WO2006100770A1 - 断熱容器 - Google Patents
断熱容器 Download PDFInfo
- Publication number
- WO2006100770A1 WO2006100770A1 PCT/JP2005/005280 JP2005005280W WO2006100770A1 WO 2006100770 A1 WO2006100770 A1 WO 2006100770A1 JP 2005005280 W JP2005005280 W JP 2005005280W WO 2006100770 A1 WO2006100770 A1 WO 2006100770A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- radiant heat
- glass
- vicinity
- opening
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
- A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
- A47J41/022—Constructional details of the elements forming vacuum space
- A47J41/024—Constructional details of the elements forming vacuum space made of glass
- A47J41/026—Protective elements therefor, e.g. liner, support or housing
-
- 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
- A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
- A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
- A47J41/022—Constructional details of the elements forming vacuum space
- A47J41/024—Constructional details of the elements forming vacuum space made of glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3837—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container
- B65D81/3841—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container formed with double walls, i.e. hollow
Definitions
- the present invention relates to a heat insulating container, and more particularly to a glass heat insulating container formed by joining an inner container and an outer container and evacuating a space between them.
- a heat insulating container made of glass is provided with a certain space inside an outer container made of glass, and the inner container made of glass is arranged, and the vicinity of the opening is heated by a gas spanner or the like.
- the inner container and the outer container are joined together by melting and the gap is evacuated to provide a vacuum heat insulating layer.
- the outer surface of the inner container is an ITO film (a material in which tin (Sn) is rubbed with an oxide of indium (In)), etc. (See, for example, Patent Document 1).
- Patent Document 1 JP 2003-299582
- cracks 108 may occur in the cracked area.
- the cracked partial force protrudes from the softened glass, and the raised portion 110 may be generated.
- the radiant heat prevention film 102 forms a sphere 112 microscopically as shown in FIG. 3 (E), causing a whitening phenomenon that becomes macroscopically white.
- This whitening phenomenon is caused by welding This is because the flame of the time blows a part of the radiant heat prevention film 102 and becomes porous, and the particulate ITO remains, or the crystallization of the amorphous part is accelerated by heating to become a porous state. it is conceivable that.
- Fig. 4 shows an electron microscope (hereinafter referred to as SEM) photograph of the portion where cracks were generated by actually heating the glass coated with a coating as a radiant heat prevention film.
- Fig. 4 (A) is a SEM photograph with the cross section of the cracked part magnified 500 times
- Fig. 4 ( ⁇ ) is a SEM photograph with the same part as Fig. 4 ( ⁇ ) magnified 2,000 times.
- Fig. 5 (A) is a 5,000 times SEM photo of the part where the cracks occurred in the capsule, which is different from Fig. 4, and
- Fig. 5 (B) is the same part as Fig. 5 (A).
- FIG. 7 is a SEM photograph of 20,000 times the unheated portion of the glass surface coated with the capsule for comparison with FIGS.
- the present invention has been made to solve such a problem, and an object thereof is to prevent cracking of a radiant heat preventive film generated in the vicinity of an opening.
- the heat insulating container of the present invention at least one of a glass inner container and a glass outer container is coated with a radiant heat prevention film, and the inner container is provided with a gap in the outer container. It is formed by heating and melting the inner container and the tub or the vicinity of the opening of the outer container, joining the inner container and the outer container, and evacuating and sealing the gap.
- an uncovered region of the radiant heat preventive film is provided in the vicinity of the opening of the surface coated with the radiant preventive film.
- the heat insulating container of the present invention is characterized in that the uncovered region is a region heated when the inner container and the outer container are joined.
- the heat insulating container of the present invention at least one of the glass inner container and the glass outer container is coated with a radiation heat-preventing film, and the inner container is disposed in the outer container.
- the inner container and Z or the vicinity of the opening of the outer container are heated and melted to join the inner container and the outer container, and the gap is evacuated and sealed.
