WO2007015024A2 - Plaque de cuisson, appareil de cuisson, capot pour cet appareil et procede de fabrication de la plaque et du capot - Google Patents
Plaque de cuisson, appareil de cuisson, capot pour cet appareil et procede de fabrication de la plaque et du capot Download PDFInfo
- Publication number
- WO2007015024A2 WO2007015024A2 PCT/FR2006/050753 FR2006050753W WO2007015024A2 WO 2007015024 A2 WO2007015024 A2 WO 2007015024A2 FR 2006050753 W FR2006050753 W FR 2006050753W WO 2007015024 A2 WO2007015024 A2 WO 2007015024A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- frame
- cooking
- edge
- hood
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000010411 cooking Methods 0.000 claims abstract description 182
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000002241 glass-ceramic Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 235000013305 food Nutrition 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
-
- 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
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/66—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined
- B29C65/665—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined using shrinking during cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
- B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2424—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
- B29C66/24243—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
- B29C66/24244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
- B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
- B29C70/76—Moulding on edges or extremities of the preformed part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/102—Tops, e.g. hot plates; Rings electrically heated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
- B29C66/7461—Ceramics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
- B29C66/7465—Glass
Definitions
- the present invention relates to a cooking appliance with a cooking plate and in particular a fixed cooking appliance intended to be integrated in an opening arranged in a worktop or in a cooking stove or a mobile cooking appliance that can be moved manually and easily.
- a cooking plate appliance generally has a bottom and at least one side wall forming a base inside which is (or are) positioned (s) one (or more) element (s) heating, as per example radiant or halogen foci, and control means for varying the power thereof.
- This apparatus also has an upper cooking surface generally comprising a single hob, for example glass-ceramic, on which can be positioned a pan, a pan or any other utensil may contain food to be heated or cooked, even on which can be positioned directly food to be heated or cooked.
- the present invention relates more particularly to a cooking plate for a fixed or mobile cooking apparatus, said plate having a singing edge and an upper cooking surface and being provided with a plastic frame or a mixture of plastics extending at least partly on the periphery of said plate and thus cooperating with at least one edge or part of the edge of said plate.
- a cover can thus be made, this cover comprising at least one cooking plate and a frame made of plastic or a mixture of plastics extending at least partly around the periphery of said plate, said cover being intended for cooperate with the base on which is fixed at least one heating element to allow to realize the cooking appliance.
- a first disadvantage of this configuration is that it is difficult to achieve a tight cooperation that remains reliable long between the frame and the plate at the edge of the hob. Dirt may end up lodged between the edge of the plate and the frame, or even liquid can flow between the edge of the plate and the frame.
- a solution has been proposed in the prior art for vitroceramic hotplates. It consists in producing a second glass-ceramic plate, in the form of an annular plate, having an outer contour substantially similar to the contour of the cooking plate and a small width, then pressing this annular plate against the cooking surface, so as to form a ceramic glass boss around the entire edge of the hob.
- This solution has several disadvantages: it is difficult to implement because it is difficult to manufacture the annular plate and attach it to the hob; moreover, it is expensive to implement for a series of identical cooking plates and even more when several series of cooking plates having different dimensions are manufactured because it is necessary to manufacture different annular plates for each series of cooking plate. Moreover, this solution does not allow to make a flange on only part of the perimeter of the hob.
- the encapsulation technique is complex to implement because it requires the production of at least two half-molds and tools allowing the movement of at least one of these half-molds relative to the other for the loading of the plate before molding and recovery of the plate after the molding of the frame and for the application of a strong closing pressure.
- this technique is complex to implement because it is necessary that the seal is sufficient inside the mold so that the molded material does not escape but it is not necessary that the applied closing force is too much strong so as not to risk breaking the hob.
- this technique requires different molds to be made each time the frame or the plate is different, which generates an additional cost during industrialization.
- the extrusion technique does not give complete satisfaction either because it is difficult to obtain with the current technique a profile which has the necessary mechanical characteristics and in particular the necessary rigidity.
- cover formed at least by the plate and the frame must perform functions of different and complementary natures.
- the hood must make a rigid subassembly, able to support the weight of the cooking utensils and have adequate mechanical, chemical and thermal resistance.
- this cover must be watertight in itself and must also seal the base:
- the subassembly formed by the plate and the frame must, on the one hand, have a good seal that the water, for example used to clean the apparent surface of the hob, does not enter the interior of the cooking appliance and is not likely to create a short circuit.
