Automatic device for bringing into register a tool mounted on a rotary cylinder for processing products in sheet form
US4618391A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1984 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | Aug 1, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Device for bringing into register a tool mounted on a rotary cylinder for processing products in sheet form, such as a tool for cutting out, creasing, or printing sheets of cardboard in a machine for making and printing corrugated cardboard boxes, comprising a coder (22) providing information representing the theoretical advance of the sheets (10, 11), a coder (23) providing information representing the angle of adjustment given to the tool holder (1), a detector (20) of the passage of a reference mark (15) on the sheet (11) to a point situated upstream of the tool holder, a detector (36) of the theoretical passage of this reference mark at a selected distance slightly downstream of the first detector (20), and a computer (33) supplying correction commands to the correction motor (8) of the tool holder in order that the tool will arrive in phase with the incident sheet (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.