Tube bending mandrel and system using the same
US11440072B2 · kind B2 · utility
0Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2020 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Dec 17, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D53/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disclosed is a tube bending system for forming a hairpin tube, the tube bending system including: a supply of lubricant; a supply of atomizing medium; a bend mandrel, the bend mandrel comprising: a mandrel body and a mandrel head, the mandrel head being positionable within a length of a tube to be bent, the mandrel head including a downstream end with an orifice configured for injecting lubricant into the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.