- the water for example used to clean the apparent surface of the hob
- it is necessary to avoid any risk of fouling in hard to reach areas and difficult to clean to avoid appearing developments of germs.
- the object of the invention is to overcome the disadvantages of the prior art and to provide an easy to implement solution and inexpensive to achieve a rim on all or part of the upper edge of a hob.
- This rim then serves both as a holding rim to hold utensils or foods on the cooktop and as an overflow rim to prevent liquids from spilling over the cooktop.
- the present invention thus relates in its broadest sense to a cooking plate for a fixed or mobile cooking appliance, said plate having an edge and an upper cooking surface and being provided with a plastic frame or mixture of plastics extending at least partly around the periphery of said plate, characterized in that said frame cooperates with said cooking surface so that an inner wall of the frame is recessed towards the center of said plate relative to the singing of this plate.
- the frame may have a parallelepiped shape in cross-section.
- the frame may have in cross section:
- the frame encases at least one edge of said plate.
- the frame only forms all or part of the periphery of an upper cooking surface of the cooking appliance, whereas in other variants, particularly the latter, the frame forms all or part of the periphery of the cooking surface. an upper cooking surface of the cooking appliance and all or part of at least one side wall of this appliance.
- edge in the sense of the present invention means a volume defined at one of its ends by the upper edge of the plate, the edge of the plate and the lower edge of the plate, while the term “border” designates a surface, upper or lower, limited at one end by the edge of the plate.
- the frame has a thickness e of at least 1 mm and preferably at least 2 mm above said cooking surface of the plate, to allow forming the boss maintenance and / or anti-overflow but it can also have a thickness of 3 mm or even 4 mm or more in order to be sufficiently effective.
- the frame preferably has a width 1 sufficient, at least 2 mm and preferably at least 4 mm recessed towards the center of said plate relative to the edge of this plate.
- the cooking plate may further comprise a seal and in particular an adhesion and / or sealing gasket interposed between a wall of the frame and the surface of the adjacent plate and more particularly between a surface of the frame adjacent to the cooking surface. of the plate and this cooking surface.
- the cooking plate according to the invention may further comprise control means. These control means are then preferably integrated in said frame.
- the material constituting the frame preferably has a heat resistance greater than 100 ° C. and preferably greater than 120 ° C., that is to say that its properties, in particular of mechanical strength, are not not strongly modified at such a temperature so that there is no risk of loosening the frame, even using a heavy cooking utensil.
- the cooking plate is preferably a glass-ceramic plate, but it can also be made of plastic, for example based on polyvinyl, or glass and in particular tempered glass.
- the present invention also relates to a method of manufacturing a cooking plate for a fixed or mobile cooking appliance, and in particular a method of manufacturing a plate according to the invention, said plate having a edge and a surface upper cooking and being provided with a plastic frame or mixture of plastics extending at least partly around the periphery of said plate, the method being characterized in that said frame is manufactured by prior molding of said frame and then gluing from the frame to the plate or by in situ extrusion of the frame on the plate or by in situ encapsulation of the frame on the plate and is manufactured to cooperate with said cooking surface so that an inner wall of the frame is recessed. towards the center of said plate relative to the edge of this plate.
- the plate and said frame are manufactured separately, said plate being inserted into a groove of said frame when the frame is hot and said frame being fixed to said plate by retraction of the material constituting said frame.
- a groove in the sense of the present invention consists of at least two substantially plane and intersecting walls of the frame, or even three planar walls intersecting two by two, two walls being moreover substantially parallel. These flat walls are intended to accommodate on the one hand at least a portion of the edge of the hob and on the other hand the upper and / or lower edge of the plate.
- the present invention also relates to a fixed or mobile cooking appliance comprising at least one cooking plate according to the invention.
- This apparatus may comprise a seal interposed between a wall of the frame and an adjacent wall of the cooking appliance.
- An object of the invention is also to overcome the disadvantages of the prior art and to provide an acceptable solution for the realization of identical plate covers and different frames for a reasonable cost.
- the present invention thus also relates to a method of manufacturing a cover comprising at least one cooking plate and a frame made of plastic or a mixture of plastics extending at least partly around the periphery of said plate, said hood being intended to cooperate with a base on which at least one heating element is attached to make it possible to produce a cooking appliance, in particular a mobile cooking appliance, having a bottom, at least one side wall and an upper cooking surface, characterized in that said plate and said frame are manufactured separately, said plate being introduced into a groove of said frame when the frame is hot and said frame being fixed to said plate by retraction of the material constituting said frame.
