WO2004023951A1 - Utensilio de cocción con fondo adaptado para calentamiento por inducción. - Google Patents
Utensilio de cocción con fondo adaptado para calentamiento por inducción. Download PDFInfo
- Publication number
- WO2004023951A1 WO2004023951A1 PCT/ES2003/000459 ES0300459W WO2004023951A1 WO 2004023951 A1 WO2004023951 A1 WO 2004023951A1 ES 0300459 W ES0300459 W ES 0300459W WO 2004023951 A1 WO2004023951 A1 WO 2004023951A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cooking utensil
- disk
- container
- protuberances
- lugs
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/34—Supports for cooking-vessels
Definitions
- the present invention relates to a cooking utensil in particular a cooking vessel such as a pan, pan or pot, with a bottom adapted for an induction cooker.
- metal containers such as those obtained for example by aluminum injection smelting technology, while maintaining their functionality for different types of heat transfer and in particular are suitable for electric, gas or ceramic hobs where heating
- the container is produced by direct contact with an electric resistance, with the flame produced by the combustion of the gas or through a special vitrified surface, respectively, they are not suitable for induction cookers where the heating of the utensil is carried out taking advantage of the phenomenon of the magnetic induction, in which a magnetic field of variable intensity produces a heating of the ferrous materials that are within its reach.
- Patent ES-A-2002980 proposes a kitchen container in whose bottom an intermediate thermofusion metal plate is fixed and under said plate a ferromagnetic stainless steel lining, the joint being made between the elements by welding.
- Patent ES-A-2108284 describes a culinary utensil with thermoconductive bottom with a metallic foil provided with perforations attached to the outer face of said bottom in the casting operation, using the creep of the metal to fill said perforations.
- the ES-A-2135632 patent proposes a kitchen utensil with a metal plate or plate equipped with openings that receive filling parts of a ferromagnetic material, the assembly being joined by a laser beam weld at the bottom of a container austenitic steel
- Patent application DE-A-3713660 describes a cooking utensil made of fusion molded aluminum, preferably a pan, integrating at least one solid metal part attached to the outside of its bottom in the melting operation with aluminum .
- Patent application EP-A-722688 describes a culinary utensil with a high temperature pressure joined piece to the outer face of its bottom.
- Patent application WO-A-97/09136 describes a method for manufacturing a piece of metal intended to constitute the bottom of a cooking utensil, obtained by forging by rolling mill by plastic deformation of the metal and in whose construction process it is envisaged, in a of the variants, the inclusion of induction heated metal parts integrated with the metal part in the forging operation.
- the object of the present invention provides an embodiment where a very firm and stable union is achieved against the dilations and / or deformations that occur at the level of the bottom between a ferromagnetic plate and the bottom of a utensil of aluminum cooking on whose outer face joins the first.
- the harmful effects of the thermal action of the most pronounced heating means are reduced in the event that said bottom comprises several layers of materials of different composition, as in Most of the background cited.
- the constitution of the utensil proposed here represents an important simplification of the manufacturing means and therefore a significant cost savings.
- the cooking utensil that is proposed is of the type comprising a container in a first material which in its The bottom and its outer face have a heat distribution or diffuser plate integrated in a second, different, thermoconductive material, said outer face of the bottom of the container being provided with a plurality of protuberances (of various configurations) or advantageously equi-spaced lugs and said heat distributing plate being constituted by a disc in a ferromagnetic material provided with a number of perforations or openings equivalent to that of protuberances or lugs and distributed in a timely manner to allow the coupling of said disc, attached on said bottom, with correspondence and insertion of said protrusions that are passed through the aforementioned perforations, the disc being attached to the bottom by riveting such protuberances, with a further polishing of the outer surface of the disk or support base of the utensil.
- the container will be made of aluminum obtained by an injection casting process.
- Said disc will preferably be a stainless steel plate so that a light and handy cooking utensil is obtained and suitable for all kinds of heating sources, in particular for an induction cooker.
