CA2252975A1 - Frame for a cooktop - Google Patents

Frame for a cooktop Download PDF

Info

Publication number
CA2252975A1
CA2252975A1 CA002252975A CA2252975A CA2252975A1 CA 2252975 A1 CA2252975 A1 CA 2252975A1 CA 002252975 A CA002252975 A CA 002252975A CA 2252975 A CA2252975 A CA 2252975A CA 2252975 A1 CA2252975 A1 CA 2252975A1
Authority
CA
Canada
Prior art keywords
frame
foil
cooktop
accordance
profiled sections
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.)
Abandoned
Application number
CA002252975A
Other languages
French (fr)
Inventor
Horst Stedron
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.)
LKH Kunststoffwerk GmbH and Co KG
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
Priority claimed from DE19615769A external-priority patent/DE19615769C1/en
Priority claimed from DE19707857A external-priority patent/DE19707857C2/en
Application filed by Individual filed Critical Individual
Publication of CA2252975A1 publication Critical patent/CA2252975A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • F24C15/102Tops, e.g. hot plates; Rings electrically heated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02Deburring or deflashing

Landscapes

  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Laminated Bodies (AREA)
  • Baking, Grill, Roasting (AREA)
  • Cookers (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Special Wing (AREA)

Abstract

The invention relates to a frame for a cooktop which comprises sections which at least partially embrace the ceramic hob and have a visible surface. A supporting device is attached to the frame and holds electrical installation units below the cooktop. The invention also relates to a method for producing said frames. The visible surface can easily be designed to be universally applicable if said surface is covered by sheeting.

Description

W0 97/40318 PCT/EP97/OlBB6 ~rame for a Cooktop The invention relate~ to a frame for a cooktop consisting of profiled sec~iona, wherein the profiled sections enclose the cooktop at le~st partially and have a visual surface, and wherein the fra~e is connected to a receiving device, which maintains electrical installation units in an arrangement underneath ~he cooktop .
Such frame~ are known from DE 88 01 334 U1. Such a frame is used, for example, for creating a transition between a ceramic cooktop and an adjoining work top.
Here, the frame primarily takes on the job of fixing the cooktop in place and to achieve a vi~ual border. The profiled sections e~close the cooktop on all ~ides for fixing it in place.
In this ca~e the profiled ~ection~ ar- mostly connected in one piece to form a closed frame. However, it is also conceivable to provide individual profiled sections, which are then connected with each other.
The vi~ual surface extends past the edge areas of the cooktop and the work top, as well as past the gap between the cooktop and the work top to provide a visual border. The plastic material fro~ which the fra~e is made is tinted to provide a pleasant exterior, or in connection with higher-priced frames the visual surface i~ enameled. Enamelling ha~ the disadvantaye that it can eaqlly become scratched when pot~ are pulled over th~
frame. Furthermore, it i~ not pos~i~le to provide graphically designed decors at ju~tifiable cost.
It i~ the object of the invention to create a frame for a cooktop wherein the visual surface can be univer~ally de~igned.

wo 97/40318 PCT/EP97/01~86 The object of the invention iB attained in that the visual surface is covered with a foil.
It ia possible to reproduce all manner of surface stru~tures, for example wood, stone, chromium, etc. by means of the foil. Complicated graphic structures in particular can be pictured on the foil.
Since the foil is applied to the frame a3 a separate part, the physical properties of the visual ~urface can also be changed.
The foil can be ~cratch-resistant and pressure-resistant, for example. It is also advantageou-Q if the foil i~ resistant to chemicals.
As a characteristic feature it should furthermore be stressed that the frames can be produced in very small lots, since every frame can be covered individually with a foil.
In accordance with a preferred embodiment of the invention it is provided, that the profiled sections are combined into one piece, that the profiled sections and/or the foil are made of a pressure-3etting pla~tic material, wherein the plastic material for the profiled sections is not tinted. It i9 possible to omit the tinting of the plastic material, ~ince here only the visual surface i8 facing the observer. The pre~sure-setting plastic will primarily be on a melamine basi~ and can be fi~erglass-reinforced.
When using different materials it is al60 possibIe to make use of different material properties, so that the frame can be individually matched.
A method in accordance with the invention for producing a frame for a cooktop i9 distinguished in that a foil is applied to a ~isual surface of the frame and is connected with the frame.

.. .. .. . .