- the method according to the invention thus relies on the use of a property that is otherwise known from plastics, the removal of the material during molding, to propose a particular method of assembly and cooperation between the cooking plate and the frame. .
- the hob is introduced into a groove of the frame when it is hot and the frame cooling thereafter, operates on the adjacent wall of the plate a surface pressure.
- the frame is manufactured by molding, but this manufacture is less expensive than in the case of encapsulation because the molds are simpler; the direct molding of the frame is also easier to implement than the encapsulation because the closing pressures of the half-molds are lower and there is of course no risk of breaking the hob during molding of the frame since the plate is not present in the mold.
- the frame is not cooled between its manufacture and its attachment to said plate.
- the hob is thus preferably introduced into the groove of the frame in the minutes following the manufacture of the frame to not maintain the hot frame too long.
- said frame is cooled between its manufacture and its attachment to said plate.
- the frame is thus heated to a temperature to introduce the plate in the groove of the frame, then the frame is cooled when the plate is in the groove.
- said frame is fixed to said plate so as to embed at least one edge of said plate, that is to say to embed an upper edge, a edge and a lower edge of the plate.
- said frame is fixed to said plate so as not to extend vertically beyond the upper surface of said plate, that is to say that the frame is adjacent to the singing and at the bottom edge of the plate.
- the present invention also relates to a hood comprising at least one cooking plate and a frame extending at least partly around the periphery of said plate, said hood being intended to cooperate with a base on which at least one element is fixed. heating to allow to realize a cooking appliance, in particular a mobile cooking appliance, said hood being obtained by the implementation of the method according to the invention.
- All sidewalls of the cooking appliance may (or may) be integral to either the base of the appliance or the hood.
- the frame forms all or part only of said upper cooking surface, or the frame forms all or part of said upper cooking surface and all or part of at least one side wall of the cooking appliance.
- the frame has a U-shaped cross section, this form embedding at least one edge of said cooking plate;
- the frame has an L-shaped cross-section, the base of the L being positioned opposite the edge of said plate and the flange of the L being positioned under a lower edge of the cooking plate;
- the frame has a cross-sectional shape F, the two wings of the F embedding an edge of said cooking plate so that the portion of the trunk of the
- the frame has a cross-sectional shape in r, the upper end of the trunk of the r being positioned vis-à-vis the edge of said cooking plate, the lower end of the trunk of the r realizing at least a part side wall and the wing of the r being positioned under a lower edge of the cooking plate.
- the hood according to the invention may further comprise control means, these control means then being preferably integrated in the frame.
- the present invention also relates to a cooking appliance, in particular a mobile cooking appliance, having a bottom, at least one side wall and an upper cooking surface, said appliance comprising a base on which at least one heating element is fixed and comprising a hood according to the invention.
- the base of the device can have a bottom view of a shape for example circular, triangular, rectangular, square, trapezoidal, ... and the cover closing the base can present seen from above a circular, triangular, rectangular, square, trapezoidal shape , ... preferably identical to that of the horizontal section of the base.
- the present invention also relates to the use of a hood according to the invention to close in a liquid-tight manner a base on which is fixed at least one heating element to form a cooking appliance.
- the present invention also relates to the use of several hoods according to the invention having different dimensions for closing each in a liquid-tight manner a base on which is fixed at least one heating element to form cooking appliances having different dimensions, the dimensions of said plates being identical.
- the present invention thus proposes a particular configuration of a frame for a cooking plate making it possible to produce on all or part of at least the upper periphery of the plate a retaining flange and / or anti-spilling.
- the present invention also proposes a method of manufacturing a hood for a cooking appliance which is simple and inexpensive to implement, in particular for small series, when the required configurations change from one series to another .
- the present invention makes it possible in particular to propose to cooking appliance manufacturers small series of hoods having different configurations, these hoods however incorporating identical cooking plates, manufactured in very large series.
- the hob is preferably chosen glass-ceramic so as not to heat up in its part in contact with the frame, there is no risk of separation of the plate following the losses of mechanical property of the frame by propagation of heat.
- the cooktop is not glass-ceramic, it is necessary to choose the material constituting the frame so that it does not soften at the operating temperatures of the cooking appliance, to avoid separation plate and frame.