- a pressing process is carried out, acting on the one hand on the bottom and on the other side on the face of the disk, with a magnitude pressure considerable variable according to the type of utensil and for example of the order of about 80 to 110 tons of force with which the aluminum material of the protuberances or lugs expands and is completely imprisoned in the material of the disk and on it, exerting a riveting function.
- polishing of the outer face of said disc in diffuser functions offers an adequate finish of the support surface of the utensil.
- the container integrates an annular partition that surrounds the outer surface of its bottom plane defining a flattened housing suitable for receiving said ferromagnetic disk receiver and heat diffuser fitted, the height of the partition being slightly lower than that of said protuberances or studs and the ferromagnetic disc remaining, once coupled by tightening and with the studs inserted in the holes and rivets, substantially coplanar with the edge of said partition.
- the design and positioning of the aforementioned protrusions or lugs is such that it allows the two pieces of the bottom of the aluminum bowl and disc in stainless steel to remain attached without slack even though very high temperatures are reached and despite the fact that the aluminum and steel undergo dilations different.
- Fig. 1 shows an elevation view, with partial section of the bottom of a cooking utensil according to the invention, before receiving a ferromagnetic heat diffuser plate or disk coupled, appreciating the presence of a series of protuberances , in this case in the form of lugs in the outer plane of the bottom of the utensil.
- Fig. 2 shows a plan view of said diffuser disk.
- FIG. 3, 4, and 5 are sections by I-I, ll-ll and lll-lll of various bottom lugs in Fig. 1.
- Figures 6 and 7 show the situation prior to the assembly of the diffuser disk and the subsequent situation of coupling thereof on said bottom.
- Fig. 8 is an enlarged detail of the arrangement adopted by the diffuser disk before the riveting operation by means of a suitable press machine and
- Fig. 9 illustrates the final situation after the pressing and polishing operation that provides a riveting joint between the two elements, container and disc and a flat, regular finish of the support plane of the utensil.
- the figures. 10 and 11 show another set of cooking utensil and receiver disc and diffuser of heating energy, both with a different number of lugs and perforations, in the situation prior to the union of both elements.
- Fig. 11 shows an example of configuration and distribution protuberance different from that of the lugs illustrated in the preceding figures.
- the proposed cooking utensil comprises a container 10, such as a pan, pot, casserole or similar, in a first material such as aluminum that provides lightness and manageability, whose container has integrated into the outer face of its bottom a distributor plate or heat diffuser, consisting of a disc 11 or stainless steel plate.
- the outer surface 12 of the bottom of the container 10 has a plurality of spaced protrusions or lugs 13 and said stainless steel disk 11 has a number of perforations 14 equivalent to that of the lugs 13 distributed in a timely manner to allow the coupling of said disk 11 attached to the outer face of said bottom, with insertion of the lugs 13 that are passed through the perforations 14, the disc 11 being attached to the bottom by riveting the lugs 13 by means of a pressing operation acting on one side on the bottom of the container 10 and on the other hand on the disk 11, and subsequently proceeding to a polishing or grinding operation of the outer surface of the disk 11 that will form the support base of the utensil.
- the aforementioned pressing operation will be carried out advantageously by means of a hydraulic press equipped with a suitable set of manipulators to position, attach and rivet the bottom and disk assembly in an automated manner such as a transfer machine that has not been represented, with positioning stations of both elements bottom of the utensil and disc coupled, station for checking the position of the diffuser disc, hydraulic riveting station and automatic download station.
- Fig. 1 it can be seen that the bottom of the container 10 has an annular partition 15 that surrounds the outer surface of its bottom plane defining an open, flattened housing 16 suitable for receiving said diffuser disk 11, the height of the partition being 15 slightly lower than that of said lugs 13 so that the disk 11, once coupled and with the lugs 13 inserted in the holes 14 is coplanar with the edge of said partition 15 as can be seen in Fig. 9.
- the aforementioned studs 13 are frustoconical and are distributed according to several concentric circumferential alignments.
