WO2006016635A1 - 発熱伸縮体及びその製造方法 - Google Patents
発熱伸縮体及びその製造方法 Download PDFInfo
- Publication number
- WO2006016635A1 WO2006016635A1 PCT/JP2005/014711 JP2005014711W WO2006016635A1 WO 2006016635 A1 WO2006016635 A1 WO 2006016635A1 JP 2005014711 W JP2005014711 W JP 2005014711W WO 2006016635 A1 WO2006016635 A1 WO 2006016635A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- heat generating
- exothermic
- heat
- adhesive layer
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
- A61F7/034—Flameless
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0001—Body part
Definitions
- the present invention relates to a heat generating stretchable body, and more particularly to a heat generating stretchable body that includes a heat generating body and is used by being attached to an application site such as skin.
- FIG. 10 is a cross-sectional view showing a schematic configuration of a conventional heat generating sheet body.
- the heat generating sheet body 50 includes a first sheet 5 8 having air permeability, a second sheet 5 9 having no air permeability, a first sheet 5 8 and a second sheet 5 9. It consists of exothermic agent 5 7 sandwiched between, adhesive 5 5 applied to the lower surface of the second sheet 59, and release paper 5 6 affixed to cover the adhesive 5 5 Has been.
- the exothermic agent 57 is, for example, a mixture of iron powder, inorganic salt, activated carbon, water, etc., and generates heat when the iron oxidation reaction starts upon contact with air.
- the first sheet 5 8 is formed by bonding the non-woven fabric 51 and the breathable film 52 with, for example, an adhesive or thermocompression bonding
- the second sheet 59 is composed of the non-woven fabric 53 and the non-breathable film 54. Are bonded together in the same manner.
- These first sheet 58 and second sheet 59 have a bag-like shape with a heat generating agent 5 7 sandwiched between the surface of the air-permeable film 52 and the surface of the non-air-permeable film 54.
- the outer peripheral parts are bonded together by heat sealing.
- Adhesive 5 5 is applied to the outer surface of non-breathable second sheet 5 9 non-woven fabric 5 3, and release paper 5 6 is further applied to cover the applied adhesive 5 5. It is pasted.
- Such a fever sheet 50 is provided in a sealed state in an outer bag formed of a non-breathable film or the like, and is used for thermal treatments such as stiff shoulders, neuralgia, and muscle pain.
- Japanese Patent Publication No. 2 0 0 1 — 1 3 7 2 7 5 discloses prior art document information on the heat generating sheet as described above.
- the present invention has been made to solve the above-described problems, and provides a heat-generating elastic body that can hold the heat-generating body in close contact with a movable part such as a joint, and a method for manufacturing the same. With the goal. Disclosure of the invention
- the exothermic expansion / contraction body is a exothermic expansion / contraction body that is used by being attached to an application site such as skin, and generates heat by contact with air.
- an application site such as skin
- the exothermic elastic body according to the second aspect of the present invention is an exothermic elastic body that is used by being affixed to a site to be applied such as skin, and has a first and second sheet that has elasticity and a first sheet.
- a heating element that is disposed on one side of the sheet and generates heat when it comes into contact with air, and has a sheet shape that is stretchable and breathable.
- a second sheet adhered to one sheet and a first adhesive layer formed on the other surface of the first sheet are provided.
- the exothermic expansion / contraction body according to the third aspect of the present invention is, in the configuration according to the invention according to the second aspect, the heating element made of an exothermic agent formed in an island shape on one surface of the first sheet. is there.
- the exothermic elastic body according to the fourth aspect of the present invention includes a second adhesive layer formed on substantially the entire surface of the second sheet on the first sheet side in the configuration of the invention according to the third aspect.
- a second adhesive layer formed on substantially the entire surface of the second sheet on the first sheet side in the configuration of the invention according to the third aspect.
- the first sheet, the second sheet, and the heat generating agent are integrated.
- the exothermic elastic body according to the fifth aspect of the present invention is the structure of the invention according to the second aspect, wherein the heat generating body includes a bag-shaped bag body having air permeability, and a heat generating agent enclosed in the inside of the bag body. It consists of
- the first sheet and the second sheet are separated from the heating element. Stands and becomes telescopic.
- the exothermic elastic body according to the sixth aspect of the present invention is the invention according to the second aspect, wherein the exothermic body is made of a powdery exothermic agent.