- the vicinity of the opening of the heat insulating container is non-whitened and transparent.
- the area near the opening is not provided with the non-covered area of the radiation preventing film, that is, the area provided with the radiation heat preventing film.
- the radiant heat protection film will not crack. Therefore, even if the vicinity of the opening is deformed at the time of bonding, the radiant heat prevention film does not dig into the glass, nor does it cause cracks, and the cracked partial force glass does not protrude to form a raised part. Therefore, breakage of the heat insulation container due to stress concentration near the opening is drastically reduced and the defect rate is reduced, and thus the manufacturing cost can be reduced. Furthermore, the whitening phenomenon is prevented and the appearance is not impaired.
- the non-covered region is a region that is heated when the inner container and the outer container are joined, the non-covered region is the minimum necessary region, and the reduction of the radiant heat prevention effect is kept to a minimum. be able to.
- FIG. 1 is a schematic cross-sectional view of a heat insulating container according to a preferred embodiment of the present invention.
- FIG. 2 is a view showing a state of joining an inner container and an outer container of a heat insulating container according to a preferred embodiment of the present invention
- FIG. 2 (A) is an inner container disposed inside the upper outer container
- FIG. 2 (B) and FIG. 2 (E) are diagrams showing a process of joining openings.
- FIG. 3 Explains the prior art showing the state of heating glass coated with a radiant heat prevention film.
- Fig. 3 (A) is the state before heating
- Fig. 3 (B) is the state where the glass expands due to heating and the radiant heat protection film is cracked
- Fig. 3 (C) is Fig. Fig. 3 (D) shows a state in which a raised portion is generated
- Fig. 3 (E) shows a state in which IT O is turned into a sphere by heating the glass.
- FIG. 3 (A) is the state before heating
- Fig. 3 (B) is the state where the glass expands due to heating and the radiant heat protection film is cracked
- Fig. 3 (C) is Fig. Fig. 3 (D) shows a state in which a raised portion is generated
- Fig. 3 (E) shows a state in which IT O is turned into a sphere by heating the glass.
- FIG. 3 (A) is the state before heating
- Fig. 3 (B) is the state where
- FIG. 4 SEM photograph of the cross section of the ITO film where cracks occurred.
- Fig. 4 (A) is an enlarged photograph of 500 times
- Fig. 4 ( ⁇ ) is an enlarged photograph of 2,000 times.
- FIG. 5 SEM photograph of the part of the capsule where cracks occurred, differing from Fig. 4, and Fig. 5 (A) shows 5,0
- Figure 5 ( ⁇ ) is an enlarged photo of 20,000x.
- FIG. 7 Magnified photo of the transparent capsule before heating, 20,000 times larger.
- FIG. 1 is a cross-sectional view of a heat-insulating container 10 that is useful for an embodiment of the present invention.
- the heat insulating container 10 of the present embodiment includes a glass inner container 12 and a glass outer container 16 disposed with a gap 14 having a certain width outside the inner container 12. Is provided.
- the outer container 16 is formed by joining an upper outer container 16a and a lower outer container 16b, and the inner container 12 and the upper outer container 16a are joined at the opening 18.
- a pad 20 is arranged between the lower surface of the container 12 at the lower end of the upper outer container 16a so that the gap portion 14 is provided with a constant width, and the gap portion 14 is kept in a vacuum state. .
- the outer surface of the inner container 12 is covered with a radiant heat preventive film 24 that can be seen through except the vicinity 22 of the opening on the outer surface. That is, an uncovered region 26 that is not covered with the radiant heat prevention film 24 is formed in the vicinity of the opening 22.
- the uncovered region 26 is a region that is heated and deformed when the inner container 12 and the outer container 16 are joined together, and in the present embodiment, is a region that is about 20 mm or less from the open end.
- the range of the uncovered region is not limited to this, and can be appropriately changed depending on the shape and size of the heat insulating container, and is preferably 50 mm or less, more preferably 20 mm or less.
