EP1318693A2 - Elément chauffant et procédé de fabrication de cet élément chauffant - Google Patents

Elément chauffant et procédé de fabrication de cet élément chauffant Download PDF

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Publication number
EP1318693A2
EP1318693A2 EP02027257A EP02027257A EP1318693A2 EP 1318693 A2 EP1318693 A2 EP 1318693A2 EP 02027257 A EP02027257 A EP 02027257A EP 02027257 A EP02027257 A EP 02027257A EP 1318693 A2 EP1318693 A2 EP 1318693A2
Authority
EP
European Patent Office
Prior art keywords
heating element
holding
carrier body
element according
web
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Withdrawn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
EP02027257A
Other languages
German (de)
English (en)
Other versions
EP1318693A3 (fr
Inventor
Brigitte Wolf
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1318693A2 publication Critical patent/EP1318693A2/fr
Publication of EP1318693A3 publication Critical patent/EP1318693A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material

Definitions

  • the invention relates to a heating element with a heating coil, with a support body for the heating coil and with electrical connection elements, which with the heating coil are connected.
  • the invention further relates to a method for producing a heating element with a hollow tube as a support body, a heating coil and with electrical Connecting elements.
  • Such heating elements are known from EP 0 381 976 A2. you will be for example in toasters, infrared heaters or industrial quartz heaters used.
  • the invention has for its object a heating element of the type described To create a way that is as simple and inexpensive as possible Way is producible.
  • the holding webs can be easily produced in the manufacture of the carrier body form on this, for example in the case of a quartz glass tube as the carrier body mold into it during the glass blowing process. These can be thus train in a simple and inexpensive manner.
  • the heating element can also be simple Manufacture way, since in particular a connection element in a simple Can be pushed onto a holding bridge in order to close it to the holding bridge fix.
  • a holding web is in one piece or integrally on the carrier body formed so that the carrier body itself already has the holding webs, then around the connection elements with the heating coil attached to them to be able to hold.
  • a holding web is spaced apart from one end of the carrier body is formed.
  • a holding bridge is simple on the one hand produced.
  • the heating coil is advantageously spaced apart by at least two Retaining bars held on the carrier body. This allows the heating coil fix between the two holding bars on the carrier body.
  • the heating coil is expediently stretched on the carrier body in its longitudinal direction held and in particular between spaced retaining webs on Carrier body kept taut. This facilitates the manufacture of the heating element, because during the production the distance between the two connection elements, which are coupled to the heating coil, not specified must become. By overcoming the spring force of the heating coil, fix the two holding elements on their assigned holding bars. By the forces that the tensioned heating coil exerts on the connection elements, is in turn for a secure fixation of the connection elements on the retaining webs concerned on the carrier body.
  • a holding web is advantageously formed by shaping a support body wall educated. Such a retaining web can be produced in a simple manner.
  • a holding web faces one of the heating coils Surface of the support body protrudes. Is the heating coil in one Arranged interior of a support body designed as a hollow tube, then a footbridge protrudes into this interior.
  • the support body is, for example, a ceramic tube and a holding web whose outer surface protrudes so that a connecting element thereon is fixable.
  • the carrier body is a hollow tube the interior of which is arranged the heating coil. This is particularly suitable for toaster, for example, since the heating coil is then also via the hollow tube is mechanically protected.
  • the carrier body is a quartz glass tube, which is heat-resistant is and allows good heat dissipation.
  • Quartz glass tube a holding bridge in a relatively simple way during manufacture shape by, for example, in the still soft glass material corresponding notch is pressed, the one in the interior of the hollow tube instructing survey.
  • a holding web is in the interior of the carrier body pointing elevation formed over an inner surface of the carrier body wall.
  • Such a holding bridge can be easily and inexpensively form.
  • the elevation is on an outside of the carrier body has a depression, for example a notch-shaped depression with a V shape.
  • a heating element can be attached to such a recess an application, for example a toaster.
  • a fixing element assigned to a retaining web is provided for the heating element via which the heating element can be fixed in particular to a toaster, with a fixing element to hold the heating element in the recess of the associated Tether is submersible.
  • immersing the fixing element block a translational movement of the heating element transverse to the recess.
  • the fixing element also at least partially encompasses the Carrier body, can also be a rotational movement of the carrier body lock.
  • a retaining web is advantageously designed so that the rotatability of a on it held connector is locked from a holding position. It can then be achieved that a retaining web is not just a translational movement the connecting element blocks in a longitudinal direction of the carrier body, but also a rotatability about an axis parallel to this longitudinal direction. As a result, the connecting element is attached to the associated retaining web little freedom of play is kept, this minimized freedom of play can produce a low design effort.
  • connection elements and the heating coil can be produced if they are welded together.
  • the heating coil ends at both ends with a last one Spiral turn, so that no further operations on the heating coil itself how bending the last turn is required. This is also the danger eliminated that the heating coil warps unevenly. By cutting off after the last turn in each case it can be achieved that this with the last spiral turn ends.
  • connection elements with the last or more welded last spiral turns, for example with the last two to five turns of the heating coil or the last two to three turns.
