WO2017119297A1 - Feuille stratifiée de génération de chaleur pour cuiseur à induction - Google Patents

Feuille stratifiée de génération de chaleur pour cuiseur à induction Download PDF

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Publication number
WO2017119297A1
WO2017119297A1 PCT/JP2016/088116 JP2016088116W WO2017119297A1 WO 2017119297 A1 WO2017119297 A1 WO 2017119297A1 JP 2016088116 W JP2016088116 W JP 2016088116W WO 2017119297 A1 WO2017119297 A1 WO 2017119297A1
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WO
WIPO (PCT)
Prior art keywords
sheet
container
resin
laminated
cooker
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Application number
PCT/JP2016/088116
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English (en)
Japanese (ja)
Inventor
萩乃 藤田
充由 斉藤
Original Assignee
東洋製罐グループホールディングス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 東洋製罐グループホールディングス株式会社 filed Critical 東洋製罐グループホールディングス株式会社
Priority to JP2017511368A priority Critical patent/JP6150029B1/ja
Priority to CN201680078287.7A priority patent/CN108430280A/zh
Publication of WO2017119297A1 publication Critical patent/WO2017119297A1/fr

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices

Definitions

  • the present invention relates to a laminated heating sheet for an IH cooker used for cooking by an IH cooker.
  • electromagnetic cookers In recent years, heating cookers called electromagnetic cookers have come into widespread use in place of gas stoves and the like.
  • This electromagnetic cooker also called an IH cooker, generates a high-frequency magnetic field by an electromagnetic induction heating coil provided therein, and generates a joule generated by an eddy current induced in a cooking container placed on the cooker. Heating heats foods contained in a cooking container or an object to be heated such as water. Since such an electromagnetic cooker can be cooked without using a flame, it is highly safe, easy to wipe off dirt, excellent in cleanliness, and more economical than conventional cookers. Are better.
  • Patent Document 1 discloses a heating cooker for an IH cooker in which a heat generating sheet made of a metal foil such as an aluminum foil is attached to a plastic container. As the heat generating sheet, a metal foil such as an aluminum foil is disclosed. A laminated heating sheet having a structure in which a layer of a thermoplastic resin such as an olefin resin is laminated has also been proposed.
  • the heat-generating sheet is not fixed only by being placed on the bottom of the plastic container, but causes problems such as the heat-generating sheet moving during cooking (cooking), so heat sealing is performed on the bottom of the plastic container. It is fixed by. Therefore, the thermoplastic resin layer laminated on the metal foil needs to have heat sealability with respect to the bottom of the plastic container.
  • the heat generating sheet as described above is not suitable for a disposable application because it needs to be bonded and fixed to the bottom of the container. Further, since a manufacturing process for bonding and fixing to the bottom of the plastic container is required, there is a problem that it is difficult to manufacture at a low cost.
  • the present applicant has further developed the function of the heat generating sheet, and previously proposed a heat generating sheet for an IH cooker comprising a laminated sheet of a conductive sheet (metal foil) and a dielectric layer formed of an olefin resin or the like.
  • a heat generating sheet is patented (Patent Document 2).
  • the heat generating sheet can be folded into a container shape, and a container (heat generating container) formed by folding the heat generating sheet is inserted into a container-shaped thermoplastic resin holder, and the heat generating container
  • the ingredients to be boiled and cooked are put in the inside of the, and in this state, cooking by heating with an IH cooker is performed.
  • the heat generating sheet as described above is not fixed to a container-shaped thermoplastic resin holder by heat sealing, but has an advantage that it is suitable for disposable use.
  • the shape of the container formed by folding the sheet Improvement of retention is desired.
  • JP 2014-239852 A Japanese Patent No. 5788557
  • an object of the present invention is to provide a laminated heat generating sheet used for an IH cooker, which can be formed by folding a container whose shape does not collapse even when food or the like is added. .
  • the conductive sheet is laminated on one surface of the resin sheet, and on the other surface of the resin sheet, a reinforcing dielectric piece having a strength higher than that of the resin sheet is provided on the surface of the resin sheet.
  • a laminated heat generating sheet for an IH cooker characterized in that a part thereof is pasted so as to be exposed.
  • the reinforcing dielectric piece is a paper sheet
  • the resin sheet is a silicone rubber sheet
  • the reinforcing dielectric piece has a form including a ring-shaped base portion and a plurality of projecting pieces extending radially and spaced from each other outside the ring-shaped base portion.
