CN102530401B - The manufacture method of vacuum thermal-insulation double-layer container - Google Patents
The manufacture method of vacuum thermal-insulation double-layer container Download PDFInfo
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- CN102530401B CN102530401B CN201110329547.2A CN201110329547A CN102530401B CN 102530401 B CN102530401 B CN 102530401B CN 201110329547 A CN201110329547 A CN 201110329547A CN 102530401 B CN102530401 B CN 102530401B
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- vacuum
- handled object
- urceolus
- inner core
- layer container
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- 238000009413 insulation Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims description 20
- 229910052719 titanium Inorganic materials 0.000 claims description 20
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 8
- 229910000679 solder Inorganic materials 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019990 fruit wine Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 235000015041 whisky Nutrition 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Thermally Insulated Containers For Foods (AREA)
- Packages (AREA)
- Table Devices Or Equipment (AREA)
Abstract
The invention provides the manufacture method of the high vacuum thermal-insulation double-layer container of commodity value.Metal inner core (2) to be disposed in metal urceolus (1) across spatial portion (S) and to make the spatial portion (S) between described urceolus (1) and described inner core (2) be vacuum heat-insulation spatial portion by the manufacture method of this vacuum thermal-insulation double-layer container, wherein, while utilize vacuum furnace (6) to heat the handled object (3) be made up of described urceolus (1) and described inner core (2), while bleed to the described spatial portion (S) of this handled object (3) and by aspirating hole vacuum-sealing, after this, nitrogen (T) is imported in described vacuum furnace (6), to form nitrogenize portion (10) on the surface of described handled object (3), then, heat treated is carried out to make its variable color to described nitrogenize portion (10).
Description
Technical field
The present invention relates to the manufacture method of vacuum thermal-insulation double-layer container.
Background technology
As the container injecting the beverages such as beer, propose the container having the various material such as glass system, ceramic up to now, the applicant proposes the vacuum thermal-insulation double-layer container having metal (titanium system) disclosed in No. 2003-129291, Japanese Unexamined Patent Publication.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-129291 publication
Summary of the invention
The applicant has carried out further research and development to this metal vacuum thermal-insulation double-layer container, and result have developed the epoch-making manufacture method of the vacuum thermal-insulation double-layer container that commodity value can be provided high.
With reference to accompanying drawing, purport of the present invention is described.
Relate to a kind of manufacture method of vacuum thermal-insulation double-layer container, the inner core 2 of titanium is disposed in the urceolus 1 of titanium across spatial portion S, and make the spatial portion S between described urceolus 1 and described inner core 2 be vacuum heat-insulation spatial portion, it is characterized in that, while utilize vacuum furnace 6 to heat the handled object 3 be made up of described urceolus 1 and described inner core 2, while bleed to the described spatial portion S of this handled object 3 and by aspirating hole vacuum-sealing, after this, cool described handled object 3, then, be that described handled object 3 on inversion state is configured in described vacuum furnace 6 mounting surface 6a heats to the mode closed with opening portion 3a, after this, nitrogen T is imported to form the nitrogenize portion 10 of black on the surface of described handled object 3 in described vacuum furnace 6, then, be that described handled object 3 on inversion state is configured in described vacuum furnace 6 mounting surface 6a covers chimeric cover body in the mode closed with opening portion 3a, in this condition, heat treated is carried out to described nitrogenize portion 10 and becomes white to make it, then, described handled object 3 is cooled.
In addition, in the manufacture method of the vacuum thermal-insulation double-layer container described in first aspect, it is characterized in that, when the temperature in described vacuum furnace 6 drops to the temperature lower than 700 DEG C, in this vacuum furnace 6, import nitrogen T.
In addition, in the manufacture method of the vacuum thermal-insulation double-layer container described in the either side in first aspect and second aspect, it is characterized in that, the boosting caused by the importing by described nitrogen T and jog 4,5 is set on the surface of described urceolus 1 and described inner core 2.
The vacuum thermal-insulation double-layer container obtained by the present invention is formed as presenting and makes its variable color and extremely high-grade vacuum thermal-insulation double-layer container of the unique texture in the past do not had obtained by carrying out heat treated to the nitrogenize portion being formed at metallic surface, and unique texture on the surface being located at this vacuum thermal-insulation double-layer container utilizes the nitrogenize of the nitrogen for the cooling in vacuum furnace when manufacturing this vacuum thermal-insulation double-layer container to obtain, therefore, it is possible to reliably realize, the manufacture method of the epoch-making vacuum thermal-insulation double-layer container played as the inferior action effect do not had in the past: can reliably and efficiently manufacture above-mentioned high-grade vacuum thermal-insulation double-layer container.
