Method and apparatus for fabricating helically shaped ribbons of material
US7111483B2 · kind B2 · utility
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11References
19Claims
0Family size
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Key dates
| Filing date | Sep 19, 2003 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Sep 6, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F13/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Apparatus and methods are utilized to form turbulators. The apparatus includes a first mechanism for accepting a ribbon of material along an axis, a second mechanism for rotating an end of the ribbon of material, and a third mechanism for moving the second mechanism substantially parallel to the axis. The third mechanism is configured to operate independently from the operation of the second mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.