  • the protruding pieces are formed in odd numbers.
  • a part of the protruding piece is connected to the ring-shaped base, (6)
  • the conductive sheet is provided with an eddy current control cut line penetrating the sheet in the thickness direction; Is preferred.
  • the resin sheet laminated on one surface of the conductive sheet is a dielectric, preventing direct contact between the conductive sheet and the IH cooker, and generating heat from the conductive sheet by the IH cooker.
  • a reinforcing dielectric having a strength higher than that of the resin sheet is formed on the other surface (surface opposite to the conductive sheet) of the resin sheet. A piece is affixed. For this reason, the reinforcing dielectric piece of this laminated heat generating sheet is folded into the shape of a container with the outer surface side, the formed container is placed on a holder placed on an IH cooker, and ingredients are placed in the container. Even in this case, the container can be effectively prevented from being deformed, and the cooking by the IH cooker can be performed stably.
  • the above-mentioned reinforcing dielectric piece is not provided so as to cover the entire surface of the resin sheet, but is attached so that a part of the surface of the resin sheet is exposed. For this reason, this laminated heat generating sheet can be effectively folded into a container shape. Furthermore, the heat generation stop by the sensor when the conductive sheet generates heat or excessive heat is not generated by the IH cooker is not hindered by the reinforcing dielectric piece.
  • FIG. 1 Schematic which shows the cross-section of the laminated heat_generation
  • seat of FIG. The bottom view of the lamination
  • seat of FIG. The figure which shows the other form of the cut line provided in the electrically conductive sheet in the lamination
  • the top view which shows the blank sheet
  • the schematic sectional drawing which shows the procedure which mounts the lamination
  • the conductive sheet 3 is laminated on one surface of the resin sheet 5 and the other surface of the resin sheet 5 ( A reinforcing dielectric piece 7 is affixed to the surface opposite to the conductive sheet 3.
  • the laminated heat generating sheet 1 was folded into the shape of the container A with the reinforcing dielectric piece 7 as the outer surface side and placed on the dielectric holding member 30. It is placed in the induction heating part of the IH cooker in a state.
  • the conductive sheet 3 of the laminated heat generating sheet 1 is formed of a metal foil typified by aluminum foil or the like, and this laminated heat generating sheet 1 is used as an induction heating part of the IH cooker so that the resin sheet 5 is on the lower side. Then, when the IH cooker is operated, the conductive sheet 3 generates heat due to the eddy current induced by the high frequency magnetic field.
  • the resin sheet 5 of the laminated heat generating sheet 1 is a dielectric, and is formed to prevent direct contact between the conductive sheet 3 and the IH cooker and to moderate the heat generation of the conductive sheet 3. is there.
  • the resin sheet 5 is not particularly limited as long as it is a resin that is not energized, but is generally formed from the following resins from the viewpoints of moldability, cost, lightness, and the like.
  • Examples of the resin of the resin sheet 5 include rubbery silicone rubbers among silicone resins; low density polyethylene, high density polyethylene, polypropylene, poly 1-butene, poly 4-methyl-1-pentene, or ⁇ -olefin.
  • Olefin resins such as co-polymers and cyclic olefin copolymers; ethylene / vinyl copolymer resins such as ethylene / vinyl acetate copolymer, ethylene / vinyl alcohol copolymer, ethylene / vinyl chloride copolymer; Styrene resins such as polystyrene, acrylonitrile / styrene copolymer, ABS, ⁇ -methylstyrene / styrene copolymer; polyvinyl chloride, polyvinylidene chloride, vinyl chloride / vinylidene chloride copolymer, polymethyl acrylate, polymethacryl Vinyl resins such as methyl acid; nylon 6, nylon 6 -6, nylon 6
  • silicone rubber In the present invention, silicone rubber, polyester resin such as PET and PEN, olefin resin such as polypropylene, polycarbonate resin, and polyimide resin are particularly suitable. From the viewpoint of excellent heat resistance, rubber among silicone resins is particularly preferable. Shaped silicone is optimal. In addition, when putting high viscosity and cooking oil etc. heated at high temperature into the inside of a heat_generation
  • the resin sheet 5 as described above generally has a thickness of about 5 to 80 ⁇ m, although it varies depending on the size of the laminated heat generating sheet 1 and the like.
  • cut lines X1, X2, and X3 are formed in order to adjust eddy currents induced by induction heating by the operation of the IH cooker. That is, these cut lines are linearly formed so as to penetrate the conductive sheet 3 and leave the resin sheet 5 so that the eddy current induced in the conductive sheet 3 is completely divided (see FIG. 1 and 2), and is formed by known means such as laser processing.