- FIG. 1 illustrates a schematic perspective view of a portable cooking apparatus according to the invention
- FIG. 2 illustrates a cross-sectional view along AA of FIG. 1 of a parallelepipedal frame variant with external edges recessed with respect to the edge of the plate;
- FIG. 3 illustrates a cross-sectional view along AA of FIG. 1 of a parallelepipedal frame variant with external edges in the continuity of the edge of the plate;
- FIG. 4 illustrates a cross-sectional view along AA of FIG. 1 of a variant with a parallelepipedal frame with external edges projecting with respect to the edge of the plate;
- FIG. 5 illustrates a cross-sectional view along AA of FIG. 1 of a variant with an r-shaped frame
- FIG. 6 illustrates a cross-sectional view along AA of FIG. 1 of a variant with a U-shaped frame, corresponding to a first embodiment of the hood of the cooking appliance according to the invention
- FIG. 7 illustrates a cross-sectional view along AA of FIG. 1 of a variant with a T-shaped frame
- FIG. 8 illustrates a cross-sectional view along AA of FIG. 1 of a variant with a + -shaped frame
- FIG. 9 illustrates a cross-sectional view along AA of FIG. 1 of a variant with a J-shaped frame
- Figure 10 illustrates an exploded view of the apparatus of Figure 1;
- FIG. 11 illustrates a diagrammatic exploded view of a variant of the apparatus of FIG. 1 according to which the frame of the cover incorporates control means of the apparatus;
- FIG. 12 illustrates a cross-sectional view at the level of the heating element of an F-shaped frame variant corresponding to a third embodiment of the hood of the cooking appliance according to the invention;
- Figure 13 illustrates an exploded schematic view of the cooking apparatus of Figures 12 and 15;
- FIG. 14 illustrates a cross-sectional view along AA of FIG. 1 of an L-shaped frame variant corresponding to a second variant embodiment of the hood of the cooking appliance according to the invention
- FIG. 15 illustrates a cross-sectional view at the level of the heating element of an R-shaped frame variant corresponding to a fourth embodiment of the hood of the cooking appliance according to the invention
- FIG. 16 illustrates the essential step of forming the cover according to the invention with a first type of thin-walled frame
- FIG. 17 illustrates a partial cross-sectional view of the hood after the forming step illustrated in FIG. 16;
- FIG. 18 illustrates the essential step of forming the hood according to the invention with a second type of wide-walled frame
- FIG. 19 illustrates a partial cross-sectional view of the hood after the forming step illustrated in FIG. 18.
- FIG. 1 illustrates an exemplary embodiment of a cooking appliance (6) according to the invention comprising a base (4) and a hood (1).
- the apparatus illustrated here thus has a parallelepipedal general shape, both horizontally and vertically, but any other shape is conceivable.
- the apparatus illustrated here is a mobile cooking appliance, which can be positioned for example on a work surface or on a dining table and which can be moved manually; however, the present invention also applies to so-called "integrated" cooking appliances, which are installed in a bay formed in a worktop or in a stove and which, once installed and fixed, can no longer be moved.
- the cover (1) cooperates with the base (4) to allow the cooking apparatus to be produced, that is to say that the cover (1) closes the base (4) to form a box, preferably sealed to liquids for safety reasons.
- This cooperation can be of different types; it may be in particular a fixing with screws, a clipping or a collage.
- the apparatus thus closed has a bottom (11), side walls (12, 13, 14, 15) here four in number and an upper cooking surface (16).
- the cover (1) forms at least the cooking surface (16) and comprises at least one cooking plate (2) and a frame (3) made of plastic or a mixture of plastics extending at least partly at the periphery of said plate.
- the base (4) of the apparatus integrates at least the bottom (11) and forms a base on which is fixed at least one heating element (5), as can be seen in particular in FIGS. 2 to 9, which is in contact or almost in contact with a lower surface (25) of the cooking plate (2) which is positioned towards the inside of the appliance when the base is closed by the hood.
- the upper surface of the cooking plate (2) which is positioned towards the outside of the appliance when the base is closed by the hood constitutes a cooking surface (26).
- the cooking plate (2) further has a edge (20) positioned here substantially vertically.
- heating element For simplicity, only one heating element is shown here, but there may be two, three, four or more.
- heating elements such as radiant or halogen elements and / or at least one gas burner and / or at least one induction heating coil. Moreover, for simplicity also, the power supply of the heating element has not been illustrated.