  • connection elements to the heating coil, it is provided that these are provided with a welding flag.
  • connection element has at least one Holding tongue for supporting on the associated holding web.
  • a connection element can be supported on the associated retaining web and thus hold on the carrier body.
  • the at least one retaining tongue is in one piece on the connection element formed so that this is simple and inexpensive Lets make way.
  • a connecting element has at least two Retaining tongues, wherein a first retaining tongue is located on a surface of the Supporting web supports, which faces one end of the support body is, and a second retaining tab on a surface of the retaining web supports which faces the other end of the carrier body.
  • the at least one retaining tongue is on the connection element arranged that with the connecting element held on the carrier body these are positioned at an angle to the longitudinal direction of the carrier body is. It is thereby achieved that a retaining tongue on a retaining web can support and a clamping force can be exerted with one component parallel to the longitudinal direction of the support body and thus a connection element is fixable on the associated holding bridge.
  • a retaining tongue on a retaining web can support and a clamping force can be exerted with one component parallel to the longitudinal direction of the support body and thus a connection element is fixable on the associated holding bridge.
  • connection element with its at least one retaining tongue designed so that it can be pushed onto the associated retaining web.
  • the connecting element can then be positioned so that it is on a holding bridge can be pushed past, d. H. this can happen.
  • the connector with be fixed to a holding bridge then it is pushed onto it.
  • the production of the heating element according to the invention can be strong simplify, because the heating coil with a connecting element through the Carrier body can be pushed through, with a corresponding position of the Connection element this can happen a holding bridge, on which it is not to be held, and with the associated holding bridge to which it is fixed should be aligned so that it can then be pushed.
  • a connecting element can then be in a certain angular position be aligned so that this is a retaining bridge at least partially can happen while it is associated with with it Holding bridge is aligned accordingly, can be pushed onto it by rotation is.
  • a holding web has a receptacle for the at least one Retaining tongue, the recording compared to the rest of the retaining web is reset that a rotatability from the recording essentially Is blocked.
  • This allows a stop position of a connecting element a landing stage, which is achieved by postponement by rotation was secure; around the connection element from the assigned holding bridge unscrewing, a greater effort is required.
  • This in turn can be a secure fixation position of the connecting element on a retaining web achieve with little play.
  • connection element has a support part, which essentially on a diameter of the carrier body in the Interior is arranged.
  • the diameter of a cylindrical body is the distance which is the greatest length between two connection points having.
  • the support part for example a continuation of the terminal lugs, so formed that a displaceability transversely to the longitudinal direction of the carrier body is essentially blocked, in particular by the fact that its corresponding width is only a little shorter than the inside diameter of the Carrier body, then the connector is just opposite one Transversely displaceable ensured without further constructive measures and in particular additional components are necessary.
  • connection elements and retaining webs are coordinated so that a connecting element with heating coil is slidable by the carrier body and by rotation on the associated Retaining bridge can be fixed.
  • a connection element with the heating coil when inserted into the carrier body on the Retaining bar, on which the other connection element is to be fixed, can be pushed past is, namely by the connection element in a corresponding Angular position is brought. It can be placed on the assigned landing stage but then slide it on by turning it. This makes it possible, for example achieve that both connection elements each end with the heating coil be connected and then a connection element with the heating coil the support body is pushed through without the heating coil overstretch or warp unevenly.
  • connection element in particular with two spaced holding tongues, is on simple and inexpensive way to produce as a stamped part.
  • the invention is also based on the object of the method mentioned at the outset to improve such that a heating element as simple and is inexpensive to manufacture.
  • a heating element can be produced by the method according to the invention, which has only four components, namely a heating coil, two connection elements and a carrier body with holding webs correspondingly formed thereon.
  • connection element continues to be in one Angular position inserted into the hollow tube that it can be rotated against this position can be pushed onto the assigned holding bridge. It can be so that both connection elements connect to the heating coil and accordingly can then the heating coil with the connecting elements through the Push the hollow tube. This in turn causes excessive stretching and Warping of the heating coil avoided.
  • a Turnstile is arranged to twist it during the pushing through through the hollow tube or insertion into the hollow tube essentially to prevent.
  • This turnstile can be, for example to trade a thorn.
  • FIG. 1 An embodiment of a heating element according to the invention, which in Figure 1 is designated as a whole by 10, comprises a support body 12 for a heating coil 14.
  • This carrier body 12 extends in a longitudinal direction 16 and has a cylindrical outer surface 18 with opposite front ends 20 and 22.
  • the support body 12 is as Hollow tube formed with a cylindrical interior 24 for receiving the Heating coil 14.
  • the carrier body 12 is then made of quartz glass.
  • the heating coil 14 located in the carrier body 12 has a spiral shape with a plurality of turns 26. At the respective ends of the Heating coil 14, an electrical connection element is arranged; the end of 20th of the carrier body 12 is a first connection element 28 with the heating coil 14 connected and facing the end 22 of the support body 12 a second connection element 30 connected to the heating coil 14.
