US20110089153A1 - combination structure of bottom of pan (kettle) body and heating apparatus - Google Patents

combination structure of bottom of pan (kettle) body and heating apparatus Download PDF

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Publication number
US20110089153A1
US20110089153A1 US12/579,443 US57944309A US2011089153A1 US 20110089153 A1 US20110089153 A1 US 20110089153A1 US 57944309 A US57944309 A US 57944309A US 2011089153 A1 US2011089153 A1 US 2011089153A1
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Prior art keywords
alloy plate
pan
aluminum alloy
kettle
aluminum
Prior art date
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Abandoned
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US12/579,443
Inventor
Yao Tsung Kao
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Individual
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Priority to US12/579,443 priority Critical patent/US20110089153A1/en
Publication of US20110089153A1 publication Critical patent/US20110089153A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
    • B23K20/2275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer the other layer being aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
    • B23K20/2336—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer both layers being aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
    • B23K35/002—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of light metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B23K2103/20—Ferrous alloys and aluminium or alloys thereof

Definitions

  • the present invention relates to an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, and more particularly to the improvement which includes weld-bonding an aluminum alloy plate or aluminum block of similar or dissimilar materials to the bottom of a pan (kettle) body, wherein the outer side of the aluminum alloy plate or aluminum block can be molded by die casting or casting to embed an electric heating tube therein, or the aluminum alloy plate or aluminum block is preheated to a certain temperature, the softened aluminum alloy plate or aluminum block is formed with an accommodating groove for accommodating an electric heating tube, the above-described aluminum alloy plate or aluminum block and the bottom of the pan (kettle) body are joined by high speed friction heat welding, and then the electric heating tube is clamped and fixed within the accommodating groove of the aluminum alloy plate or aluminum block, or an electric heating tube is embedded in an aluminum block which is then friction welded to the pan (kettle) such that the bottom of the pan (kettle) body can be quickly weld-bonded to the aluminum alloy plate or the aluminum block.
  • the bottom of the pan body of similar or dissimilar materials is coated with a flux.
  • An aluminum alloy plate is closely attached to the bottom surface of the pan body and the surface thereof is instantly melted such that the aluminum alloy plate and the surface of the pan body are welded to form one piece.
  • an electric heating tube is attached and instantaneously welded to the other surface of the aluminum alloy plate so as to weld the electric heating tube to the surface of the aluminum alloy plate on the bottom of the pan body.
  • such method requires use of a flux to weld the aluminum alloy plate and the electric heating tube to the pan body, and it also takes longer welding time. High temperature resulted from the step of rising the temperature to soften the metal and from the instant welding process would result in deformed products and thus cause a high defective percentage.
  • the present invention relates to an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, wherein an aluminum alloy plate or aluminum block of similar or dissimilar materials is weld-bonded to the bottom of a metallic pan (kettle) body which can be of a metal material such as stainless steel, aluminum alloy, iron, or the like, wherein the outer edge surface of the aluminum alloy plate or aluminum block can be molded as one piece by die casting or casting to embed an electric heating tube therein, or the aluminum alloy plate or aluminum block can also be preheated to a certain temperature and becomes softened, the outer edge surface of the aluminum alloy plate or aluminum block is formed with an accommodating groove disposed in circular outwardly extending flanges for accommodating an electric heating tube, the size of the accommodating groove allows the electric heating tube to be mounted and embedded therein, the bottom of the pan (kettle) body and the corresponding joint face of the above-described aluminum alloy plate or aluminum block are subjected to friction under pressure at instant high-speed rotation in such a manner that one of the
  • FIG. 1 is a flow chart of the present invention.
  • FIG. 2 is a three-dimensional exploded view of the present invention.
  • FIG. 3 is a schematic view showing the assembly action of the present invention.
  • FIG. 4 is a three-dimensional assembly view of the present invention.
  • FIGS. 5-1 and 5 - 2 are three-dimensional exploded and assembly views of another embodiment of the present invention.
  • FIG. 6 is a three-dimensional exploded view of another aluminum block in which an electric heating tube is embedded according to the present invention.
  • the present invention provides an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, wherein
  • an aluminum alloy plate or aluminum block 2 of similar or dissimilar materials is weld-bonded to the bottom 11 of a metallic pan (kettle) body 1 which can be of a metal material such as stainless steel, aluminum alloy, iron, or the like, wherein the outer edge surface 23 of the aluminum alloy plate or aluminum block 2 can be molded as one piece by die casting or casting to embed an electric heating tube 3 therein, or the aluminum alloy plate or aluminum block 2 can also be preheated to a certain temperature and becomes softened, the outer edge surface 23 of the aluminum alloy plate or aluminum block 2 is formed with an accommodating groove 21 disposed in circular outwardly extending flanges for accommodating an electric heating tube 3 , the size of the accommodating groove 21 allows the electric heating tube 3 to be mounted and embedded therein, the bottom 11 of the pan (kettle) body 1 and the corresponding joint face 22 of the above-described aluminum alloy plate or aluminum block 2 are subjected to friction under pressure at instant high-speed rotation in such a manner that one of the workpieces is fixed and the other is rotated and moved forward slowly