- the cooking plate (2) is here a glass-ceramic plate and the heating element is a radiant element.
- the cover (1) comprises a single cooking plate (2) and a single frame (3) extending over the entire periphery of said plate.
- the side walls (12, 13, 14, 15) of the apparatus may be fully integrated with the base (4), as shown in Figures 1 to 11, or be fully integrated with the hood (1), as shown in Figs. 12 , 13 and 15. It is also possible that some side walls, such as the front and rear walls, are integrated in the base and others, as for example then the left and right walls, hood, or that some side walls, or all side walls, are integrated in the lower part at the base and in the upper part of the hood.
- the frame (3) cooperates with said cooking surface (26) of the plate (2) so that an inner wall (31) of the frame, that is to say a wall oriented towards the center of the cooking appliance, recessed towards the center of said plate (2) relative to the edge (20) of this plate and thus recessed towards the center of the cooking appliance.
- the frame (3) has a thickness e at the cooking surface (26).
- This thickness e is preferably at least 1 or 2 mm and in particular 3 or 4 mm or more above said cooking surface (26) of the plate, to allow forming a boss, with edges preferably straight, to allow the maintenance of the cooking utensils and prevent them from overturning.
- This shoulder also prevents a liquid or food spilled on the plate does not extend beyond the frame.
- the frame (3) furthermore has a width 1 of at least 2 mm and in particular of 3 or even 4 mm or more recessed towards the center of said plate ( 2) relative to the edge (20) of this plate. This width is not necessarily constant all around the frame.
- a bonding and / or sealing joint may be interposed between a wall of the frame (3) and the surface of the adjacent plate (2).
- a seal (9) for bonding and / or sealing may be interposed between a wall of the frame (3) and an adjacent wall (12, 13, 14, 15) of the cooking appliance.
- the frame (3) has in cross section a parallelepipedal shape and more precisely rectangular.
- the inner wall (31) of the frame is recessed towards the center of said plate (2), but the outer wall (33) of the frame, that is to say the wall facing away from the center of the cooking apparatus and said plate (2) has different configurations; this outer wall (33) of the frame (3) can be positioned: - withdrawing towards the center of said plate (2) relative to the edge (20) of this plate, as shown in FIG. 2, or
- the frame can thus cover an upper edge of the side walls (13, 15) of the apparatus.
- the frame (3) has a cross sectional shape r and is then positioned so that the trunk of the r is adjacent to the edge of the plate and that the wing of the r rests on the edge of the cooking surface (26).
- the frame (3) has a T-shaped cross section and is then positioned so that the trunk of the T is adjacent to the edge of the plate and that a wing of the T rests on the edge of the cooking surface (26).
- the other wing of the T can then rest on an upper edge of a side wall (13, 15) of the device, this edge being substantially at the same level as the cooking surface (26).
- the wings of the T may not be symmetrical with respect to the trunk and are not necessarily the same length or the same thickness.
- the frame (3) has a cross-sectional shape + and is then positioned so that the lower part of the trunk of the form + is adjacent to the edge of the plate and a wing of the + shape rests on the edge of the cooking surface (26).
- the other wing of the + form can then rest on an upper edge of a side wall (13, 15) of the apparatus, this edge being substantially at the same level as the cooking surface (26).
- the upper part of the trunk of the + which is located above the wings, then realizes an additional support boss, or when the wing of the + adjacent to the edge of the cooking surface has a low thickness, realizes the boss of main maintenance.
- This configuration is possible in particular when the flange of the + adjacent to the edge of the cooking surface is made in the form of a sealing lip of thickness e smaller than the thickness e 'of the additional holding boss.
- the wings of the + shape may not be symmetrical with respect to the trunk and are not necessarily the same length or the same thickness.
- the frame (3) encases at least one edge of said plate (2) and preferably two edges, in particular two opposite edges relative in the center of the plate, even all the edges of the plate.
- the frame (3) has a U-shaped cross section and is then positioned so that the base of the U is adjacent to the edge of the plate , that the upper flange of the U rests on the edge of the cooking surface (26) and that the lower flange of the U is positioned against the lower surface (25) of the plate.
- the wings of U may not be symmetrical with respect to the base and are not necessarily of the same length nor the same thickness.
- the frame (3) has a cross section J-shaped and is then positioned so that the trunk of the J is adjacent to the edge of the plate , that an upper wing of the J rests on the edge of the cooking surface (26) and that the lower wing of the J is positioned against the lower surface (25) of the plate.