  • the laminated heat generating sheet 1 is generally circular as a whole, but by folding, the conductive sheet 3 side is the inner surface, the central circular region is the bottom 10, and the annular region around the periphery is the peripheral side wall 13.
  • a container A (see FIG. 7 described later) can be formed. That is, the size of the container A formed in this way is usually the same as a pot used for cooking at home.
  • the conductive sheet 3 in the portion (annular region) that becomes the circumferential side wall portion 13 of the container formed by folding is a first extending radially from the portion that becomes the center O of the bottom portion 10 (central circular region).
  • a number of cut lines X1 are formed at equal intervals (see FIG. 2).
  • this first cut line X1 induction of eddy current flowing through the conductive sheet 3 of the circumferential side wall 13 of the container formed by folding is reduced or blocked, and excessive heat generation of the circumferential side wall 13 is prevented.
  • it is possible to effectively prevent damage due to heating of the dielectric holding member 30 (see FIG. 6 described later) in contact with the peripheral side wall 13. can do.
  • Such a first cut line X1 may be appropriately selected according to the size of the container formed by folding, so that the number of eddy currents induced by the high-frequency magnetic field during cooking can be reduced or cut off. Generally, the number is 2 or more, preferably 3 to 40. 2 and 3, the first cut line X1 extends radially, but may be formed in a curved shape or other shapes as long as the eddy current can be reduced or cut off.
  • a plurality of concentric endless second cut lines X2 centering on the bottom center O are formed in the region to be the bottom 10 of the container thus formed.
  • the endless cut line X2 divides the eddy current flowing through the conductive sheet 3 corresponding to the bottom portion 10 of the container A formed by folding into each region to prevent excessive heat generation of the bottom portion 10 at an appropriate temperature. It is effective in performing cooking such as cooking.
  • the number of such endless second cut lines X2 is not particularly limited, but may be usually several.
  • the first cut line X1 described above extends to the position of the maximum diameter (maximum) cut line of the second cut line X2. Thereby, the energization to the side wall part 13 of the eddy current induced by the bottom part 10 can be prevented, and the excessive heat_generation
  • the region surrounded by the minimum diameter (minimum) cut line of the endless second cut line X2 has a minimum diameter cut line of the second cut line X2.
  • a third cut line X3 extending to the position is formed. That is, the third cut line X3 reduces or cuts off the eddy current induced in the center portion of the bottom portion 10 and effectively makes bumping due to partial heating of the center portion of the bottom portion 10 during cooking (cooking). It is something to prevent.
  • Such a third cut line X3 only has to extend to the direction of reducing or blocking induced eddy current, that is, the position of the minimum diameter cut line of the endless second cut line X2, for example, In FIG. 2, it is formed in an arc shape, but it may be formed in a straight line like a so-called cross cut, and the number thereof is not limited.
  • the first cut line X1 is in contact with the maximum diameter cut line of the second cut line X2, and the maximum diameter cut line of the second cut line X2 is formed endlessly.
  • the minimum diameter cut line of the second cut line X2 is in contact with the third cut line X3.
  • these cut lines can be formed so as not to contact each other, and such a pattern has an advantage that damage to the resin sheet 5 that occurs particularly when the cut lines are formed can be surely prevented.
  • the first cut line X1 does not extend to the position of the maximum diameter cut line of the second cut line X2.
  • the clearance ⁇ exists between the end X1a of the first cut line X1 and the maximum diameter cut line of the second cut line X2.
  • the maximum diameter cut line of the second cut line X2 is not completely endless, and ends X2a, X2a are formed in a circular arc shape with a part missing, and between the ends, There is a clearance ⁇ .
  • the third cut line X3 does not extend to the position of the minimum diameter cut line of the second cut line X2, but the end portion X3a of the third cut line X3 and the minimum diameter of the second cut line X2.
  • a clearance ⁇ exists between the cut line. That is, the cut lines X1 to X3 penetrating the conductive sheet 3 are formed by processing by laser irradiation (laser processing), but laser processing is repeated at the portion where these cut lines are in contact with each other. Due to the heat of the heated object (conductive sheet: metal foil such as aluminum foil), the underlying resin sheet 5 is easily damaged at this portion and a hole is easily formed. The same applies to the case where the cut line is formed in a perfect circle (endless shape) like the second cut line X2. This is because in order to obtain a complete endless shape, laser processing is performed repeatedly at the end of a line formed by laser processing.