- the lugs 13 belonging to different alignments will have a different thickness and in an equivalent manner the perforations 14 provided for their passage through the disk 11 will be of a suitable passage. This ensures that the stresses in the material due to thermal expansion are different in different areas, improving overall stability.
- Fig. 12 another form of the protuberances 13 is shown as well as a different distribution thereof.
- the container 10 will be made of aluminum obtained by injection molding and said diffuser disk 11 attached to the outer surface of its bottom is made of stainless steel.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03748142A EP1541072B1 (en) | 2002-09-12 | 2003-09-11 | Cooking utensil comprising an induction-heating base |
US10/527,658 US7319211B2 (en) | 2002-09-12 | 2003-09-11 | Cooking utensil with bottom wall adapted for induction heating |
BR0306330-5A BR0306330A (pt) | 2002-09-12 | 2003-09-11 | Utensìlio para cozinhar com um fundo adaptado para aquecimento por indução |
AU2003267455A AU2003267455A1 (en) | 2002-09-12 | 2003-09-11 | Cooking utensil comprising an induction-heating base |
SI200331116T SI1541072T1 (sl) | 2002-09-12 | 2003-09-11 | Kuhalna priprava, ki obsega indukcijsko grelno podlago |
DK03748142T DK1541072T3 (da) | 2002-09-12 | 2003-09-11 | Kogegrej omfattende en induktionsvarmebasis |
DE60317351T DE60317351T2 (de) | 2002-09-12 | 2003-09-11 | Kochgerät mit einer induktionsheizbasis |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200202247U ES1052835Y (es) | 2002-09-12 | 2002-09-12 | Utensilio de coccion con fondo adaptado para calentamiento por induccion. |
ESU200202247 | 2002-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004023951A1 true WO2004023951A1 (es) | 2004-03-25 |
Family
ID=8502098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2003/000459 WO2004023951A1 (es) | 2002-09-12 | 2003-09-11 | Utensilio de cocción con fondo adaptado para calentamiento por inducción. |
Country Status (11)
Country | Link |
---|---|
US (1) | US7319211B2 (es) |
EP (1) | EP1541072B1 (es) |
AT (1) | ATE377374T1 (es) |
AU (1) | AU2003267455A1 (es) |
BR (1) | BR0306330A (es) |
CY (1) | CY1107880T1 (es) |
DE (1) | DE60317351T2 (es) |
DK (1) | DK1541072T3 (es) |
ES (2) | ES1052835Y (es) |
PT (1) | PT1541072E (es) |
WO (1) | WO2004023951A1 (es) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2276585B1 (es) * | 2005-04-29 | 2008-03-01 | Isogona, S.L. | Procedimiento para la fabricacion de utensilios de cocina y utensilio obtenido. |
ES2263385B1 (es) * | 2005-05-20 | 2007-12-01 | Comercial Valira, S.A. | "metodo para la fabricacion de un util de coccion y util de coccion resultante del mismo". |
NL2000080C2 (nl) * | 2006-05-23 | 2007-11-26 | Ferro Techniek Holding Bv | Inrichting voor het verwarmen van vloeistoffen. |
ITMN20060054A1 (it) * | 2006-08-08 | 2008-02-09 | Attrezzeria Mv & C Snc | Fondo supplementare atto ad essere fissato alla superficie esterna del fondo di un recipiente |
US7989012B2 (en) * | 2007-09-26 | 2011-08-02 | Kellogg Company | Induction cooking structure and system and method of using the same |