Accompanying drawing explanation
Fig. 1 is the vacuum thermal-insulation double-layer container manufactured according to the present embodiment.
Fig. 2 is the vertical view cutaway drawing of the vacuum thermal-insulation double-layer container according to the present embodiment manufacture.
Fig. 3 is manufacturing process's explanatory view of the vacuum thermal-insulation double-layer container that the present embodiment relates to.
Fig. 4 is the explanation sectional view of handled object 3.
Fig. 5 is the explanation sectional view of handled object 3.
Fig. 6 is manufacturing process's explanatory view of the vacuum thermal-insulation double-layer container that the present embodiment relates to.
Fig. 7 is manufacturing process's explanatory view of the vacuum thermal-insulation double-layer container that the present embodiment relates to.
Fig. 8 is manufacturing process's explanatory view of the vacuum thermal-insulation double-layer container that the present embodiment relates to.
Label declaration
S: spatial portion;
T: nitrogen;
1: urceolus;
2: inner core;
3: handled object;
3a: opening portion;
4: jog;
5: jog;
6: vacuum furnace;
10: nitrogenize portion.
Embodiment
For thinking preferred embodiments of the present invention, based on accompanying drawing, effect of the present invention being shown and illustrating simply.
In the present invention, while utilize vacuum furnace 6 to heat the handled object 3 be made up of urceolus 1 and inner core 2, while bleed to the spatial portion S of this handled object 3 and by aspirating hole vacuum-sealing, after this, nitrogen T is imported, to form nitrogenize portion 10 on the surface of handled object 3, then in vacuum furnace 6, when carrying out heat treated to this nitrogenize portion 10, the surface discolouration of this handled object 3 is connect subalbous frosted tone to present unique texture.
Therefore, it is possible to by easy method manufacture surface in the container of the brand-new design do not had so far of unique texture connecing subalbous frosted tone.
[embodiment]
Based on accompanying drawing, an embodiment specifically of the present invention is described.
The present embodiment to be disposed in urceolus 1 across spatial portion S by inner core 2 and to make the spatial portion S between urceolus 1 and inner core 2 be the manufacture method of the vacuum thermal-insulation double-layer container of vacuum heat-insulation spatial portion.In addition, in the present embodiment, vacuum thermal-insulation double-layer container is configured to the cup used when drinking the alcoholic beverage such as fruit wine, whisky, but is not limited thereto.
In addition, the urceolus 1 that the present embodiment relates to and inner core 2 have bottom tube-like body for metal (titanium system) such shown in as shown in Figure 1, Figure 2, inner core 2 is set to less than urceolus 1 diameter and highly low, and in addition, it is roughly the same that each opening portion 1a, 2a are set to diameter.In addition, the material forming urceolus 1 and inner core 2 also can be other metals such as stainless steel.
Therefore, when being configured at by inner core 2 in urceolus 1 and opening portion 1a, 2a are engaged with each other, between urceolus 1 and inner core 2, spatial portion S is formed.
In addition, the titanium in this specification sheets represents pure titanium and its alloys.In addition, consider that following situation suitably selects urceolus 1 and respective material (composition), thickness of slab, the size (shape) of inner core 2: when manufacturing as vacuum thermal-insulation double-layer container described later, the degree reduced not make the function of this vacuum thermal-insulation double-layer container (particularly heat insulating function) forms jog 4,5.
In addition, be provided with recess 1b in the bottom center of urceolus 1, be provided with the aspirating hole 1b ' when carrying out vacuum-sealing in the middle position of this recess 1b.
In addition, as shown in Figure 1 and Figure 2 in manufacturing processed described later, countless jogs 4,5 is provided with on the surface of urceolus 1 and inner core 2.
Therefore, by being located at the jog 4,5 on the surface of the vacuum thermal-insulation double-layer container be made up of described urceolus 1 and inner core 2, although be titanium system (metal), present the design as pottery with concave-convex sense.