- a 1st sheet and a 2nd sheet will become independent and expandable from a heat generating body.
- the exothermic elastic body according to the seventh aspect of the present invention is the structure of the invention according to any one of the second to sixth aspects, wherein the first adhesive layer contains a metal powder.
- the method for producing a heat generating and expanding body according to the eighth aspect of the present invention is a method for manufacturing a heat generating and expanding body that is used by being attached to an application site such as skin, and is a first sheet having a stretch shape. Forming a pressure-sensitive adhesive layer on one side of the first sheet, transferring a heat-generating agent that generates heat upon contact with air into an island shape on the other side of the first sheet, and a material having stretchability and air permeability A second sheet with a different sheet shape is placed so as to cover the transferred heat generating agent, and at least the outer periphery of the first sheet and the outer periphery of the second sheet are bonded to each other. It will be.
- a heat generating agent will be in the state pinched
- the exothermic expansion / contraction body allows the entire exothermic expansion / contraction body containing the exothermic agent to expand and contract, so that the exothermic body is kept in close contact regardless of the form of the application site. It becomes possible to hold.
- the exothermic expansion and contraction body is used as a taping material, the effect of taping and the thermal effect of the heating element are synergistically promoted, blood circulation in the applied part is further promoted, and the therapeutic effect is improved.
- the exothermic elastic body according to the second aspect of the present invention is an exothermic body that contains an exothermic agent. Since the entire stretchable body is flat and freely stretchable, the heating element can be efficiently and closely held in a wide range regardless of the form of the application site. In addition, when the exothermic stretchable body is used as a taping material, the effect of taping and the thermal effect of the heating element are synergistically exhibited, blood circulation at the applied part is further promoted, and the therapeutic effect is improved.
- the exothermic elastic body according to the third aspect of the present invention easily expands and contracts as a whole due to the interval between the island-like exothermic agents.
- the arrangement of the heating element against is stable.
- it since it becomes easy to follow the bent portion to be applied, it is easy to attach the exothermic elastic body.
- the exothermic elastic body according to the fourth aspect of the present invention integrates the first sheet, the second sheet, and the heat generating agent. 2 Stable placement of exothermic agent on the sheet.
- the heat generating and expanding body according to the fifth aspect of the present invention is capable of expanding and contracting independently of the heat generating element. Affixing to the site is easier.
- the heat generating and expanding body according to the sixth aspect of the present invention is capable of expanding and contracting independently of the heat generating element. Attachment to the application site is easy. In addition, since the structure is simple, it is easy to manufacture a heat generating elastic body.
- the exothermic elastic body according to the seventh aspect of the present invention improves the thermal conductivity of the first adhesive layer. Heat is efficiently transmitted to the part to be applied.
- an eighth aspect of the present invention there is provided a method for producing an exothermic stretchable body, wherein the exothermic agent is sandwiched between the stretchable first sheet and the second sheet.
- the heating element is effectively kept in close contact with a wide area.
- FIG. 1 is a plan view showing a schematic configuration of a heat generating and expanding body according to the first embodiment of the invention.
- FIG. 2 is a cross-sectional view of the I I—I I line shown in FIG.
- Fig. 3 is a schematic cross-sectional view showing the manufacturing process of the exothermic elastic body shown in Fig. 1.
- FIG. 4 is a plan view showing a schematic configuration of a heat generating and expanding body according to the second embodiment of the present invention.
- FIG. 5 is a cross-sectional view of the V-V line shown in FIG.
- FIG. 6 is a schematic cross-sectional view showing a manufacturing process of the exothermic elastic body shown in FIG.
- FIG. 7 is a plan view showing a schematic configuration of a heat generating and expanding body according to the third embodiment of the present invention.
- Figure 8 is a cross-sectional view of the V I I I-V I I I line shown in Figure 7 o
- Fig. 9 is a schematic cross-sectional view showing the manufacturing process of the exothermic elastic body shown in Fig. 7>
- FIG. 10 is a cross-sectional view showing a schematic configuration of a conventional heat generating sheet body.
- FIG. 1 is a plan view showing a schematic configuration of a heat generating and expanding body according to the first embodiment of the present invention
- FIG. 2 is a cross-sectional view of the II-II line shown in FIG. .