CN201167839Y (zh) | 2008-03-26 | 2008-12-24 | 拉蒙·卡斯泰·多明格斯 | 感应加热烹饪用具 |
US20100025410A1 (en) * | 2008-08-01 | 2010-02-04 | Chih Hung Chiu | Container |
IT1393002B1 (it) * | 2009-02-12 | 2012-04-02 | Tvs Spa | Procedimento per la produzione di pentole e simili, e pentola realizzata con tale procedimento |
IT1396558B1 (it) * | 2009-02-13 | 2012-12-14 | Ballarini Paolo & Figli Spa | Contenitore da cottura in alluminio utilizzabile su piani ad induzione |
FI124407B (fi) | 2009-11-26 | 2014-08-15 | Iittala Group Oy Ab | Induktiokuumennukseen soveltuva keittoastia ja menetelmä sen valmistamiseksi |
EP2371248B1 (en) | 2010-03-31 | 2012-12-12 | Castey Dominguez, Ramon | Kitchen utensil adapted for induction cooking |
USD710647S1 (en) | 2012-10-28 | 2014-08-12 | Ralph Mandil | Cookware |
ITBG20120018A1 (it) * | 2012-04-04 | 2013-10-05 | Tmt S R L | Procedimento realizzativo di accoppiamenti stabili irreversibili tra elementi piani, particolarmente per la produzione di pentolame idoneo a cottura per induzione elettrica |
ITAN20120084U1 (it) * | 2012-04-06 | 2013-10-07 | Alluflon Spa | Recipiente di cottura. |
FR3006161B1 (fr) * | 2013-05-30 | 2015-12-04 | Seb Sa | Recipient de cuisson comportant une plaque de fond munie de moyens d'accroche ameliores |
US20150245419A1 (en) * | 2014-02-25 | 2015-08-27 | Whirlpool Corporation | Glass pan having an electromagnetically formed induction layer |
CN103908148A (zh) * | 2014-03-28 | 2014-07-09 | 佛山市顺德区美的电热电器制造有限公司 | 复底锅及其制作方法和烹饪器具 |
USD774350S1 (en) | 2015-04-23 | 2016-12-20 | E. Mishan & Sons, Inc. | Base for cookware |
USD825255S1 (en) | 2015-11-17 | 2018-08-14 | Tristar Products, Inc. | Griddle |
USD825980S1 (en) | 2015-11-17 | 2018-08-21 | Ke M.O. House Co., Ltd. | Pan |
USD772641S1 (en) * | 2015-12-01 | 2016-11-29 | Tristar Products, Inc. | Pan |
USD778103S1 (en) * | 2015-12-01 | 2017-02-07 | Tristar Products, Inc. | Pan |
IT201700108580A1 (it) * | 2017-09-28 | 2019-03-28 | Latini Elio E C Sas | Sistema per il suporto di contenitori su piani cottura con riscaldamento ad induzione |
US11364706B2 (en) * | 2018-12-19 | 2022-06-21 | All-Clad Metalcrafters, L.L.C. | Cookware having a graphite core |
CN115041972B (zh) * | 2022-07-11 | 2024-02-23 | 浙江炊大王炊具有限公司 | 一种锅具自动化复底拉伸车口生产线及工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544818A (en) * | 1982-07-29 | 1985-10-01 | Asahi Giken Kogyo Kabushiki Kaisha | Cooking utensil for induction cooking apparatus |
EP0648458A1 (de) * | 1993-10-14 | 1995-04-19 | Firma Alfred Herzog | Kochgeschirr mit einer Aluminiumbodenplatte |
FR2739998A1 (fr) * | 1995-10-13 | 1997-04-18 | Kobe Steel Ltd | Recipient pour plaque de cuisson electromagnetique et procede de fabrication de celui-ci |
DE10033057A1 (de) * | 1999-11-02 | 2001-05-10 | Sung Chang Mart Co | Kochvorrichtung des elektromagnetischen Induktionstyps |
JP2003102616A (ja) * | 2001-09-28 | 2003-04-08 | Hokuriku Aluminum Kk | 電磁誘導加熱器対応調理鍋およびその製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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ES269304A1 (es) | 1961-07-22 | 1961-11-16 | Gire Soler Francisco | Perfeccionamientos en los marcos metalicos para estampaciën |