  • the two Connection elements 28 and 30 are used in one application, for example in a toaster, connected to opposite poles of a power source, so that the heating coil 14 can be energized.
  • the through the current flow Ohmic heat generated by the heating coil 14 represents the heating source of the Heating element 10 represents.
  • connection elements 28, 30, which for example consist of a scale-free Material and in particular made of a chromium-nickel compound, each have one over the associated ends 20, 22 of the carrier body 12 protruding terminal lug 32, which are each connected to the power source becomes.
  • the connection elements 28, 30 are associated with holding webs 34, 36, which on the carrier body 12 spaced apart from the respective Ends 20, 22 are formed, held ( Figure 2).
  • the holding webs 34, 36 are integral and integral with the hollow tube 12 as Carrier body formed.
  • the tether 34 (and the tether in the same way 36) includes a V-shaped elevation 38, which has an inner Surface 40 of the hollow tube 12 protrudes into the interior 24.
  • the inner surface 40, beyond which the retaining web 34 projects, is parallel to the longitudinal direction 16 of the support body 12 oriented (perpendicular to the normal direction to the longitudinal direction 16).
  • the holding web 34 faces on the outer surface 18 of the carrier body 12 an outer surface 42 parallel to the inner surface 40 notch-shaped recess 44, for example in a V-shape, in the example a flank 46 of a retaining plate 48 can dip around the heating element 10 via the holding plate 48 as a fixing element on an application, for example, a toaster, immovable and non-rotatable.
  • the holding plate 48 is in this case as a fixing element on the associated depression 44 adapted that on the one hand the displaceability along the direction 16 is locked and secondly the rotatability of the carrier body 12 is locked relative to the holding plate 48.
  • the holding web 34 extends over a circumferential region of the carrier body 12, which is smaller than half the circumference of the Carrier body 12 (based both on the outer surface 18 of the carrier body 12 as well as on the inside thereof forming the interior 24). This will for establishing a fixing connection between the connection element 28 and the holding web 34 a rotatability between the same connection element 28 and the retaining web 34 with elevation 38 into the interior 24. This is described in more detail below.
  • the elevation 38 is formed by a V-shaped hollow body wall 50 formed in the direction of an axis 52 of the carrier body 12 (i.e. in Direction of the heating coil 14).
  • the holding web 34 is, in particular, like the holding web 36 formed integrally during the manufacture of the support body 12; for example, in a corresponding glass blowing process of a quartz tube the support web 34 and the support web 36 are shaped as the carrier body 12.
  • the continuation of the terminal lugs plunges into the interior 54 a transverse width, which is slightly smaller than an inner diameter of the interior 24 (see FIG. 3) so that sufficient play is provided is that the connecting element 28 is rotatable in the interior 24, but without essential transverse displaceability.
  • connection element continuation 54 has a connecting tab 58, which is oriented transversely and in particular perpendicularly to the axis 52 is to just the parallel displacement between the terminal lug 32 and allow the sweat 56.
  • the connecting tab 58 can be used at the same time as a contact element for one facing the end 20 of the carrier body 12 Serve end of the heating coil 14.
  • the heating coil 14 preferably ends with a at its respective ends last turn 60, which then at least on the connecting tab 58 partially applied.
  • the welding lug 56 extends at least over this last turn 60 and preferably over the last two to five turns the heating coil 14 so as to obtain a good weld connection.
  • first retaining tongue 62 in one Angle to the longitudinal direction 16 and a second retaining tongue 64 at an angle to the longitudinal direction 16, with respective end faces 66 (the first Retaining tongue 62) and 68 (the second retaining tongue 64) are opposite.
  • This Retaining tongues 62, 64 protrude beyond the level of the connecting lug 32 Direction of the survey 38 and are based on this, so again the To keep connection element 28 in the interior 24 of the support body 12.
  • the Retaining tongue 62 which is at an acute angle with respect to the axis 52 arranged opposite this, is supported on a surface 70 of the Holding web 34, which faces the end 22 of the support body 12.
  • the second retaining tongue 64 is supported on a surface 72 of the V-shaped elevation 38 of the retaining web 34, which ends 20 of the carrier body 12 is facing. This results in a translational movement of the connecting element 28 locked towards the end 22 by the retaining tongue 64 and a translational movement in the opposite direction (towards the end 20) through the first retaining tongue 62 locked. A transverse movement to this is due to the diameter positioning the terminal tab continuation 54 locked with an adjusted width.
  • retaining tongue 62 and / or 64 may be provided (not shown in the drawing). For example, are on at least one or both sides for support the associated surfaces 70, 72 two spaced transversely to the direction 16 Retaining tongues provided.
  • the first connection element 28 with its retaining tongues 62 and 64 is in particular formed in one piece, for example as a stamped part.
  • the retaining tabs 62 and 64 are designed to be elastic and at the terminal lug continuation 54 arranged that, as described in more detail below, the connection element 28 on the elevation 38 in particular via a rotary movement can be pushed on and held on the protrusion 38 after being pushed on is.
  • the terminal lug extension 54 has an orientation transverse to the direction 16 Recess 73, which extends from a transverse edge.
  • the width this recess 73 in the direction 16 and its length are such that the rotatability of the connecting element 28 for sliding the retaining tongues 62, 64 on the survey 38 is guaranteed. In particular, this is Width greater than the extent of the elevation 38 at a base point.
  • the holding web 36 assigned to the second connection element 30 is of identical design like the retaining web 34 and accordingly the second connection element 30 configured in the same way as the first connection element 28.
  • the holding webs 34 and 36 are preferably parallel to each other on the same side of the support body 12 arranged.