The manufacture method of the vacuum thermal-insulation double-layer container of above employing urceolus 1 and inner core 2 is described.
First, inner core 2 is configured in urceolus 1, and by welding, opening portion 1a, 2a is engaged with each other, thus be set as handled object 3.Spatial portion S is formed between the internal surface and the outside surface of inner core 2 of the urceolus 1 of this handled object 3 of formation.This spatial portion S becomes vacuum heat-insulation spatial portion afterwards by vacuum-treat.
Next, the spatial portion S of urceolus 1 and inner core 2 is bled, and by aspirating hole 1b ' vacuum-sealing.
Specifically, as shown in Figure 3, Figure 4, handled object 3 is configured in vacuum furnace 6.Now, handled object 3 is that inversion state is configured at smooth mounting surface 6a in the mode that opening portion 3a closes, configuration solder 7 (titanium solder) around the aspirating hole 1b ' of bottom being located at urceolus 1 in this condition, and sealing plate 8 is loaded on this solder 7.
In this condition, the temperature in vacuum furnace 6 is made to reach about more than 800 DEG C, and formation vacuum state (10 of bleeding gradually
-3~ 10
-4and then make temperature rise to about 1050 DEG C Torr).
Now, solder 7 melting, urceolus 1 is integrated with sealing plate 8 and aspirating hole 1b ' is closed, and the spatial portion S between urceolus 1 and inner core 2 is in the state lower seal of vacuum state, thus forms vacuum heat-insulation spatial portion (with reference to figure 5).
Stop heating, in vacuum furnace 6, import nitrogen T in the moment being made by naturally cooling the temperature in vacuum furnace 6 drop to lower than the temperature (about 630 DEG C ~ 670 DEG C) of 700 DEG C thus recover normal pressure (forming jog 4,5 in this moment), and temperature one gas is declined until normal temperature, thus cooling handled object 3, complete vacuum-sealing operation.
Specifically, make the temperature in vacuum furnace 6 reach about more than 800 DEG C (more than the recrystallization temperature of titanium, and being about 1050 DEG C of the transformation temperature 880 DEG C (becoming the temperature of β tissue from α tissue) that exceedes titanium) and and be in vacuum state (10
-3~ 10
-4torr), this state is kept 15 minutes ~ 20 minutes.Now, the urceolus 1 of handled object 3 and inner core 2 recrystallize (forming α tissue), (part of non-recrystallization is formed as the state of coarsening in ductility increase.)。After this, stop heating, when being made the temperature in vacuum furnace 6 reach about less than 700 DEG C by naturally cooling, in vacuum furnace 6, import nitrogen T, handled object 3 is cooled rapidly, and a gas gets back to normal pressure and temperature.In the process of this heating cooling normal pressure, form jog 4,5 at urceolus 1 and inner core 2.
To prevent following situation to carry out getting back to the process of atmospheric pressure condition (importing nitrogen) lower than the temperature of 700 DEG C: under the high temperature of about more than 700 DEG C, material is too soft, if the words of (under normal pressure) under getting back to atmospheric pressure environment in this condition, can produce at urceolus 1 and inner core 2 part significantly caved in, form the position of urceolus 1 and inner core 2 abutting.But, if under getting back to normal pressure at a too low temperature, be difficult to formed concavo-convex and too expend time in, produce rate variance.
Be in urceolus 1 in the vacuum furnace 6 under this atmospheric pressure environment and inner core 2 forms countless jog 4,5 (with reference to figure 5) larger clearly on surface, fix to make described jog 4,5 by importing nitrogen T thus getting back to normal temperature.
In addition, although not shown, but when this vacuum-sealing operation, on each handled object 3, cover chimeric cover body in advance, thus when using nitrogen T to cool rapidly, each handled object 3 can not contact nitrogen T.On handled object 3, covering chimeric cover body when this vacuum-sealing operation is to make solder 7 not contact nitrogen T, this is because, when adopt titanium solder as solder 7 time, its performance as solder of the words at high temperature contacted with nitrogen T can sharply reduce.In addition, when not forming nitrogenize portion 10 at handled object 3 and cool, also argon gas can be adopted.
Then, the surface of the handled object 3 in the vacuum-sealing end of job forms nitrogenize portion 10 (nitride layer nitrogenize overlay film).
