Apparatus and method for slitting thin webs
US5794500A · kind A · utility
16Cited by
25References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Dec 31, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8776
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Knives (28, 30, 122) are held in tangential, resilient (106, 108) or fixed (132, 136) contact with a surface of an air bar (12-20) or air table (142); so that a web (26) moving on a cushion of air (46) over the air bar or table is cleanly slit into webs (32, 34, 36) of smaller width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.