  • the heating coil can then be connected through the two connecting elements 28 and 30 14 in the interior 24 of the carrier body 12 on the holding webs 34 and 36 in particular, keep it taut, with the translational movement of the heating coil 14 in the longitudinal direction 16 by fixing the connection elements 28, 30 is blocked on the associated holding webs 34, 36. Furthermore, the Transverse movement of the connecting elements 28, 30 away from the holding webs 34, 36 by the diameter arrangement of the terminal lug extension 54 in the Interior 24 of the carrier body 12 is essentially blocked.
  • the heating element 10 according to the invention can be produced as follows:
  • the heating coil 14 is wound and then, possibly after cutting after the last turn in each case, with the connecting elements 28 and 30 welded. From one end, the heating coil 14 is then through the Carrier body 12 pushed to position them in the interior 24. For example, the connecting element 28 is inserted at the end 22 and pushed towards the other end 20.
  • the second connection element 30 will then also end 22 ago pushed into the hollow body 12 in a rotational position in which the end 20 facing retaining tongue the corresponding elevation 38 of Holding bridge 36 can happen. It then becomes the second connection element 30 pushed onto its associated holding web 36 by a rotary movement, as a result, the heating coil 14 between the holding webs 34, 36 stretched over the two connection elements 28 and 30 in the carrier body 12 is held.
  • the angular position, in particular of the connecting element 28 during the implementation through the interior 24 of the carrier body 12 in the longitudinal direction 16 can be secured, for example, by a mandrel.
  • connection tab 58 dimensioned so that it on the survey 38 of Holding web 36 can abut, then the first connection element 28 after Passing the retaining web 34 are rotated back so that now the connecting tab 58 facing away from the elevation 38 from the holding web 36 positioned to be able to pass through it.
  • the connection tab is corresponding of the second connection element 30 rotated so that they the holding web 36 can position while the second connection element 30 at Reaching the elevation 38 of the holding web 36 by its corresponding Retaining tongues must be rotated so that the end tongue 20 facing this can happen.
  • connection elements 28 and 30 are adapted in such a way that that on the one hand a connecting element can be pushed through the carrier body 12 is when it is rotated accordingly (as above using the first connection element 28 described) and then the connection elements 28 and 30 with as little play as possible on their associated holding webs 34 and 36 are held, in turn the heating coil 14 on the carrier body 12 hold.
  • the dimensioning of the connecting tab 58 in the direction of the axis 52 is also adapted to this pushing through (with or without eventual To enable intermediate rotation).
  • connection elements 28 and 30 are also dimensioned in length and so elastic that they are on the assigned surfaces 70, 72 of the elevation 38 of the holding webs 34 and 36 a Exert force, d. H. the connecting elements 28, 30 are clamped to the holding webs 34, 36 are held. This will free the fixation of the Connection elements 28, 30 reduced.
  • the heating element 10 according to the invention can be inexpensive and simple Manufacture only by means of four parts, namely the carrier body 12, the heating coil 14 and the two connection elements 28 and 30. More Parts are not needed.
  • connection elements 28 and 30 are formed the same as above described and therefore have the same reference numerals.
  • the carrier body modified.
  • Corresponding modified parts are opposite the heating element 10 according to Figures 1 to 3 with a dash on the reference numeral Mistake.
  • the modified carrier body 12 ' has modified retaining webs 34 ', 36' (only the retaining web 34 'is shown in Figures 4 to 6).
  • the holding web 34 ' has a recess 44' on the outer surface 18 'of the carrier body 12 'on. It also includes an elevation 38 ', which is like the elevation 38 of the carrier body 12 points to an axis 52 'of the carrier body 12'.
  • the survey 38 ' comprises a receptacle 74' ( Figures 4 and 6), which serves to receive the holding tongues 62, 64 of the connecting element 28.
  • This receptacle 74 ' is transverse to the axis 52' facing one end 20 'of the Carrier body 12 'delimited by spaced bead elements 76', 78 '; the The distance between these bead elements 76 ', 78' essentially corresponds to one Width of the second retaining tongue 64 so that it is non-rotatable between the two Bead elements 76 'and 78' is held.
  • the receptacle 74 ' is transverse to the axis 52' of the other End 22 '(not shown in Figures 4 to 6) facing the support body 12' limited by bead elements 80 'and 82'.
  • the Bead elements 80 'and 76' are essentially opposite in alignment in the axial direction and likewise the bead elements 78 'and 82'.
  • the bead elements 80 ', 82' cause the second retaining tongue to be unscrewed 62 in particular about an axis of rotation which is parallel to the axis 52 ' or coincides with it, prevents or is only overcome a force threshold possible.
  • the retaining tongues 62, 64 are thus elastic on the first connection element 28 arranged that when rotating over the elevation 38 'over the corresponding Bead pair, for example 78 ', 82', can be pushed over and then spring into the receptacle 74.
  • the bead elements 76 ', 78', 80 ', 82' then continue to block the rotatability the connecting element 28 in the carrier body 12 ', d. H. it must at least the elastic force of the holding tongues 62, 64 for sliding over the respective Bead elements are applied to the connecting element 28 to unscrew its stop position.
  • the holding web 36 ′ which corresponds to the second connection element 30, is correspondingly is assigned, trained.
  • the heating element with the support body 12 ' can be in the same way as manufacture as described above. The only difference is that a higher one Exertion of force to rotate the connection elements into their respective holding positions on the holding webs 34 'and 36' is required.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Resistance Heating (AREA)
EP02027257A 2001-12-10 2002-12-06 Elément chauffant et procédé de fabrication de cet élément chauffant Withdrawn EP1318693A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10161535 2001-12-10
DE2001161535 DE10161535A1 (de) 2001-12-10 2001-12-10 Heizelement und Verfahren zur Herstellung eines Heizelements