Specifically, in vacuum furnace 6, formed and do not utilize cover body to cover the state being embedded in handled object 3, heat in this condition as described above, and after adopting nitrogen T to cool rapidly, form nitrogenize portion 10 (with reference to figure 6) on the surface of handled object 3 by contacting with nitrogen T.This nitrogenize portion 10 is black frosted state.In addition, the internal surface (internal surface of inner core 2) of handled object 3, owing to not contacting thus not by nitrogenize with nitrogen T, presents the texture (with reference to figure 1) of the Color development that starting material (titanium) have.
Then, the nitrogenize portion 10 of handled object 3 is carried out to heat treated and completes manufacture.
Specifically, the state be configured in by handled object 3 in vacuum furnace 6 is formed.Now, handled object 3 with the mode that opening portion 3a closes be inversion state be configured at smooth mounting surface 6a, and then, cover chimeric cover body 11 at handled object 3.
When making the temperature in vacuum furnace 6 rise to about 1050 DEG C in this condition, nitrogenize portion 10 is heated to form white (grey) (with reference to figure 7).
Stop heating, in vacuum furnace 6, import nitrogen T in the moment being made by naturally cooling the temperature in vacuum furnace 6 drop to lower than the temperature (about 630 DEG C ~ 670 DEG C) of 700 DEG C thus recover normal pressure (forming jog 4,5 in this moment), and temperature one gas is declined until normal temperature, thus cooling handled object 3, complete the heat treated (with reference to figure 8) in nitrogenize portion 10.Now, owing to covering chimeric cover body 11 on handled object 3, the situation in the nitrogenize portion 10 again forming black is therefore prevented.
This presents unique texture to the surface discolouration of the handled object 3 after nitrogenize portion 10 heat treated for connecing subalbous frosted tone (grey).
The present embodiment is formed as described above, thus the extremely high-grade vacuum thermal-insulation double-layer container presented by carrying out the unique texture do not had that heat treated obtains to make its variable color to the nitrogenize portion 10 being formed at metallic surface is in the past obtained, and the unique texture on surface being located at this vacuum thermal-insulation double-layer container utilize when manufacturing this vacuum thermal-insulation double-layer container based in cooling vacuum process furnace time the nitrogenize of nitrogen obtain, therefore, it is possible to reliably realize, can reliably and efficiently manufacture above-mentioned high-grade vacuum thermal-insulation double-layer container.
In addition, although the present embodiment is titanium system, but obtain concave-convex sense that jog 4,5 by being located at its surface formed and present the grade high (artistry is high) of the design as pottery, higher-grade and there is the vacuum thermal-insulation double-layer container of unique such value added, and, the jog being located at the surface of this vacuum thermal-insulation double-layer container is the recrystallize utilizing titanium, therefore, it is possible to reliably realize, and reliably and efficiently can manufacture described higher-grade and unique vacuum thermal-insulation double-layer container.
In addition, the present embodiment obtains the design (titanium crystalline pattern) of the larger individual style of crystal grain by the heating urceolus 1 of handled object 3 and inner core 2, and, size, the shape and configuration etc. of this titanium crystalline pattern are random, thus, not only above-mentioned jog 4,5, and optionally can manufacture the product of various pattern.In the manufacturing process of reality, also produce the part of non-recrystallization, this part shows the pattern of original creation on the contrary, and, the present embodiment repeats the operation that heating for multiple times returns normal temperature, is therefore all formed concavo-convex at different positions at every turn, also forms the pattern of original creation thus.
In addition, in the present embodiment, not only urceolus 1, inner core 2 is also titanium system, therefore by all increasing feeling of high class further with titanium manufacture.
In addition, the present invention is not limited to the present embodiment, suitably can design the concrete structure of each integrant.
Claims (3)
1. a manufacture method for vacuum thermal-insulation double-layer container, is disposed in the inner core of titanium in the urceolus of titanium across spatial portion, and makes the spatial portion between described urceolus and described inner core be vacuum heat-insulation spatial portion, it is characterized in that,
While utilize vacuum furnace to heat the handled object be made up of described urceolus and described inner core, while bleed to the described spatial portion of this handled object and by aspirating hole vacuum-sealing, after this, cool described handled object, then, be that described handled object on inversion state is configured in described vacuum furnace mounting surface heats to the mode closed with opening portion, after this, nitrogen is imported to form the nitrogenize portion of black on the surface of described handled object in described vacuum furnace, then, be that described handled object on inversion state is configured in described vacuum furnace mounting surface covers chimeric cover body in the mode closed with opening portion, in this condition, heat treated is carried out to described nitrogenize portion and becomes white to make it, then, described handled object is cooled.