  • the first to third cut lines X1 to X3 are not in contact with each other, and a constant clearance ⁇ is formed between them, and the second cut line X2 is also A part is cut away to form a clearance ⁇ .
  • this clearance ⁇ should be an appropriate size, and is generally about 0.5 to 1.0 mm.
  • the clearance ⁇ in the maximum diameter cut line of the second cut line X2 it is preferable to form a short leakage prevention cut line Y from the extension line of the cut line to the outside.
  • the reduction of the eddy current in the maximum diameter cut line (leakage to the outer periphery) or the reduction of the blocking effect can be further suppressed.
  • the clearance ⁇ in the minimum diameter cut line of the second cut line X2 it is preferable to form a short leakage prevention cut line Y from the extension line of the cut line inward. Thereby, the eddy current induced in the minimum diameter cut line can be reduced or cut off, and bumping due to partial heating of the central portion can be more effectively prevented during cooking (cooking).
  • the length of the leakage prevention cut line Y is preferably about 0.5 to 2.0 mm from the extended line of the cut line.
  • the surface of the resin sheet 5 (the surface opposite to the conductive sheet 3) is reinforced.
  • a dielectric piece 7 is affixed. That is, when the laminated heat generating sheet 1 is formed by the two-layer structure of the conductive sheet 3 and the resin sheet 5 described above, if a foodstuff or the like is put into the container A formed by folding the sheet, the container will lose its shape. Inconveniences often occur. For example, as shown in FIG.
  • the container A formed by folding the laminated heating sheet 1 when the container A formed by folding the laminated heating sheet 1 is placed in the holder 30 and the ingredients are put, and when cooking with an IH cooker, the container A is It cannot be set along the shape of the holder 30 or set in a stable state, and cooking may become difficult.
  • the reinforcing dielectric piece 7 since the reinforcing dielectric piece 7 is provided on the surface of the resin sheet 5, the container A having a stable form is formed by folding the reinforcing dielectric piece 7 on the outer surface side. Can do. That is, when the container A is formed by fold folding or the like, a reinforcing dielectric piece 7 (a plurality of protrusions 23 to be described later) can be present on each of the adjacent pleat surfaces. The form is stably maintained.
  • the container A formed by folding is placed in the holder 30 and the ingredients are put into the holder 30 and cooked by the IH cooker, the container A is placed along the shape of the holder 30. It can be set or set in a stable state, and heat cooking by the IH cooker can be performed stably.
  • the reinforcing dielectric piece 7 is formed of a material that is not energized, like the resin sheet 5, but must be stronger than the resin sheet 5. If the reinforcing dielectric piece 7 is formed of a material having a lower strength than the resin sheet 5, the reinforcing effect is insufficient, and the form retainability of the container A formed by folding is insufficient. Accordingly, the reinforcing dielectric piece 7 is formed of a high-strength material that is not energized, and depending on the material of the resin sheet 5, it may be formed of a polyester resin such as PET or PEN. It is optimal to use paper because it is inexpensive.
  • the reinforcing dielectric piece 7 is positioned between the conductive sheet 3 and the IH cooker when the container A formed by folding the laminated heat generating sheet 1 is placed on the IH cooker. Become. Therefore, the reinforcing dielectric piece 7 does not hinder the power generation of the conductive sheet 3 by the IH cooker 7 (or the power generation stoppage when the sensor is overheated) and prevents the folding into the container shape. Must not be. Accordingly, the thickness of the reinforcing dielectric piece 7 is, for example, about 0.1 to 5 mm, and at the same time, it is necessary not to cover the entire surface of the resin sheet 5 but to expose a part thereof. .
  • the reinforcing dielectric piece 7 includes a ring-shaped base portion 21 and a plurality of projecting pieces 23 extending radially outside the ring-shaped base portion 21. And it is affixed on the back surface (surface on the opposite side to the conductive sheet 3) of the resin sheet 5 with such a form.
  • the ring-shaped base portion 21 defines the bottom portion 10 of the container A when the laminated heating sheet 1 is folded to form the container A (see FIGS. 6 and 7). Although it is located in the part corresponding to the side wall part 13 of this, and extends radially from the center O (corresponding to the center of the bottom part 10), it is not formed inside the ring-shaped base part 21.
  • the IH cooker In the region surrounded by the ring-shaped base portion 21, the surface of the resin sheet 5 is exposed, so that when the container A is placed on the IH cooker, the IH cooker By operation, when the conductive sheet 3 generates heat through the resin sheet 5 and the bottom portion 10 of the container A becomes abnormally hot during cooking, a sensor provided in the IH cooker detects it. The movement of the IH cooker stops.