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cookers (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

The present invention relates to an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, and more particularly to the improvement which includes weld-bonding an aluminum alloy plate or aluminum block of similar or dissimilar materials to the bottom of a pan (kettle) body, wherein the outer side of the aluminum alloy plate or aluminum block can be molded by die casting or casting to embed an electric heating tube therein, or the aluminum alloy plate or aluminum block is preheated to a certain temperature, the softened aluminum alloy plate or aluminum block is formed with an accommodating groove for accommodating an electric heating tube, the above-described aluminum alloy plate or aluminum block and the bottom of the pan (kettle) body are joined by high speed friction heat welding, and then the electric heating tube is clamped and fixed within the accommodating groove of the aluminum alloy plate or aluminum block, or an electric heating tube is embedded in an aluminum block which is then friction welded to the pan (kettle) such that the bottom of the pan (kettle) body can be quickly weld-bonded to the aluminum alloy plate or the aluminum block.

Description

    BACKGROUND OF THE INVENTION
  • (a) Field of the Invention
  • The present invention relates to an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, and more particularly to the improvement which includes weld-bonding an aluminum alloy plate or aluminum block of similar or dissimilar materials to the bottom of a pan (kettle) body, wherein the outer side of the aluminum alloy plate or aluminum block can be molded by die casting or casting to embed an electric heating tube therein, or the aluminum alloy plate or aluminum block is preheated to a certain temperature, the softened aluminum alloy plate or aluminum block is formed with an accommodating groove for accommodating an electric heating tube, the above-described aluminum alloy plate or aluminum block and the bottom of the pan (kettle) body are joined by high speed friction heat welding, and then the electric heating tube is clamped and fixed within the accommodating groove of the aluminum alloy plate or aluminum block, or an electric heating tube is embedded in an aluminum block which is then friction welded to the pan (kettle) such that the bottom of the pan (kettle) body can be quickly weld-bonded to the aluminum alloy plate or the aluminum block.
  • (b) Description of the Prior Art
  • Today, the use of automated instruments has changed people's lives and made them better than they would have been without these automated instruments before. Some automated electric appliances help people to cook some foods. General automatic cookers all have electric heating tubes embedded therein to achieve the goal of heating and cooking. All of the electric heating tubes are embedded in the bottoms of pan bodies by die-casting molding means, which is only suitable for aluminum die-casting molded pan bodies. The inventors also have an earlier application filed for a patent, wherein the upper surface of a pan body is previously coated with a promoter for welding different metals together. In the implementation, the upper surface of the electric heating tube can be instantly melted by a high pressure welder, and the promoter further simultaneously promotes welding of the electric heating tube to the surface of the pan body to form one piece. The bottom of the pan body of similar or dissimilar materials is coated with a flux. An aluminum alloy plate is closely attached to the bottom surface of the pan body and the surface thereof is instantly melted such that the aluminum alloy plate and the surface of the pan body are welded to form one piece. Thereafter, an electric heating tube is attached and instantaneously welded to the other surface of the aluminum alloy plate so as to weld the electric heating tube to the surface of the aluminum alloy plate on the bottom of the pan body. However, such method requires use of a flux to weld the aluminum alloy plate and the electric heating tube to the pan body, and it also takes longer welding time. High temperature resulted from the step of rising the temperature to soften the metal and from the instant welding process would result in deformed products and thus cause a high defective percentage.
    • SUMMARY OF THE INVENTION
  • The present invention relates to an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, wherein an aluminum alloy plate or aluminum block of similar or dissimilar materials is weld-bonded to the bottom of a metallic pan (kettle) body which can be of a metal material such as stainless steel, aluminum alloy, iron, or the like, wherein the outer edge surface of the aluminum alloy plate or aluminum block can be molded as one piece by die casting or casting to embed an electric heating tube therein, or the aluminum alloy plate or aluminum block can also be preheated to a certain temperature and becomes softened, the outer edge surface of the aluminum alloy plate or aluminum block is formed with an accommodating groove disposed in circular outwardly extending flanges for accommodating an electric heating tube, the size of the accommodating