- the exothermic elastic body 1 is a first sheet having elasticity. 3 and heating agent 6 a to 6 c, which is a heating element disposed on the upper surface of the first sheet 3, and has elasticity and breathability, covering the heating agent 6 a to 6 c etc.
- the second sheet 7 is bonded to the first sheet 3 in the state, and the adhesive layer 10 is applied to the lower surface of the first sheet 3.
- the first sheet 3 is configured as a composite sheet having stretchability by bonding a stretchable nonwoven fabric 4 and a stretchable non-breathable film 5 with an adhesive or the like.
- the second sheet 7 is configured as a composite sheet having stretchability by bonding the nonwoven fabric 8 and the non-breathable film 9 together.
- the second sheet 7 is air permeable due to a plurality of fine holes formed in the film 9 almost entirely with a needle or the like.
- the first sheet 3 may be either breathable or non-breathable.
- the first sheet 3 is configured as a non-breathable sheet without forming a plurality of fine holes in the film 5. Yes.
- the size of the first sheet 3 and the second sheet 7 can be arbitrarily set according to the part to be pasted.
- the size in the width direction (left-right direction in FIG. 1)
- the dimension is about 70 mm
- the length in the longitudinal direction (vertical direction in Fig. 1) is set to about 45 mm.
- Each of the exothermic agents 6a to 6c has a substantially square plate shape in plan view, and is arranged on the upper surface of the first sheet 3 in a state of being vertically and horizontally aligned in a lattice shape.
- the length of each side of each of the exothermic agents 6a to 6c is about 7.5 mm
- the interval between adjacent exothermic agents is about 2 mm.
- the thickness of the heat generating agents 6a to 6c is not particularly limited, but is preferably 5 mm or less from the viewpoint of the feeling of use of the heat generating stretchable body 1, and particularly 2 to 3 mm. Is more preferred.
- the second sheet 7 is disposed so as to cover these heat generating agents 6 a to 6 c and the like, and the outer peripheral edge and the outer peripheral edge of the first sheet 3 are thermally bonded to each other.
- adhesive is applied to the portion of the lower surface of the second sheet 7 except for the outer peripheral edge.
- An adhesive layer (not shown) is formed, and the first sheet 3, the second sheet 7, the heat generating agents 6 a to 6 c and the like are in close contact and integrated. This integration stabilizes the arrangement of the heat generating agents 6a to 6c, etc. with respect to the first sheet 3 and the second sheet 7, so that the heating elements 6a to & c and the like are not displaced. The state at the time of sticking is stably maintained.
- an adhesive layer 10 is formed on almost the entire lower surface of the first sheet 3 by applying an adhesive containing aluminum powder having an average particle diameter of 0.5 to 50 m. Has been. By mixing the metal powder in this way, the thermal conductivity of the adhesive layer is improved, so heat is efficiently transferred from the heating element to the application site when it is applied to the application site such as the skin. Will be. A release paper 11 is attached so as to cover the adhesive layer, and the adhesive layer 10 is protected until use.
- the exothermic elastic body 1 configured as described above is provided in a state of being sealed in an outer bag formed of a non-breathable film or the like.
- the outer bag (not shown) is opened, the exothermic elastic body 1 is taken out, the release paper 11 is peeled off, and the adhesive layer 10 portion is attached to the skin.
- the heating element can be attached regardless of the form of the part to be applied such as a joint or a muscle part with large expansion and contraction. It becomes possible to hold in a close contact state.
- the heat-generating expansion / contraction body 1 is flat and stretchable, the contact area between the heat-generating expansion / contraction body and the part to be applied is increased, and the heat-generation body can be efficiently and closely adhered over a wide area. It becomes possible.
- the exothermic agents 6a to 6c and the like are arranged in an island shape, the entire exothermic agent is attached to a bent joint such as a joint as compared with a sheet-like one. It is easy to follow the part. Therefore, it becomes easier to stick the exothermic expansion body 1. Also, each of the island-like exothermic agents 6a-6c etc. The space is not constrained by the exothermic agent 6a to 6c, etc., and the exothermic elastic body 1 as a whole easily expands and contracts, so the placement of the exothermic agent 6a to 6c etc. on the application site is maintained stably. Is done.
- the heat-generating agents 6a to 6c start to generate heat due to the oxidation reaction when they come into contact with the air that has passed through the air-permeable second sheet 7, so that heat is transferred to the application site and the therapeutic effect of heat Is demonstrated.
