Connected structure of vacuum double pipe, vacuum double pipe, and joint of vacuum double pipe
US8590942B2 · kind B2 · utility
2Cited by
23References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 28, 2011 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Jul 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/67017
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The connected structure includes a plurality of vacuum double pipes and a joint connecting the plurality of vacuum double pipes. Each vacuum double pipe includes an inner pipe and an outer pipe, and a vacuum passage is formed between the inner pipe and the outer pipe. The vacuum passage is open at both ends in an extension direction of the inner pipe and sealed between the both ends. The joint includes an inner pipe joint portion having inner pipe connectors and an outer pipe joint portion having outer pipe connectors. The joint evacuation passage connects the vacuum passages and is sealed between the outer pipe connectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.