  • the plurality of protruding pieces 23 of the reinforcing dielectric piece 7 located on the portion corresponding to the side wall portion 13 of the container A are provided at intervals. .
  • the projecting pieces 23 are present on each surface of the fold-folded side wall portion 13, Adjacent protrusions 23 overlap each other, and the shape of the container A formed by the laminated heat generating sheet 1 can be stably maintained. If the plurality of protruding pieces 23 of the reinforcing dielectric piece 7 are connected to each other, it is difficult to fold them into the shape of the container A. Therefore, it is important to provide them at intervals as described above.
  • the number of the protrusions 23 of the reinforcing dielectric piece 7 is determined in consideration of the ease of folding into the container A and the form retainability. For example, if the number of the projecting pieces 23 is too large, the interval between the adjacent projecting pieces 23 becomes narrow, so that it is difficult to fold the container A into the shape. If the number of the projecting pieces 23 is too small, the reinforcing effect is obtained. There is a risk that the shape retention may be impaired.
  • the specific number of the projecting pieces 23 varies depending on the size of the container A formed by folding (the size of the laminated heat generating sheet 1) and the like, and cannot be generally specified. In the case of the same size as the pan used in the above, it is usually about 9 to 27 pieces.
  • the number of the protruding pieces 23 as described above is an odd number (in the example of FIG. 3, the number of the protruding pieces 23 is 19 pieces. Is). That is, as shown in FIG. 3, assuming a virtual straight line L extending in the radial direction through the center O, when the number of the projecting pieces 23 is set to an even number, the straight line L is not connected to the projecting pieces 23. However, if the number of the projecting pieces 23 is an odd number, the virtual straight line L always comes into contact with the projecting pieces 23.
  • the laminated heat generating sheet 1 is easily divided into two with the virtual straight line L as a broken line. Is accidentally formed, and as a result, the form retainability of the container A is lowered.
  • the number of the projecting pieces 23 is set to an odd number, the virtual straight line L comes into contact with the projecting piece 23 as shown in FIG. Formation can be prevented, and the form retainability of the container A can be further enhanced.
  • the protruding piece 23 as described above preferably has an appropriate distance D from the ring-shaped base 21 and is set to an interval of about 1.0 to 20 mm. If the distance D is too small, when the reinforcing dielectric piece 7 is manufactured by punching or the like, or when the reinforcing dielectric piece 7 is attached to the surface of the resin sheet 5, damage or deformation is likely to occur. . Moreover, when this space
  • the protruding pieces 23 are not connected to the outer peripheral edge of the ring-shaped base portion 21, but all the protruding pieces 23 are separated from the ring-shaped base portion 21. If this is the case, when the reinforcing dielectric piece 7 is attached to the surface of the resin sheet 5, the ring-shaped base portion 21 and the plurality of protruding pieces 23 must be attached separately in a disjointed state. For this reason, it is preferable to have a structure in which a part of the protruding pieces 23 are connected to the ring-shaped base portion 21 by the thin connecting portion 25.
  • the surface of the resin sheet 5 is integrally formed with the projecting piece 23 and the ring-shaped base 21 without impairing the ease of folding of the laminated heat generating sheet 1 into the container A and the shape retention of the container A. Can be pasted on.
  • three of the 19 protruding pieces 23 are connected to the ring-shaped base portion 21.
  • the above-described lamination of the conductive sheet 3 and the resin sheet 5 and the attachment of the reinforcing dielectric piece 7 to the surface of the resin sheet 5 can be appropriately performed using an adhesive depending on the material.
  • a silicone rubber sheet is used as the resin sheet 5
  • a thermosetting silicone primer an oligomer of a curable silicone resin
  • the laminated heat generating sheet 1 having the above-described form is prepared, for example, as a blank sheet B for forming the reinforcing dielectric piece 7 having the form shown in FIG. And can be easily manufactured.
  • the blank sheet B is formed by punching a dielectric sheet such as paper, and the punched portion 27 has the reinforcing dielectric piece 7 attached thereto. It corresponds to the surface portion of the resin sheet 5 that is sometimes exposed.
  • the outer end portion of the projecting piece 23 is held continuously to the peripheral edge portion 29, and the ring-shaped base portion 21 is connected to and held by a part of the projecting piece 23 by the connecting portion 25.