- the heat-generating elastic body 1 as described above is used as a taping material, the effect of reinforcing the affected area by taping and the thermal effect by the heating agents 6a to 6c, etc. are synergistically exhibited, and taping is not performed. It has been confirmed that the blood flow increases compared to the case of just warming up. Therefore, in this case, the therapeutic effect of heat is even better.
- FIG. 3 is a schematic cross-sectional view showing a manufacturing process of the exothermic elastic body shown in FIG.
- a first sheet 3 is prepared which is formed by bonding a nonwoven fabric 4 and a film 5 together with an adhesive or thermocompression bonding.
- Various materials can be used for the nonwoven fabric 4 and the film 5.
- a stretchable urethane-based nonwoven fabric 4 and a stretchable urethane-based film 5 are used.
- commercially available products include FM 070 B made by Kuraray Co., Ltd., which has a stretchable urethane nonwoven fabric (4) and a stretchable urethane film (5) bonded in advance.
- polyester elastomer made by Toyobo Co., Ltd. in which a polyester-based nonwoven fabric (4) and a stretchable polyester film (5) are bonded together in advance. .
- Adhesive layer 10 is a metal powder consisting of at least one of aluminum, platinum, gold, silver, copper, titanium, etc. It is configured by applying a mixture of bodies.
- the adhesive layer 10 Therefore, the heat conductivity of the heat generating agents 6a and 6b can be efficiently transferred to the application site.
- heating agents 6a and 6b which are heating elements, are applied to the surface of the first sheet 3 on the nonwoven fabric 4 side.
- the exothermic agents 6a-6c consist of 30-60% iron powder, 9-25% activated carbon, 3-20% vermiculite, 3-7% calories. It is composed of a mixture of um salt and 15 to 25% by weight of water. Instead of vermiculite, wood flour or a mixture of wood flour and vermiculite may be used (hereinafter referred to as “vermiculite etc.”). Further, a calcium salt or a mixture of a calcium salt and a calcium salt may be used instead of the strong lithium salt. Iron powder and bar mixture may be mixed at a weight ratio within the above range, but heat generation will occur if the weight ratio of iron powder and bar mixture is 2: 1 to 3: 1. Preferred in terms of temperature and duration of heat generation.
- the second sheet 7 is prepared. Similar to the first sheet 3, the second sheet 7 is formed by bonding a stretchable urethane nonwoven fabric 8 and a stretchable urethane film 9. I mentioned above, the film 9 of the second sheet 7 is configured to have air permeability by forming a plurality of fine ventilation holes with a hook-shaped needle in advance. In this embodiment, the air flow rate of the second sheet 7 is such that the air flow rate measured by the air permeability meter is 4.5 ⁇ 0.5 liters / min / 1500 cm 2. Is set. Further, at this time, an adhesive layer (not shown) is formed by applying an adhesive to the portion of the second sheet 7 excluding the outer peripheral edge of the first sheet 3 side surface (the lower surface in the figure). .
- the outer peripheral edge of the first sheet 3 and the second sheet Heat-bond to the outer periphery of 4. Further, the first sheet 3, the second sheet 7, and the heat generating agents 6 a and 6 b are brought into close contact with each other by the adhesive on the lower surface of the second sheet 7.
- the heat generating agents 6 a and 6 b are sandwiched between the stretchable first sheet 3 and the second sheet 7. It is possible to easily manufacture the exothermic expansion / contraction body 1 that efficiently holds b in close contact with a wide range.
- FIG. 4 is a plan view showing a schematic configuration of a heat generating and expanding body according to the second embodiment of the present invention
- FIG. 5 is a cross-sectional view of the V-V line shown in FIG. .
- the basic configuration of the heat generating and expanding body 1 according to this embodiment is the same as that according to the first embodiment, so the following description will focus on the differences. .
- the structure of the heat generating body 13 sandwiched between the first sheet 3 and the second sheet 7 is different from that according to the first embodiment. ing.
- the heating element 1 3 is made of a non-woven fabric 1 5 a and 1 5 b and a breathable bag 1 4.
- the heat generating agents 6a to 6c and the like arranged in an island shape inside the bag body 14 are configured.
- each of the island-shaped exothermic agents 6a to 6c is formed in a circular shape having a diameter of about 20 mm in plan view.