CA 022~297~ 1998-10-lg w0 97/40318 PCT/EP97/01886 I~ in this connection it i9 provided that the foil i8 inserted into ~ compression mold, a plastic material i~
furthermore inserted into the compression mold, and that the plastic material, together with the foil, is pressed to form the frame while heat is being ~upplied, the frame can be produced in a Eingle work step. For example, the plastic material can be cut off in the correct length from a ~emi-finished material. The plastic material is brought into a moldable state by mean~ of the supply of heat. The shapi~g of the frame is provided by means of presaing it in the compre~sion mold. The foil i~ simultaneously pressed on the visual surface and i8 intima~ely connected with it by means of the supplied heat.
It ha-Q been shown to be ad~antageous i~ a provision i3 made to cut the dimensions of the foil to such a size that, following thermal pressing, it laterally projects pa~t the ~isual ~urface, and that ~he projecting portion~ are cut o~f in the course of deburring the frame.
Because the foil has larger dimensions than the vi3ual surface, scrap is reduced to a minimum, since a complete covering of the vi-~ual surface i8 always a-Qsured, even if the foil is displaced in respect to the frame during the preQQing operation.
Furthermore, a defined border with the vi~ual surface is created in that the projecting portion~ are cut off at the end.
In accordance with an alternative method of the invention it i3 provided that the foil i~ placed on the visual surface of the frame made of plastic, and is connected with i~ by ~upplying heat. In this case the frame is a pre-a~embled element produced, for example, ~y an extrUQiOn molding process. It can then be covered with the foil later.

wo 97/40318 PCT/EP97/01~86 The invention will be explained in greater detail below by means of an exemplary embodiment repre~ented in the drawings.
Shown are in:
Fig. 1, a ceramic coo~top and a frame in a per~pective representation, and Figs. 2a to d, the method steps for producing the frame in accordance with Fig. l.
A ceramic cooktop lO, which ie ~urrounded by a fra~e 20, is repre~ented in Fig. 1. The frame 20 consists of individual profiled 3ections, which are connected with each other to form one piece. The profiled sections have a vertical ~trip 22, to which a plate i9 connected at right angles. The plate constitutes a visual surface 21, which face~ upward. The plate and the strip 22 are combined in a T-shape in cros~ section. The vi~ual surface 21 is embodied to be flat here. Howe~er, any other arbitrary s~rface profile is also concei~able. For example, a corrugated profile or prongs can be provided. A foil 40 ha~ been placed on the visual surface 21 itself.
A receiving device for electrical installation elements can be connected to the strip 22. For example, potential fastening devices are pro~ided on the -~trip 22 to this end. However, it is also conceivable that the recei~ing device is connected in one piece wi~h the frame 20.
The method for producing the frame 20 repre~ented in Fig will be explained in greater detail in what follows ~y means of Fig~. 2 a to d.
A compression mold i~ represented in Fig. 2a, which consist~ of a first and second mold half 31 and 32. The first mold half 31 has a die 35, into which a receptacle has been cut.

Wo 97/40318 PCT/~P97/018B6 The receptacle con~titutes the negative contour of the frame 20.
A recess 34 has been cut into the ~econd mold half 32. The die 35 of the first mold half can be placed into it.
For executing the production method, first the foil 40 i8 in~erted into the rece~ 34 of the ~econd mold half 32 while the compression mold is open. In thi~ case the ~ide of the foil 40 which, for example, has the decor, the surface structure, etc., points in the direction facing away from the die 35.
In a second method step, which can be seen in Fig. 2b, a plastic material 23 is cut to ~ize and inserted on top of the foil 40 into the second mold half 32. The recess 34 has been widened toward the top for recei~ing the foil 40 and the plastic material 23. The plastic material 23 and the foil 40 therefore are supported against a shoulder and are arranged at a distance from the bottom surface of the rece~ 34.
Thereafter the compression mold is closed, as shown in Fig.
2c. To this end, the ~ir~t mold half 31 i8 moved on the ~econd one, 32. In the proces~, the die 35 penetrates into the recess 34. The plastic material 23 is brought into a deformable state by the application of heat, BO that in the course of cloRing the compression mold it flows into the receptacle 33. The strip 22 of the frame 20 is formed in this way. The plate which carries the ~isual surface 21, is created between the front face of the die 35 and the second mold half 32. In the cour~e of the entry of the die 35, the foil 40 is simultaneously pulled further i~to the recess 34 and is placed over the ~isual surface 21 of the frame, which is being created.
With the compression mold closed, the entire negative frame contour iB filled with the plastic material 23 and the foil 40.