Publications (2)

Publication Number Publication Date
EP1318693A2 true EP1318693A2 (fr) 2003-06-11
EP1318693A3 EP1318693A3 (fr) 2006-01-04

Family

ID=7709244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027257A Withdrawn EP1318693A3 (fr) 2001-12-10 2002-12-06 Elément chauffant et procédé de fabrication de cet élément chauffant

Country Status (2)

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EP (1) EP1318693A3 (fr)
DE (1) DE10161535A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336750A (en) * 1998-03-18 1999-10-27 Bomac Electric Limited Locating/securing connector in a radiant heating element.
EP1274282A2 (fr) * 2001-07-05 2003-01-08 Seb S.A. Elément quartz de chauffage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9007828U1 (de) * 1989-01-27 1997-11-06 Seb S.A., Ecully Heizelement
DE3903961A1 (de) * 1989-02-10 1990-08-16 Wuerth Friedrich Fa Heizelement
US5155798A (en) * 1989-02-21 1992-10-13 Glenro, Inc. Quick-response quartz tube infra-red heater

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336750A (en) * 1998-03-18 1999-10-27 Bomac Electric Limited Locating/securing connector in a radiant heating element.
EP1274282A2 (fr) * 2001-07-05 2003-01-08 Seb S.A. Elément quartz de chauffage

Also Published As

Publication number Publication date
DE10161535A1 (de) 2003-06-26
EP1318693A3 (fr) 2006-01-04

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