- an adhesive (not shown) is applied to the entire lower surface of the nonwoven fabric 15a, and the nonwoven fabrics 15a and 15b and the heat generating agents 6a to 6c are brought into close contact with each other.
- the heating element 13 configured in this manner sandwiched between the stretchable first sheet 3 and second sheet 7, the outer periphery of the first sheet 3 and the outer periphery of the second sheet 7 And are thermally bonded.
- the heating element 13 is not bonded to either the first sheet 3 or the second sheet 7.
- the first sheet 3 and the second sheet 7 are not constrained by the heat generating body 13 and can be expanded and contracted independently from the heat generating body 13. Therefore, during use, the exothermic body 1 is affixed even to movable parts such as joints and muscles.
- FIG. 6 is a schematic cross-sectional view showing a manufacturing process of the exothermic elastic body shown in FIG.
- a first sheet 3 which is a composite sheet of nonwoven fabric 4 and film 5 is prepared. As shown in (2) in FIG. 6, the first sheet 3 is prepared. A pressure-sensitive adhesive is applied to the surface of the film 5 side of 3 to form an adhesive layer 10, and a release paper 1 1 for protecting the adhesive layer 10 is attached.
- a bag-shaped heating element 13 prepared in advance is arranged.
- the heating element 13 is configured to suppress the unevenness of the heating agents 6a and 6b to some extent, and is placed inside the bag body 14 made of the nonwoven fabrics 15a and 15b. It is sufficient that the exothermic agents 6a and 6b are enclosed. Therefore, the non-woven fabrics 15 a and 15 b may be made of a non-stretchable material. Also, it is sufficient that the bag body 14 is entirely breathable. For this purpose, it is sufficient that at least a part of the nonwoven fabrics 15 a and 15 b has air permeability. For example, heat-generating agents 6a and 6b can be applied or placed on the upper surface of a non-woven fabric 15b made of PET resin, and the non-woven fabric 15a made of PET resin can be bonded to it with an adhesive. .
- a second sheet 7 comprising a nonwoven fabric 8 and a film 9 and having stretchability and air permeability is prepared, and the heating element 13 is thereby covered.
- the outer peripheral edge of the first sheet 3 and the outer peripheral edge of the second sheet 7 are thermally bonded.
- the heating element 13 including the heating agents 6a and 6b is sandwiched between the first sheet 3 and the second sheet 7, so that the heating element 1
- the exothermic expansion / contraction body 1 that can be stretched and contracted independently of 3.
- FIG. 7 is a plan view showing a schematic configuration of the heat generating and expanding body according to the third embodiment of the present invention
- FIG. 8 is a sectional view of the VIII-VIII line shown in FIG. .
- the basic configuration of the heat generating and expanding body 1 according to this embodiment is the same as that according to the first embodiment, so the following description will focus on the differences. .
- the heat generating agent 6 constituting the exothermic body is directly arranged on the surface of the first sheet 3 on the nonwoven fabric 4 side in the form of powder. This is different from that according to the first embodiment.
- FIG. 9 is a schematic cross-sectional view showing a manufacturing process of the exothermic elastic body shown in FIG.
- a stretchable first sheet made of nonwoven fabric 4 and film 5 is used. 3 is prepared, and an adhesive is applied to the surface on the film 5 side to form an adhesive layer 10. Also, attach release paper 1 1 to cover the adhesive layer 10.
- the powdery heat generating agent 6 is directly disposed on the surface of the first sheet 3 on the nonwoven fabric 4 side.
- a second sheet 7 comprising a nonwoven fabric 8 and a film 9 and having elasticity and breathability is prepared, and the exothermic agent 6 is covered therewith.
- the outer peripheral edge of the first sheet 3 and the outer peripheral edge of the second sheet 7 are thermally bonded.
- the powdered heat generating agent 6 is sandwiched between the first sheet 3 and the second sheet 7, so that the heat generation can be performed independently of the heat generating agent 6.
- the stretchable body 1 can be easily manufactured. Further, in this embodiment, since it is only necessary to enclose the powdery exothermic agent 6 between the first sheet 3 and the second sheet 7, the configuration becomes simple and the manufacturing is easier. .
- the heating extensible body is configured such that the heating element is sandwiched between the sheet-shaped first sheet and the second sheet, but a pair of sheets is used in this way.