- the other upper wing of the J can then rest on an upper edge of a side wall (13, 15) of the apparatus, this edge being substantially at the same level as the cooking surface (26).
- the wings of the J may not be symmetrical with respect to the trunk and are not necessarily the same length or the same thickness.
- the frame (3) has a cross sectional shape F and is then positioned so that the trunk of the F is adjacent to the edge of the plate , that the upper wing of the F rests on the edge of the cooking surface (26) and that the lower flange of the F is positioned against the lower surface (25) of the plate.
- the wings F may thus not be symmetrical and are not necessarily the same length or the same thickness.
- the frame (3) is located at the entire periphery of the upper cooking surface (16) of the cooking appliance.
- This frame (3) could also be located at only a portion of the periphery of the upper cooking surface (16) of the cooking appliance, such as for example the front and rear parts or on the contrary the side parts .
- the frame (3) is located at the entire periphery of the upper cooking surface (16) of the cooking appliance and forms all the side walls (12, 13, 14, 15) of this unit.
- the plate (2) may comprise control means, illustrated here with the help of two buttons. These control means are then, preferably integrated in the frame (3), as visible, for example in Figures 10, 11 and 13.
- the frame (3) has a U-shaped cross-section and is positioned in such a way that the base of the U is adjacent to the edge of the plate (2). and the wings of the U are adjacent to the upper and lower edges of the plate, so as to embed the edge of said cooking plate.
- the upper end of the frame (3) is above the upper surface of the plate (2).
- the frame (3) has an L-shaped cross-section and is positioned in such a way that the vertical wing of the L is adjacent to the edge of the plate (2). ) and that the lower horizontal base of the L is adjacent to the lower edge of the plate and under said plate.
- the upper end of the frame (3) is substantially in the extension of the upper surface of the plate (2).
- the frame (3) has a cross-sectional shape in F and is positioned in such a way that that the upper part of the trunk of the F which is located between the two parallel wings is positioned opposite the edge of the plate (2) and the two parallel wings of the F are adjacent to the upper and lower edges of the plate, so as to embed the edge of said cooking plate.
- the trunk of the F then forms the side walls (12, 13, 14, 15) and this trunk cooperates in its lower part with the bottom (11) of the base (4).
- the frame (3) has a r-shaped cross-section and is positioned in such a way that the upper part of the trunk of the r which is situated above the horizontal flange is positioned vis-à-vis the edge of the plate (2) and the horizontal flange of the r is adjacent to the lower edge of the plate and under said plate.
- the trunk of the r then forms the side walls (12, 13, 14, 15) and this trunk cooperates in its lower part with the bottom (11) of the base (4).
- FIG. 16 illustrates the essential step of the method of manufacturing a frame according to the invention for producing the first variant of the frame: said plate (2) and said frame (3) having been manufactured separately, the plate (2 ) is introduced into a groove (10) of said frame (3) when the one is hot.
- FIG. 17 Fixing the frame (3) to said plate (2) after cooling and shrinking the material constituting the frame (3) is illustrated in FIG. 17.
- the frame (3) has a thin wall of a width 1, relatively small, corresponding substantially to twice the thickness of the plate (2).
- the frame (3) has a wide wall of a relatively large width l ', here corresponding substantially to six times the thickness of the plate (2).
- FIG. 18 illustrates the step of introducing the plate (2) into the groove (10) of the wide-walled frame (3) and FIG. 19 illustrates the attachment of the wide-walled frame (3) to said plate (2). ) after cooling and shrinking the material constituting the frame (3). After cooling, the cover (1) can be fixed to the base (4) with appropriate means.
- the frame (3) consists of a material having a linear shrinkage coefficient sufficient to allow the invention to be implemented, in particular greater than 0.25, even 0.5, even 0.75, or even more 1.
- the cover (1) may comprise control means, illustrated here with two buttons. These control means are then, preferably integrated in the frame (3), as visible, for example in Figures 10, 11 and 13.
