Apparatus and method for forming duct flanges and duct work
US11213878B2 · kind B2 · utility
1Cited by
34References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2020 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Feb 27, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F13/0209
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus and method are disclosed for the automated manufacture of a duct flange profile to make small duct fittings, including a transverse duct flange duct flange profile. The duct flange profile is directed to small part duct fittings with section widths up to about 16 inches in 20 to 26 gauge metal. The apparatus includes a bending head assembly having a drive roller, a pressure roller, an anvil and a bending leaf and a roll form assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.