2. the manufacture method of vacuum thermal-insulation double-layer container according to claim 1, is characterized in that,
When temperature in described vacuum furnace drops to the temperature lower than 700 DEG C, in this vacuum furnace, import nitrogen.
3. the manufacture method of vacuum thermal-insulation double-layer container according to claim 1 and 2, is characterized in that,
The boosting caused by the importing by described nitrogen and jog is set on the surface of described urceolus and described inner core.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-244847 | 2010-10-30 | ||
| JP2010244847A JP5297436B2 (en) | 2010-10-30 | 2010-10-30 | Method for manufacturing vacuum insulated double container |
| JPJP2010-244847 | 2010-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102530401A CN102530401A (en) | 2012-07-04 |
| CN102530401B true CN102530401B (en) | 2015-11-18 |
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|---|---|---|---|
| CN201110329547.2A Active CN102530401B (en) | 2010-10-30 | 2011-10-26 | The manufacture method of vacuum thermal-insulation double-layer container |
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| Country | Link |
|---|---|
| JP (1) | JP5297436B2 (en) |
| CN (1) | CN102530401B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5977669B2 (en) * | 2012-12-28 | 2016-08-24 | 株式会社セブン・セブン | Method for manufacturing vacuum insulated double container |
| JP6295279B2 (en) * | 2016-01-05 | 2018-03-14 | 株式会社セブン・セブン | Method for manufacturing vacuum insulated double container |
| JP6343314B2 (en) * | 2016-09-07 | 2018-06-13 | 株式会社セブン・セブン | Shochu storage container |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06299318A (en) * | 1993-04-08 | 1994-10-25 | Citizen Watch Co Ltd | Method for finishing titanium ornament |
| CN1120593A (en) * | 1994-03-18 | 1996-04-17 | 阿苏拉布股份有限公司 | Titanium based object with high level of hardness and brilliance, method of manufacturing such an object and method of hardening and coloring a surface of such an object |
| EP0836823A1 (en) * | 1996-02-09 | 1998-04-22 | Nippon Sanso Corporation | Heat accumulating pan and heat insulation cooking container |
| CN1380856A (en) * | 2000-04-19 | 2002-11-20 | 西铁城钟表股份有限公司 | Tableware and method for surface treatment thereof, substrate having hard decorative coating film and method for production thereof, and cutlery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4895863A (en) * | 1972-03-21 | 1973-12-08 | ||
| JP2943626B2 (en) * | 1994-10-04 | 1999-08-30 | 日本鋼管株式会社 | Surface hardening method for titanium material |
| JP4664465B2 (en) * | 2000-04-19 | 2011-04-06 | シチズンホールディングス株式会社 | Base material with hard decorative coating |
| JP4767298B2 (en) * | 2008-09-22 | 2011-09-07 | 株式会社セブン・セブン | Method for manufacturing vacuum insulated double container |
-
2010
- 2010-10-30 JP JP2010244847A patent/JP5297436B2/en active Active
-
2011
- 2011-10-26 CN CN201110329547.2A patent/CN102530401B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06299318A (en) * | 1993-04-08 | 1994-10-25 | Citizen Watch Co Ltd | Method for finishing titanium ornament |
| CN1120593A (en) * | 1994-03-18 | 1996-04-17 | 阿苏拉布股份有限公司 | Titanium based object with high level of hardness and brilliance, method of manufacturing such an object and method of hardening and coloring a surface of such an object |
| EP0836823A1 (en) * | 1996-02-09 | 1998-04-22 | Nippon Sanso Corporation | Heat accumulating pan and heat insulation cooking container |
| CN1380856A (en) * | 2000-04-19 | 2002-11-20 | 西铁城钟表股份有限公司 | Tableware and method for surface treatment thereof, substrate having hard decorative coating film and method for production thereof, and cutlery |
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| Publication number | Publication date |
|---|---|
| CN102530401A (en) | 2012-07-04 |
| JP5297436B2 (en) | 2013-09-25 |
| JP2012097311A (en) | 2012-05-24 |
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