- the radiant heat preventive film 24 is illustrated.
- at least one of the inner container 12 and the outer container 16 may be coated on the inner surface of the outer container 16 or may be coated on both the outer surface of the inner container 12 and the inner surface of the outer container 16. Any one of them should be covered with the radiant heat prevention film 24.
- an ITO film is used in the present embodiment, but the present invention is not limited to this, and may be a metal oxide (semiconductor) such as ZnO, SiO 2, SnO 2, or TiO.
- the radiant heat prevention film 24 is coated by a sputtering method in the present embodiment, but the film forming method is not based on the sputtering method, but coating by CVD, PVD, sol-gel method, hot spray method, etc. It may be coated by spraying using a spin coating, coating by spin coating, or dip coating.
- the inner container 12 is formed and processed into a desired shape, and an outer container 16 having a shape substantially similar to the inner container 12 is formed in such a dimension that the inner container 12 can be accommodated with a gap 14 therebetween.
- the outer container 16 is manufactured by being divided into two parts: an upper outer container 16a including the opening 18 and a lower outer container 16b including the bottom exhaust tip tube 28.
- masking is performed, for example, by sticking a tape to an area where the opening end force of the inner container 12 is also about 20 mm, and radiant heat is prevented by the above-described coating method, vapor deposition method, and sputtering method. Cover membrane 24. Thereafter, by removing the masking, an uncovered region 26 of the radiant heat prevention film 24 is provided in the vicinity of the opening 22 approximately 20 mm from the opening end.
- the opening 18a of the inner container 12 is replaced with the opening 18b of the outer container 16.
- the inner container 12 is arranged in the upper outer container 16 so as to protrude from the top.
- the pad 20 is sandwiched between the lower end of the upper outer container 16 and the outer surface of the inner container 12, and a gap portion 14 having a constant interval is formed between the inner container 12 and the upper outer container 16.
- the inner container 12 is rotated while the mouths of the inner container 12 and the outer container 16 are heated by the burner 32, and the vicinity 22 of the opening of the inner container 12 is melted over the entire circumference. Then, as shown in FIG. 2 (B), the melted portion is opened outward by the opening jig 34, and the molding jig 36 is pushed into the opening 18a as shown in FIG. 2 (C). As shown in Fig. 2 (D), the opening 18a is flattened according to the shape of the forming jig 36, and the opening 18a of the inner vessel 12 and the opening of the outer vessel 16 are opened as shown in Fig. 2 (E). Combined with part 18b.
- the lower outer container 16b is arranged so as to enclose the bottom 12a from the bottom 12a of the inner container 12 according to the arrow in the figure, and the upper outer container 16a
- the lower outer container 16b is welded and integrated to form a double container.
- the gap portion 14 is evacuated, for example, reaches below a predetermined degree of vacuum 133.3 X 10- 3 Pa, by welding the exhaust tip tube 28 Vacuum Seal
- the heat insulating container 10 of the present embodiment at least one of the glass inner container 12 and the glass outer container 16 is covered with the radiant heat prevention film 24, and the inner container 12 is covered.
- a space 14 is provided in the outer container 16, and the inner container 12 and Z or the vicinity of the opening of the outer container 16 are heated and melted to join the inner container 12 and the outer container 16.
- the heat insulating container 10 formed by evacuation and sealing is characterized in that an uncovered region 26 of the radiant heat preventive film 24 is provided in the vicinity of the opening 22 on the surface coated with the radiant preventive film.
- the radiant heat preventive film 24 is not covered in the vicinity of the opening 22, the radiant heat preventive film 24 is not cracked when the vicinity of the opening 22 is heated and melted. Therefore, even if the vicinity of the opening 18 is deformed at the time of joining, the radiant heat prevention film 24 does not penetrate into the inside of the glass, does not cause a crack, and the glass does not protrude at the cracked portion. Therefore, cracks due to stress concentration in the vicinity of the opening 22 are drastically reduced, and the defect rate is reduced. As a result, the manufacturing cost can be reduced, and the reduction in sudden cracking is eliminated, so that safety is also high. Further, the whitening phenomenon is prevented and the appearance is not impaired.