- the method of manufacturing covers according to the invention is particularly useful for the manufacture of several series of covers (1) when from one series to another the covers have different dimensions.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Baking, Grill, Roasting (AREA)
- Cookers (AREA)
- Electric Stoves And Ranges (AREA)
- Combinations Of Kitchen Furniture (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06794504A EP1913307A2 (fr) | 2005-08-02 | 2006-07-27 | Plaque de cuisson, appareil de cuisson, capot pour cet appareil et procede de fabrication de la plaque du capot |
US11/997,566 US20100155387A1 (en) | 2005-08-02 | 2006-07-27 | Hotplate cooker cover for said cooker and method for production of the hotplate and cover |
JP2008524555A JP2009503429A (ja) | 2005-08-02 | 2006-07-27 | 加熱板調理器用のカバー、ならびに加熱板およびカバーの作製方法 |
KR1020147005022A KR20140034323A (ko) | 2005-08-02 | 2006-07-27 | 쿠커의 핫플레이트 쿠커 커버 그리고 핫플레이트 및 커버 제조 방법 |
CN2006800283894A CN101233370B (zh) | 2005-08-02 | 2006-07-27 | 烧烤板,烧烤装置,用于该装置的盖和生产所述板和盖的方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0552420A FR2889580B1 (fr) | 2005-08-02 | 2005-08-02 | Plaque de cuisson, appareil de cuisson et procede de fabrication de la plaque |
FR0552420 | 2005-08-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007015024A2 true WO2007015024A2 (fr) | 2007-02-08 |
WO2007015024A3 WO2007015024A3 (fr) | 2007-08-16 |
Family
ID=35931808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2006/050753 WO2007015024A2 (fr) | 2005-08-02 | 2006-07-27 | Plaque de cuisson, appareil de cuisson, capot pour cet appareil et procede de fabrication de la plaque et du capot |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100155387A1 (fr) |
EP (1) | EP1913307A2 (fr) |
JP (1) | JP2009503429A (fr) |
KR (2) | KR20140034323A (fr) |
CN (3) | CN2936077Y (fr) |
FR (1) | FR2889580B1 (fr) |
WO (1) | WO2007015024A2 (fr) |
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US20130186886A1 (en) * | 2010-03-13 | 2013-07-25 | Electrolux Home Products Corporation N.V. | Cooking hob |
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US9128317B2 (en) * | 2012-10-29 | 2015-09-08 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal module having F-type frames and assembly method thereof |
KR20150021368A (ko) * | 2013-08-20 | 2015-03-02 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
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US7307125B2 (en) * | 2004-12-15 | 2007-12-11 | Ferro Corporation | Thermoplastic olefin compositions and injection molded articles made thereof |
-
2005
- 2005-08-02 FR FR0552420A patent/FR2889580B1/fr not_active Expired - Fee Related
- 2005-09-30 CN CNU2005201292304U patent/CN2936077Y/zh not_active Expired - Lifetime
-
2006
- 2006-07-27 CN CN200910215905A patent/CN101779926A/zh active Pending
- 2006-07-27 KR KR1020147005022A patent/KR20140034323A/ko active Search and Examination
- 2006-07-27 JP JP2008524555A patent/JP2009503429A/ja active Pending
- 2006-07-27 CN CN2006800283894A patent/CN101233370B/zh not_active Expired - Fee Related
- 2006-07-27 KR KR1020087002618A patent/KR20080030646A/ko active Search and Examination
- 2006-07-27 US US11/997,566 patent/US20100155387A1/en not_active Abandoned
- 2006-07-27 EP EP06794504A patent/EP1913307A2/fr not_active Withdrawn
- 2006-07-27 WO PCT/FR2006/050753 patent/WO2007015024A2/fr active Application Filing
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009266465A (ja) * | 2008-04-23 | 2009-11-12 | Panasonic Corp | 組込み型誘導加熱調理器 |
US20130186886A1 (en) * | 2010-03-13 | 2013-07-25 | Electrolux Home Products Corporation N.V. | Cooking hob |
US9867236B2 (en) * | 2010-03-13 | 2018-01-09 | Electrolux Home Products Corporation N.V. | Cooking hob |
Also Published As
Publication number | Publication date |
---|---|
WO2007015024A3 (fr) | 2007-08-16 |
KR20080030646A (ko) | 2008-04-04 |
KR20140034323A (ko) | 2014-03-19 |
CN2936077Y (zh) | 2007-08-22 |
FR2889580A1 (fr) | 2007-02-09 |
CN101233370A (zh) | 2008-07-30 |
EP1913307A2 (fr) | 2008-04-23 |
JP2009503429A (ja) | 2009-01-29 |
FR2889580B1 (fr) | 2013-11-22 |
CN101233370B (zh) | 2011-06-01 |
US20100155387A1 (en) | 2010-06-24 |
CN101779926A (zh) | 2010-07-21 |
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