Duct
US9746107B2 · kind B2 · utility
2Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2012 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | May 31, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F13/0245
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A duct in which the welding strength of the parting lines is enhanced and which facilitates the attaching job is provided. The duct of the present embodying mode has a mean thickness of the entire duct of 1 mm or less, and includes projections on inner surface sides of the duct on the parting lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.