ES2002980A6 (es) | 1987-03-03 | 1988-10-01 | Bezlies S A | Recipiente de cocina |
DE3713660A1 (de) | 1987-04-24 | 1988-11-17 | Gastrolux Gmbh | Kochgeschirr aus aluminiumguss und verfahren zur herstellung desselben |
FR2693093B1 (fr) | 1992-07-06 | 1994-09-02 | Seb Sa | Ustensile culinaire à fond thermoconducteur. |
JPH06215862A (ja) * | 1993-01-20 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 電磁誘導加熱調理器用の被加熱調理具 |
DE4421904C2 (de) | 1994-06-24 | 1998-05-28 | Vesta Ag & Co Ohg | Topfförmiges Gar- und/oder Kochgerät |
IT1282182B1 (it) | 1995-01-20 | 1998-03-16 | Ronda Europa Spa | Fondello metallico a spessore variabile particolarmente per pentole o simili |
AU6306396A (en) | 1995-09-05 | 1997-03-27 | Konetuote Piispanen Oy | Method for manufacturing a formed piece of metal |
EP1052055A1 (en) * | 1999-05-04 | 2000-11-15 | Società Italiana Pentole S.p.A. | Process for the manufacture of cooking vessels and vessel obtained according to such process |
JP2003061819A (ja) * | 2001-08-24 | 2003-03-04 | Yokoyama:Kk | 加熱調理容器 |
-
2002
- 2002-09-12 ES ES200202247U patent/ES1052835Y/es not_active Expired - Fee Related
-
2003
- 2003-09-11 PT PT03748142T patent/PT1541072E/pt unknown
- 2003-09-11 EP EP03748142A patent/EP1541072B1/en not_active Expired - Lifetime
- 2003-09-11 AT AT03748142T patent/ATE377374T1/de active
- 2003-09-11 DK DK03748142T patent/DK1541072T3/da active
- 2003-09-11 AU AU2003267455A patent/AU2003267455A1/en not_active Abandoned
- 2003-09-11 BR BR0306330-5A patent/BR0306330A/pt not_active Application Discontinuation
- 2003-09-11 ES ES03748142T patent/ES2297191T3/es not_active Expired - Lifetime
- 2003-09-11 US US10/527,658 patent/US7319211B2/en not_active Expired - Fee Related
- 2003-09-11 DE DE60317351T patent/DE60317351T2/de not_active Expired - Lifetime
- 2003-09-11 WO PCT/ES2003/000459 patent/WO2004023951A1/es active IP Right Grant
-
2008
- 2008-02-07 CY CY20081100153T patent/CY1107880T1/el unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544818A (en) * | 1982-07-29 | 1985-10-01 | Asahi Giken Kogyo Kabushiki Kaisha | Cooking utensil for induction cooking apparatus |
EP0648458A1 (de) * | 1993-10-14 | 1995-04-19 | Firma Alfred Herzog | Kochgeschirr mit einer Aluminiumbodenplatte |
FR2739998A1 (fr) * | 1995-10-13 | 1997-04-18 | Kobe Steel Ltd | Recipient pour plaque de cuisson electromagnetique et procede de fabrication de celui-ci |
DE10033057A1 (de) * | 1999-11-02 | 2001-05-10 | Sung Chang Mart Co | Kochvorrichtung des elektromagnetischen Induktionstyps |
JP2003102616A (ja) * | 2001-09-28 | 2003-04-08 | Hokuriku Aluminum Kk | 電磁誘導加熱器対応調理鍋およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
ES1052835Y (es) | 2003-06-01 |
ES1052835U (es) | 2003-02-16 |
DE60317351T2 (de) | 2008-08-28 |
CY1107880T1 (el) | 2013-06-19 |
US20060096467A1 (en) | 2006-05-11 |
EP1541072A1 (en) | 2005-06-15 |
US7319211B2 (en) | 2008-01-15 |
AU2003267455A1 (en) | 2004-04-30 |
DK1541072T3 (da) | 2008-03-25 |
DE60317351D1 (de) | 2007-12-20 |
PT1541072E (pt) | 2008-02-14 |
BR0306330A (pt) | 2004-09-28 |
ATE377374T1 (de) | 2007-11-15 |
EP1541072B1 (en) | 2007-11-07 |
ES2297191T3 (es) | 2008-05-01 |
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