  • a blank sheet B is formed by punching a long dielectric sheet and forming a number of punched portions 27 as described above in a row.
  • an adhesive for example, a curable silicone primer
  • a long resin sheet for example, a silicone rubber sheet
  • an adhesive is appropriately applied to the pasting surface of the blank sheet B. deep.
  • a long laminate having the blank sheet B attached thereto is obtained, and is appropriately pressure-bonded under heating, firmly bonding the resin sheet and the blank sheet B, and finally cut into a predetermined size,
  • the target laminated heat generating sheet 1 can be obtained.
  • the adhesive strength of the surface portion of the resin sheet 5 where the punched portion 27 is exposed is lowered. If the surface portion is sticky, it is difficult to fold the laminated heat generating sheet 1 into the container A, or when the laminated heat generating sheets 1 are stacked, the sheets 1 adhere to each other, which hinders storage and sales. Come.
  • Such a decrease in adhesive strength can be performed, for example, by a roughening treatment such as blasting or pressure bonding of a rough roll, and an antiblocking agent such as silica particles is blended in the resin sheet 5. Thus, the adhesive strength can be reduced.
  • the laminated heat generating sheet 1 described above is folded in the form of a container A (see FIG. 6 (b)), for example, a dielectric holding shown in FIG. 6 (a). In a state of being placed in the member 30, it is used by being placed on the induction heating unit of the IH cooker.
  • the holding member 30 is also made of a dielectric material, like the resin sheet 5 and the reinforcing dielectric piece 7 described above.
  • a dielectric material like the resin sheet 5 and the reinforcing dielectric piece 7 described above.
  • it is formed from a thermoplastic resin, particularly from an olefin resin, and most preferably formed from polypropylene.
  • the holding member 30 is formed from an annular wall 31 having a tapered shape with a large upper end diameter and a smaller diameter toward the lower side.
  • a circumferential flange 33 projecting inward is formed, and a handle 34 is formed at the upper end thereof.
  • the container A formed from the laminated heat generating sheet 1 of the present invention is accommodated in the annular wall 31 of the holding member 30 as described above, and subjected to cooking by the IH cooker while being stably held.
  • the annular wall 31 is set to a size that can accommodate the container A therein.
  • the container A formed by folding the laminated heat generating sheet 1 inserts the laminated heat generating sheet 1 into the annular wall 31 of the holding member 30. 7 protrudes from the ring-shaped base 21 and a container A in which the laminated heat generating sheet 1 composed of the conductive sheet 3, the resin sheet 5, and the reinforcing dielectric piece 7 is folded is formed inside the annular wall 31 of the holding member 30. , Housed. Next, the food 50 is put in the container A, and in this state, cooking is performed by the IH cooker.
  • the shape of the laminated heat generating sheet 1 of the present invention has been described by taking a circular shape as an example. However, as long as it can be folded into the shape of a container, this shape may be a rectangular shape or a reinforcing dielectric piece. 7 or the endless second cut line X2 formed on the conductive sheet 3 may be rectangular, and the planar shape of the annular wall 31 of the holding member 30 is also rectangular. It may be.
  • Laminated heat generating sheet 3 Conductive sheet 5: Resin sheet 7: Reinforcing dielectric piece 10: Bottom portion 13: Circumferential side wall portion 21: Ring-shaped base portion 23: Protruding piece 25: Connecting portion 27: Punched portion 30: Holding member 31: annular wall 33: inward flange 35: circumferential step A: container B: blank sheet X1: first cut line X2: second cut line X3: third cut line

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cookers (AREA)
  • Package Specialized In Special Use (AREA)

Abstract

La présente invention concerne une feuille stratifiée de génération de chaleur, ladite feuille stratifiée de génération de chaleur étant destinée à être utilisée dans des cuiseurs à induction, est caractérisée en ce que : une feuille conductrice 3 est stratifiée sur une surface d'une feuille de résine 5 ; et une pièce diélectrique 7 de renforcement présentant une résistance supérieure à celle de la feuille de résine 5 est collée sur l'autre surface de la feuille de résine 5 de sorte qu'au moins une partie de la surface de la feuille de résine 5 est exposée.
PCT/JP2016/088116 2016-01-06 2016-12-21 Feuille stratifiée de génération de chaleur pour cuiseur à induction WO2017119297A1 (fr)

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JP2017511368A JP6150029B1 (ja) 2016-01-06 2016-12-21 Ｉｈ調理器用積層発熱シート
CN201680078287.7A CN108430280A (zh) 2016-01-06 2016-12-21 Ih烹调器用层叠发热片

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JP2016-001073 2016-01-06

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