- it may be configured to include a heating element in a bag made of a stretchable material. At this time, if at least one part of the bag body has air permeability and at least the other part is provided with an adhesive layer, the heating element can be heated by touching air as in the above embodiments. It can be attached regardless of the shape of the application site. It is possible to keep it in a state.
- a composite sheet made of a nonwoven fabric and a film is used as the first sheet and the second sheet.
- a single-layer sheet or three-layer sheet is used.
- the above composite sheet may be used.
- the adhesive layer formed on the other surface of the first sheet contains the metal powder, but it is not always necessary to make such a configuration, and the adhesive layer is formed only with the adhesive. May be configured.
- the second sheet is made air permeable by forming a plurality of air holes in the non-air permeable film constituting the second sheet.
- the second sheet may be breathable using a breathable film.
- a paste-like heat generating agent mixed with an adhesive is used.
- the powder-like heat generating agent is formed in an island shape. It may be arranged.
- the shape of the island-shaped heat generating agent is not limited to a square, and other shapes may be used, and the area and the number of arrangement of the island-shaped heat generating agent may be increased or decreased as necessary.
- the adhesive layer is formed on the surface of the second sheet on the first sheet side.
- the adhesive of the second sheet is not necessary. There may be no layers.
- the first sheet and the second sheet may be integrated by thermally bonding the periphery of the heat generating agent.
- an adhesive layer may be formed on the entire surface of the second sheet on the first sheet side. In this case, the first sheet and the second sheet are integrated by the adhesive layer (agent). Therefore, it is not always necessary to thermally bond the outer periphery of both sides o
- the exothermic agent is shaped like a circular island.
- the heating element may be manufactured by enclosing it inside the opening.
- the exothermic stretchable body and the method for producing the same according to the present invention are suitable for thermotherapy for neuralgia, muscle pain, etc. in movable parts such as joints and muscles.
Abstract
Description
Claims
Applications Claiming Priority (2)
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JP2004-235116 | 2004-08-12 | ||
JP2004235116A JP2006051191A (ja) | 2004-08-12 | 2004-08-12 | 発熱伸縮体及びその製造方法 |
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WO2006016635A1 true WO2006016635A1 (ja) | 2006-02-16 |
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Families Citing this family (6)
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JP2008110190A (ja) * | 2006-10-06 | 2008-05-15 | Japan Pionics Co Ltd | 伸縮性発熱シート及びその製造方法、並びに発熱シート袋 |
JP5080193B2 (ja) * | 2007-10-01 | 2012-11-21 | 花王株式会社 | 目用温熱具 |
JP5284700B2 (ja) * | 2007-11-09 | 2013-09-11 | 花王株式会社 | 発熱具 |
JP2009247603A (ja) * | 2008-04-07 | 2009-10-29 | Toyo Aluminum Ekco Products Kk | 発熱構造体 |
JP5519252B2 (ja) * | 2009-11-25 | 2014-06-11 | 花王株式会社 | 伸縮性発熱体 |
JP5755421B2 (ja) * | 2010-09-13 | 2015-07-29 | アイリスオーヤマ株式会社 | 発熱体製造用積層体、及びこれを有する発熱体 |
Citations (3)
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JPH0626829U (ja) * | 1992-09-01 | 1994-04-12 | 東亜機工株式会社 | 使いすてカイロおよびそれを使用した湿布用具 |
JPH0885185A (ja) * | 1994-09-17 | 1996-04-02 | Maikoole Kk | 温熱用具 |
JP2003129041A (ja) * | 2001-10-25 | 2003-05-08 | Maikooru Kk | 発熱組成物及びこれを用いた発熱体並びにこの発熱体の製造方法 |
-
2004
- 2004-08-12 JP JP2004235116A patent/JP2006051191A/ja active Pending
-
2005
- 2005-08-04 WO PCT/JP2005/014711 patent/WO2006016635A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0626829U (ja) * | 1992-09-01 | 1994-04-12 | 東亜機工株式会社 | 使いすてカイロおよびそれを使用した湿布用具 |
JPH0885185A (ja) * | 1994-09-17 | 1996-04-02 | Maikoole Kk | 温熱用具 |
JP2003129041A (ja) * | 2001-10-25 | 2003-05-08 | Maikooru Kk | 発熱組成物及びこれを用いた発熱体並びにこの発熱体の製造方法 |
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JP2006051191A (ja) | 2006-02-23 |
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