- the heat insulating container 10 of the present embodiment is characterized in that the uncovered region 26 is a region that is heated when the inner container 12 and the outer container 16 are joined.
- the uncovered region 26 is a region that is heated when the inner container 12 and the outer container 16 are joined, the uncovered region 26 is the minimum necessary and the reduction in the radiant heat prevention effect is minimized. Can be stopped.
- the heat insulating container 10 of the present embodiment is characterized in that the radiant heat prevention film 24 is covered with the inner container 12, and the vicinity of the opening of the heat insulating container 10 is non-whitened and transparent.
- the shape of the heat insulating container can be various shapes without being limited to the illustrated shape.
- the manufacturing method of the heat insulating container is not limited to the method of dividing the outer container into two as described above.
- the outer container is molded as an integral part with an open bottom, the inner container is inserted through the bottom opening of the outer container and placed inside the outer container, and then the bottom of the outer container is reduced in diameter to form a double heat insulating container. It can also be formed.
- the outer container is formed as an integrated body with an opening at the mouth, the inner container is inserted through the mouth opening of the outer container and placed inside the outer container, and then the mouth of the outer container is reduced in diameter.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Thermally Insulated Containers For Foods (AREA)
- Packages (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112005003087T DE112005003087T5 (de) | 2005-03-23 | 2005-03-23 | Wärmeisolierter Behälter |
JP2007509123A JPWO2006100770A1 (ja) | 2005-03-23 | 2005-03-23 | 断熱容器 |
CA002585570A CA2585570A1 (en) | 2005-03-23 | 2005-03-23 | Heat insulated container |
US11/667,536 US20070295684A1 (en) | 2005-03-23 | 2005-03-23 | Heat Insulated Container |
PCT/JP2005/005280 WO2006100770A1 (ja) | 2005-03-23 | 2005-03-23 | 断熱容器 |
GB0708742A GB2434440A (en) | 2005-03-23 | 2007-05-04 | Heat insulated container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/005280 WO2006100770A1 (ja) | 2005-03-23 | 2005-03-23 | 断熱容器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006100770A1 true WO2006100770A1 (ja) | 2006-09-28 |
Family
ID=37023467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/005280 WO2006100770A1 (ja) | 2005-03-23 | 2005-03-23 | 断熱容器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070295684A1 (ja) |
JP (1) | JPWO2006100770A1 (ja) |
CA (1) | CA2585570A1 (ja) |
DE (1) | DE112005003087T5 (ja) |
GB (1) | GB2434440A (ja) |
WO (1) | WO2006100770A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018104005A (ja) * | 2016-12-22 | 2018-07-05 | トヨタ自動車株式会社 | 真空断熱容器 |
JP2019038601A (ja) * | 2017-08-28 | 2019-03-14 | トヨタ自動車株式会社 | 真空断熱容器 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2590409A1 (en) * | 2005-03-28 | 2006-10-05 | Thermos K.K. | Heat insulated container |