CA 02252975 l998- lO- l9 WO 97/40318 PCTJEP97/OlB86 Because of this, pre~sure i8 created in the compression mold. As a result o~ the pressure and the supplied heat, the foil 40 and the visual Qurface 21 of the frame 20 are connected to each other.
The frame 20 cures after a dwell time. The compression mold can then be opened again and the frame 20 expelled, as represented in Fig. 2d. As can be seen from thi~ representation, in its raw state the foil 40 had larger dimen3ions than the visual surface 21 of the frame 20, ~o that scrap pieces project past the visual surface 21. The~e projecting pieces are cut off in a final deburring step. This situation is shown in Fig. 2c.
For deburring, the frame 20 is inQerted, with it~ visual surface 21 facing downward, into a reces~ 61 of a recei~ing element 60. Here, the strip 22 project~ above the receiving element 60. The projecting piece~ of the foil 40 are then cut off by means of a tool 50, and the plate carrying the visual plate 21 is deburred. 3ecause cutting off the projecting parts and deburring take place at the same time, it is possible to always assure a flush border of the foil 40 with the vlsual surface 21.

Claims (8)

C l a i m s
1. A frame for a cooktop consisting of profiled sections, wherein the profiled sections enclose the cooktop at least partially and have a visual surface, and wherein the frame is connected to a receiving device, which maintains electrical installation units in an arrangement underneath the cooktop, characterized in that the visual surface (21) is covered with a foil (40).
2. The frame in accordance with claim 1, characterized in that the receiving device is embodied to be tub-shaped and is connected in one piece with the frame.
3. The frame in accordance with claim 1 or 2, characterized in that the foil (40) is provided with a decor and/or a surface structure on its side facing away from the frame (20).
4. The frame in accordance with one of claims 1 to 3, characterized in that the profiled sections are connected to form one piece, the profiled sections and/or the foil (40) are made of a pressure-setting plastic material, wherein the plastic material for the profiled sections is untinted.
5. A method for producing a frame consisting of profiled sections for a cooktop, characterized in that a foil (40) is applied to a visual surface (21) of the frame (20), which is connected with the frame (40).
6. The method in accordance with claim 5, characterized in that the foil (40) is inserted into a compression mold, a plastic material (23) is furthermore inserted into the compression mold, and the plastic material (23), together with the foil (40), is pressed to form the frame while heat is being supplied.
7. The method in accordance with claim 6, characterized in that the dimensions of the foil (40) are cut to such a size that following thermal pressing it laterally projects past the visual surface (21), and the projecting portions are cut off in the course of deburring the frame (20).
8. The method in accordance with claim 5, characterized in that the foil (40) is placed on the visual surface (21) of the frame (20) made of plastic, and is connected with it by supplying heat.
CA002252975A 1996-04-20 1997-04-16 Frame for a cooktop Abandoned CA2252975A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19615769A DE19615769C1 (en) 1996-04-20 1996-04-20 Frame edging for cooking area, e.g. for separating ceramic hob from neighbouring work surfaces
DE19615769.2 1996-04-20
DE19707857A DE19707857C2 (en) 1996-04-20 1997-02-27 Framework for a cooktop
DE19707857.5 1997-02-27

Publications (1)

Publication Number Publication Date
CA2252975A1 true CA2252975A1 (en) 1997-10-30

Family

ID=26024964

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002252975A Abandoned CA2252975A1 (en) 1996-04-20 1997-04-16 Frame for a cooktop

Country Status (7)

Country Link
EP (1) EP0894222B1 (en)
JP (1) JP2000508756A (en)
AT (1) ATE196799T1 (en)
AU (1) AU2697997A (en)
CA (1) CA2252975A1 (en)
PL (1) PL329349A1 (en)
WO (1) WO1997040318A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7813233U1 (en) * 1978-04-29 1978-08-24 Jenaer Glaswerk Schott & Gen., 6500 Mainz GLASS OR GLASS-CERAMIC HEATING AND / OR COOKING SURFACE WITH GLUED FRAME AND FASTENING ELEMENTS
DE3317624A1 (en) * 1982-08-13 1984-11-15 Fischer, Karl, 7519 Oberderdingen Arrangement for building-in an electric cooking plate
ES2066656B1 (en) * 1992-06-26 1997-01-16 Balay Sa IMPROVEMENTS IN THE CERAMIC GLASS SUPPORT PLATE FOR COOKING.
DE19525825A1 (en) * 1995-07-15 1997-01-16 Mecalit Gmbh Method of manufacturing a stove top and stove top made according to it

Also Published As

Publication number Publication date
ATE196799T1 (en) 2000-10-15
PL329349A1 (en) 1999-03-29
JP2000508756A (en) 2000-07-11
AU2697997A (en) 1997-11-12
WO1997040318A1 (en) 1997-10-30
EP0894222A1 (en) 1999-02-03
EP0894222B1 (en) 2000-10-04

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Legal Events

Date Code Title Description
FZDE Discontinued