügeleisen mit einer die Reibung und/oder die Haftung an Textilien herabsetzenden Beschichtung (7) der Gleitfläche (3), dadurch gekennzeichnet, daß die Beschichtung (7) aus einer Hartstoffschicht von bis zu 5 µm Dicke besteht.Iron with a coating (7) of the sliding surface (3) which reduces the friction and / or the adhesion to textiles, characterized in that the coating (7) consists of a hard material layer of up to 5 µm thick. Bügeleisen nach Anspruch 1, dadurch gekennzeichnet, daß die Beschichtung (7) in einem Lichtbogenplasmaverfahren aufgebracht ist.Iron according to claim 1, characterized in that the coating (7) is applied in an arc plasma process. Bügeleisen nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Beschichtung (7) aus Titannitrid besteht.Iron according to claim 1 or 2, characterized in that the coating (7) consists of titanium nitride.
EP90123126A 1990-01-25 1990-12-03 Iron with a sole plate surface coated with a hard material Withdrawn EP0438673A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9000823U 1990-01-25
DE9000823U DE9000823U1 (en) 1990-01-25 1990-01-25 Iron with hard-coated sliding surface

Publications (1)

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EP0438673A1 true EP0438673A1 (en) 1991-07-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0998604B1 (en) * 1996-09-24 2003-05-07 Koninklijke Philips Electronics N.V. Iron and soleplate for an iron
US7610701B2 (en) 2007-02-12 2009-11-03 Applica Consumer Products, Inc. Iron with actively cooled soleplate
US7926208B2 (en) 2007-02-12 2011-04-19 Applica Consumer Products, Inc. Fast heat/fast cool iron with steam boiler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625848A (en) * 1968-12-26 1971-12-07 Alvin A Snaper Arc deposition process and apparatus
DD231591A1 (en) * 1984-12-21 1986-01-02 Soernewitz Elektrowaerme Veb BUEGELEISENSOHLE
EP0206121A1 (en) * 1985-06-22 1986-12-30 Winfried Heinzel Process for coating household appliances with an antiadhesive layer, and household appliance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625848A (en) * 1968-12-26 1971-12-07 Alvin A Snaper Arc deposition process and apparatus
DD231591A1 (en) * 1984-12-21 1986-01-02 Soernewitz Elektrowaerme Veb BUEGELEISENSOHLE
EP0206121A1 (en) * 1985-06-22 1986-12-30 Winfried Heinzel Process for coating household appliances with an antiadhesive layer, and household appliance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0998604B1 (en) * 1996-09-24 2003-05-07 Koninklijke Philips Electronics N.V. Iron and soleplate for an iron
US7610701B2 (en) 2007-02-12 2009-11-03 Applica Consumer Products, Inc. Iron with actively cooled soleplate
US7926208B2 (en) 2007-02-12 2011-04-19 Applica Consumer Products, Inc. Fast heat/fast cool iron with steam boiler

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Publication number Publication date
DE9000823U1 (en) 1991-05-29

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