US9504349B2 (en) * | 2008-06-12 | 2016-11-29 | Breville Pty Ltd | Carafe with off centre opening |
USD680805S1 (en) | 2011-09-17 | 2013-04-30 | Steel Technology, Llc | Wide mouth flask |
CN104799715A (zh) * | 2014-01-26 | 2015-07-29 | 周森祥 | 可局部传导的真空容器和储存及保温组件 |
JP1588037S (ja) * | 2015-07-13 | 2017-10-10 | ||
BE1023257B1 (nl) * | 2015-12-22 | 2017-01-12 | Allibert Hovac Nv | Glazen container voor een isolerende fles |
JP6481674B2 (ja) * | 2016-11-18 | 2019-03-13 | トヨタ自動車株式会社 | 真空断熱容器 |
JP6812929B2 (ja) * | 2017-08-30 | 2021-01-13 | トヨタ自動車株式会社 | 溶湯保持容器 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130654A (ja) * | 1974-09-09 | 1976-03-16 | Hiroshi Nakanishi | Toshimadotsukimahobin no seizoho |
JPS648338U (ja) * | 1987-07-02 | 1989-01-18 | ||
JPH08224178A (ja) * | 1994-12-20 | 1996-09-03 | Nippon Sanso Kk | 断熱容器とその製造方法 |
JP2000060743A (ja) * | 1998-06-09 | 2000-02-29 | Nippon Sanso Kk | 透明断熱容器 |
JP2000197568A (ja) * | 1999-01-07 | 2000-07-18 | Tiger Vacuum Bottle Co Ltd | 金属製真空保温容器およびその製造方法 |
WO2002018232A1 (fr) * | 2000-08-30 | 2002-03-07 | Nippon Sanso Corporation | Conteneur isotherme |
JP2004017994A (ja) * | 2002-06-13 | 2004-01-22 | Thermos Kk | 断熱容器およびその製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4997124A (en) * | 1988-04-20 | 1991-03-05 | Zojirushi Corporation | Vacuum-insulated, double-walled metal structure and method for its production |
JP2920060B2 (ja) * | 1994-02-03 | 1999-07-19 | 日本酸素株式会社 | 断熱容器とその製造方法 |
JP2963664B2 (ja) * | 1996-11-22 | 1999-10-18 | 日本酸素株式会社 | 合成樹脂製断熱容器および合成樹脂製断熱蓋 |
-
2005
- 2005-03-23 US US11/667,536 patent/US20070295684A1/en not_active Abandoned
- 2005-03-23 CA CA002585570A patent/CA2585570A1/en not_active Abandoned
- 2005-03-23 JP JP2007509123A patent/JPWO2006100770A1/ja active Pending
- 2005-03-23 DE DE112005003087T patent/DE112005003087T5/de not_active Withdrawn
- 2005-03-23 WO PCT/JP2005/005280 patent/WO2006100770A1/ja not_active Application Discontinuation
-
2007
- 2007-05-04 GB GB0708742A patent/GB2434440A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130654A (ja) * | 1974-09-09 | 1976-03-16 | Hiroshi Nakanishi | Toshimadotsukimahobin no seizoho |
JPS648338U (ja) * | 1987-07-02 | 1989-01-18 | ||
JPH08224178A (ja) * | 1994-12-20 | 1996-09-03 | Nippon Sanso Kk | 断熱容器とその製造方法 |
JP2000060743A (ja) * | 1998-06-09 | 2000-02-29 | Nippon Sanso Kk | 透明断熱容器 |
JP2000197568A (ja) * | 1999-01-07 | 2000-07-18 | Tiger Vacuum Bottle Co Ltd | 金属製真空保温容器およびその製造方法 |
WO2002018232A1 (fr) * | 2000-08-30 | 2002-03-07 | Nippon Sanso Corporation | Conteneur isotherme |
JP2004017994A (ja) * | 2002-06-13 | 2004-01-22 | Thermos Kk | 断熱容器およびその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018104005A (ja) * | 2016-12-22 | 2018-07-05 | トヨタ自動車株式会社 | 真空断熱容器 |
JP2019038601A (ja) * | 2017-08-28 | 2019-03-14 | トヨタ自動車株式会社 | 真空断熱容器 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006100770A1 (ja) | 2008-08-28 |
CA2585570A1 (en) | 2006-09-28 |
DE112005003087T5 (de) | 2007-10-18 |
US20070295684A1 (en) | 2007-12-27 |
GB0708742D0 (en) | 2007-06-20 |
GB2434440A (en) | 2007-07-25 |
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