groove allows the electric heating tube to be mounted and embedded therein, the bottom of the pan (kettle) body and the corresponding joint face of the above-described aluminum alloy plate or aluminum block are subjected to friction under pressure at instant high-speed rotation in such a manner that one of the workpieces is fixed and the other is rotated and moved forward slowly such that the bottom of the pan (kettle) body and the corresponding joint face of the aluminum alloy plate or aluminum block are instantaneously welded together because a large amount of heat generated by friction melts parts of the bottom and the joint face to provide high adhesion between them and then they are subjected to high-speed stamping or pressing, and thus the aluminum alloy plate or aluminum block is welded to the bottom of the pan (kettle) body, and then an electric heating tube can be mounted into the accommodating groove on the outer edge surface of the aluminum alloy plate or aluminum block, the size of the accommodating groove allows the electric heating tube to be mounted and accommodated therein, the electric heating tube is clamped within the accommodating groove on the outer edge surface of the aluminum alloy plate or aluminum block in some positions of or over the upper edges of the accommodating groove, or an electric heating tube is embedded in an aluminum block, and then the joint face of the aluminum block and the bottom of the pan (kettle) body are subjected to friction welding, which allows the pan (kettle) body to be welded to the aluminum alloy plate or aluminum block without a flux as well as allows short welding time, ease of processing and less ease of deformation of products such that the bottom of the pan (kettle) body can be quickly weld-bonded to the aluminum alloy plate or aluminum block.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a flow chart of the present invention.
  • FIG. 2 is a three-dimensional exploded view of the present invention.
  • FIG. 3 is a schematic view showing the assembly action of the present invention.
  • FIG. 4 is a three-dimensional assembly view of the present invention.
  • FIGS. 5-1 and 5-2 are three-dimensional exploded and assembly views of another embodiment of the present invention.
  • FIG. 6 is a three-dimensional exploded view of another aluminum block in which an electric heating tube is embedded according to the present invention.
    •  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Referring to FIGS. 1 to 6, the present invention provides an improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, wherein
  • an aluminum alloy plate or aluminum block 2 of similar or dissimilar materials is weld-bonded to the bottom 11 of a metallic pan (kettle) body 1 which can be of a metal material such as stainless steel, aluminum alloy, iron, or the like, wherein the outer edge surface 23 of the aluminum alloy plate or aluminum block 2 can be molded as one piece by die casting or casting to embed an electric heating tube 3 therein, or the aluminum alloy plate or aluminum block 2 can also be preheated to a certain temperature and becomes softened, the outer edge surface 23 of the aluminum alloy plate or aluminum block 2 is formed with an accommodating groove 21 disposed in circular outwardly extending flanges for accommodating an electric heating tube 3, the size of the accommodating groove 21 allows the electric heating tube 3 to be mounted and embedded therein, the bottom 11 of the pan (kettle) body 1 and the corresponding joint face 22 of the above-described aluminum alloy plate or aluminum block 2 are subjected to friction under pressure at instant high-speed rotation in such a manner that one of the workpieces is fixed and the other is rotated and moved forward slowly such that the bottom 11 of the pan (kettle) body 1 and the corresponding joint face 22 of the aluminum alloy plate or aluminum block 2 are instantaneously welded together because a large amount of heat generated by friction melts parts of the bottom and the joint face to provide high adhesion between them and then they are subjected to high-speed stamping or pressing, and thus the aluminum alloy plate or aluminum block 2 is welded to the bottom 11 of the pan (kettle) body 1, and then an electric heating tube 3 can be mounted into the accommodating groove 21 on the outer edge surface of the aluminum alloy plate or aluminum block 2, the size of the accommodating groove 21 allows the electric heating tube 3 to be mounted and accommodated therein, the electric heating tube 3 is clamped within the accommodating groove 21 on the outer edge surface of the aluminum alloy plate or aluminum block 2 in some positions of or over the upper edges of the accommodating groove 21, or an electric heating tube 4 is embedded in an aluminum block 4, and then the joint face 41 of the aluminum block 4 and the bottom 11 of the pan (kettle) body 1 are subjected to friction welding, which allows the pan (kettle) body 1 to be welded to the aluminum alloy plate or aluminum block 2, 4 without a flux as well as allows short welding time, ease of processing and less ease of deformation of products such that the bottom of the pan (kettle) body can be quickly weld-bonded to the aluminum alloy plate or aluminum block.

