Rolling head for rolling pipe threads, apparatus and pipe column blank machined by the apparatus
US10464119B2 · kind B2 · utility
0Cited by
14References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 2013 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Mar 13, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L15/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rolling head for rolling pipe threads includes at least two rolling wheels and a rolling wheel seat for positioning the rolling wheels, in which the rolling wheel includes a rolling wheel body and a rolling wheel axle, the rolling wheel body includes a rolling wheel pipe thread forming portion, an axial movement space is present in a direction along the rolling wheel axle of the rolling wheel relative to the rolling wheel seat, an axial distance of the axial movement space is 0.5 thread pitch to 1 thread pitch of a corresponding thread of the rolling wheel pipe thread forming portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.