Transfer pipe of dried concentrate and breakage detecting method of transfer pipe
US7857553B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2008 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Sep 23, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2201/30
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A transfer pipe of dried concentrate for transferring dried concentrate, having a double pipe structure, comprising an inner pipe 2 through which the dried concentrate is transferred by compressed air, an outer pipe 3 arranged around the outer periphery of the inner pipe 2, and a joint flange 5 forming an annular space 4 sealed between the inner pipe 2 and the outer pipe 3, arranged at both ends of the inner pipe 2 and the outer pipe 3, and integrally fixing the inner pipe 2 and the outer pipe 3; wherein the inner pipe 2 is positioned inside the outer pipe 3 and is formed of a metal pipe 2a forming the annular space 4, a ceramic sleeve 2c forming an innermost layer of the metal pipe, and a filler 2b for fixing the ceramic sleeve 2c provided between the metal pipe 2a and the ceramic sleeve 2c.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.