JPH01135298U - - Google Patents
Info
- Publication number
- JPH01135298U JPH01135298U JP3120888U JP3120888U JPH01135298U JP H01135298 U JPH01135298 U JP H01135298U JP 3120888 U JP3120888 U JP 3120888U JP 3120888 U JP3120888 U JP 3120888U JP H01135298 U JPH01135298 U JP H01135298U
- Authority
- JP
- Japan
- Prior art keywords
- contact surface
- exhaust hole
- welded
- fitting
- center
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Description
第１図は本考案の実施例を示す縦断面図である
。第２図及び第３図は、従前の真空封じ構造の説
明図である。
１……内管、２……外管、３……断熱空間、５
……接続用受金具、６……締付機構、７……被接
続金具、８……無酸素銅管、１０……ガスケツト
。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention. FIGS. 2 and 3 are explanatory diagrams of a conventional vacuum sealing structure. 1... Inner pipe, 2... Outer pipe, 3... Heat insulation space, 5
... Connecting bracket, 6... Tightening mechanism, 7... Connected fitting, 8... Oxygen-free copper pipe, 10... Gasket.
Claims (1)
え、真空断熱構造体へその内部空間３と連通状に
溶接固着した接続用受金具５と；中央に排気孔７
ｂをまた前端に当り面７ａを夫々備え、真空引き
後に圧接される無酸素銅管８を前記排気孔７ｂと
連通状に溶接固着した被接続金具７と；対向せし
めた接続用受金具５の当り面５ａと被接続金具７
の当り面７ａとの間に介設した金属ガスケツト１
０と；前記接続用受金具５と被接続金具７とを着
脱自在に連結する締付機構６とから構成した真空
断熱空間の真空封じ構造。 A connecting bracket 5 is provided with an exhaust hole 5d at the center and a contact surface 5a at the front end, and is welded and fixed to the vacuum insulation structure so as to communicate with the internal space 3; an exhaust hole 7 at the center.
b are each provided with a contact surface 7a at the front end, and an oxygen-free copper tube 8 to be welded under pressure after evacuation is welded and fixed in communication with the exhaust hole 7b; Contact surface 5a and connected metal fitting 7
Metal gasket 1 interposed between contact surface 7a of
0: A vacuum sealing structure for a vacuum heat-insulated space, which is composed of a tightening mechanism 6 that removably connects the connection receiving fitting 5 and the connected fitting 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3120888U JPH0514077Y2 (en) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3120888U JPH0514077Y2 (en) | 1988-03-09 | 1988-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01135298U true JPH01135298U (en) | 1989-09-14 |
| JPH0514077Y2 JPH0514077Y2 (en) | 1993-04-14 |
Family
ID=31256903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3120888U Expired - Lifetime JPH0514077Y2 (en) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514077Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021181796A (en) * | 2020-05-18 | 2021-11-25 | 三恵技研工業株式会社 | Vacuum heat insulating pipe and maintenance method thereof |
-
1988
- 1988-03-09 JP JP3120888U patent/JPH0514077Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021181796A (en) * | 2020-05-18 | 2021-11-25 | 三恵技研工業株式会社 | Vacuum heat insulating pipe and maintenance method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514077Y2 (en) | 1993-04-14 |
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