Roller dice device, method for manufacturing insulator coil and winding apparatus
US8336357B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2009 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Mar 16, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C3/08
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A roller dice device includes a pair of rolling rollers respectively including circumferential rolling grooves formed at outer circumferential surfaces thereof, a supporting portion rotatably supporting the pair of rolling rollers respectively around roller axes extending in parallel with each other, a spaced portion configured by a rolling portion, through which a rolling material moves, and formed by the circumferential rolling grooves facing each other, and a restricting portion formed at the outer circumferential surfaces of the pair of the rolling rollers and restricting displacement of the pair of rolling rollers relative to each other in the axial direction of the roller axes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.