Invention Grant
- Patent Title: Roll line
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Application No.: US17779265Application Date: 2020-11-24
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Publication No.: US11883867B2Publication Date: 2024-01-30
- Inventor: Norbert Umlauf
- Applicant: Norbert Umlauf
- Applicant Address: DE Hagen
- Assignee: Norbert Umlauf
- Current Assignee: Norbert Umlauf
- Current Assignee Address: DE Hagen
- Agency: Veros Legal Solutions, LLP
- Priority: DE 2019131761.4 2019.11.25
- International Application: PCT/DE2020/100994 2020.11.24
- International Announcement: WO2021/104574A 2021.06.03
- Date entered country: 2022-05-24
- Main IPC: B21B37/52
- IPC: B21B37/52 ; B21B39/08 ; B21C47/34

Abstract:
The invention relates to a device for rolling, in particular for stepped rolling, of rolling stock with at least one pair of rolls and at least one linear drive arranged downstream of the pair of rolls in the rolling direction, which together with the pair of rolls can apply tensile stress to the rolling stock, and with means for detecting the tensile stress. In order to enable an improved method of flexibly rolling stock, the rolling device is characterized by means for detecting the tensile stress and by a control device for controlling the drive power of the linear drive as a function of the tensile stress detected, in order optionally to vary the tensile stress applied to the stock or to keep the tensile stress constant as the drive speeds behind the roll gap change. The invention also relates to a method of rolling the rolling stock using such a device.
Public/Granted literature
- US20220402007A1 ROLL LINE Public/Granted day:2022-12-22
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