Apparatus and method for forming duct flanges and duct work
US11697147B2 · kind B2 · utility
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33References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2021 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Nov 16, 2041 |
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 TDF 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.