Single revolution die cutter
US6209433A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1999 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Feb 10, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9372
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A rotary die cutter, comprising a frame, an anvil roll revolvably attached to the frame, a die roll revolvably attached to the frame and positioned in operable contact with the anvil roll, and a drive mechanism for revolving the anvil roll and the die roll. The apparatus further includes an engagement mechanism for selectively engaging and disengaging the drive mechanism from driving the anvil roll and the die roll. The engagement mechanism preferably includes a single revolution clutch that is released by energizing a solenoid. The invention further includes a method of die cutting product comprising the steps of turning a motor, feeding the product sheet between an anvil roll and a die roll and unlatching a clutch to engage the motor with the anvil roll and die roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.