Claims (3)

1. An improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus, characterized in that:
an aluminum alloy plate or aluminum block of similar or dissimilar materials is weld-bonded to the bottom of a metallic pan (kettle) body which can be of a metal material such as stainless steel, aluminum alloy, iron, or the like, wherein the outer edge surface of the aluminum alloy plate or aluminum block is molded as one piece by die casting or casting to embed an electric heating tube therein, the bottom of the pan (kettle) body and the corresponding joint face of the aluminum alloy plate or aluminum block are subjected to friction under pressure at instant high-speed rotation in such a manner that one of the workpieces is fixed and the other is rotated and moved forward slowly such that the bottom of the pan (kettle) body and the corresponding joint face of the aluminum alloy plate or aluminum block are instantaneously welded together because a large amount of heat generated by friction melts parts of the bottom and the joint face to provide high adhesion between them and then they are subjected to high-speed stamping or pressing, and thus the aluminum alloy plate or aluminum block is welded to the bottom of the pan (kettle) body, which allows the pan (kettle) body to be welded to the aluminum alloy plate or aluminum block without a flux as well as allows short welding time, ease of processing and less ease of deformation of products such that the bottom of the pan (kettle) body can be quickly weld-bonded to the aluminum alloy plate or aluminum block.
2. The improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus as claimed in claim 1, wherein the aluminum alloy plate or aluminum block is preheated to a certain temperature and becomes softened, the outer edge surface of the aluminum alloy plate or aluminum block is formed with an accommodating groove disposed in circular outwardly extending flanges for accommodating an electric heating tube, the size of the accommodating groove allows the electric heating tube to be mounted and embedded therein, the joint face of the aluminum alloy plate or aluminum block and the bottom of the pan (kettle) body are subjected to friction welding, and then an electric heating tube is mounted into the accommodating groove on the outer edge surface of the aluminum alloy plate or aluminum block, and the electric heating tube is clamped within the accommodating groove on the outer edge surface of the aluminum alloy plate or aluminum block in some positions of or over the upper edges of the accommodating groove.
3. The improvement for a combination structure of the bottom of a pan (kettle) body and a heating apparatus as claimed in claim 1, wherein an electric heating tube is embedded in an aluminum block and then the joint face of the aluminum block and the bottom of the pan (kettle) are subjected to friction welding.
US12/579,443 2009-10-15 2009-10-15 combination structure of bottom of pan (kettle) body and heating apparatus Abandoned US20110089153A1 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130106418A1 (en) * 2011-10-31 2013-05-02 Ji Ming Chen Heat conducting component and manufacturing method therefor and refrigeration system and magnetic resonance imaging equipment employing such a component
GB2500891A (en) * 2012-04-03 2013-10-09 Yao-Tsung Kao Connecting the body and heating device of a pot using rotating friction and melt connection
US20150144680A1 (en) * 2013-11-25 2015-05-28 Yao-Tsung Kao Method of Making Cooking Vessel with Heat Conduction
US9126284B2 (en) 2012-09-19 2015-09-08 Kao Yao-Tsung Method for producing a metal container
US20160354826A1 (en) * 2015-06-08 2016-12-08 Yao-Tsung Kao Combination Method of Heating Device of Pot/Kettle
CN106419505A (en) * 2016-11-22 2017-02-22 山东胜阳生活电器有限公司 Firmly connected electric heating pan composite bottom and processing process thereof
US20210245293A1 (en) * 2013-12-18 2021-08-12 MELD Manufacturing Corporation Solid-state joining of features to cast parts

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115918A (en) * 1976-10-28 1978-09-26 National Presto Industries, Inc. Method of making electric appliance with intermittently staked sheathed heating element
US6080968A (en) * 1994-06-09 2000-06-27 Strix Limited Liquid heating vessels
US6153859A (en) * 1995-07-31 2000-11-28 Strix Limited Liquid heating vessels

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115918A (en) * 1976-10-28 1978-09-26 National Presto Industries, Inc. Method of making electric appliance with intermittently staked sheathed heating element
US6080968A (en) * 1994-06-09 2000-06-27 Strix Limited Liquid heating vessels
US6153859A (en) * 1995-07-31 2000-11-28 Strix Limited Liquid heating vessels

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130106418A1 (en) * 2011-10-31 2013-05-02 Ji Ming Chen Heat conducting component and manufacturing method therefor and refrigeration system and magnetic resonance imaging equipment employing such a component
GB2500891A (en) * 2012-04-03 2013-10-09 Yao-Tsung Kao Connecting the body and heating device of a pot using rotating friction and melt connection
US9126284B2 (en) 2012-09-19 2015-09-08 Kao Yao-Tsung Method for producing a metal container
US20150144680A1 (en) * 2013-11-25 2015-05-28 Yao-Tsung Kao Method of Making Cooking Vessel with Heat Conduction
US20210245293A1 (en) * 2013-12-18 2021-08-12 MELD Manufacturing Corporation Solid-state joining of features to cast parts
US20160354826A1 (en) * 2015-06-08 2016-12-08 Yao-Tsung Kao Combination Method of Heating Device of Pot/Kettle
CN106419505A (en) * 2016-11-22 2017-02-22 山东胜阳生活电器有限公司 Firmly connected electric heating pan composite bottom and processing process thereof

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