Machine to sharpen bars to a point
US5546782A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 20, 1994 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Sep 20, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C5/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Machine to sharpen bars to a point, especially bars to be drawn, which comprises at least one sharpening assembly and at least one assembly for displacement of the bar in relation to the sharpening assembly, the sharpening assembly (31) consisting of two counterpart rolls (11) each of which contains on the plane of positioning of the bar a groove (24) including at least two sections of reduction, means (14-15) being comprised for the circumferential positioning of the rolls (11) at the desired section of reduction, there also being included at least one rolling assembly (27a) upstream of the sharpening assembly (31) and at least one rolling assembly (27b) downstream of the sharpening assembly (31), such rolling assemblies (27) operating on the bar on a plane substantially at a right angle to the plane of reduction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.