Double pipe forked part structure and method of making the same
US7350823B2 · kind B2 · utility
5Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Oct 14, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49361
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A forked part structure of a double pipe has an outer pipe, an inner pipe, a branch pipe and an open end portion of the outer pipe. The open end portion of the outer pipe has a substantially tubular inner pipe supporting portion to which the inner pipe is brazed, and a substantially tubular branch pipe supporting portion to which the branch pipe is brazed. The inner pipe supporting portion is located inward of a main portion of the outer pipe along an extending direction of the main portion of the outer pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.