Method and apparatus for checking the wrapping state of a roll
US6178385A · kind A · utility
1Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1998 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Dec 23, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/952
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of and apparatus for checking a wrapping state of a wrapped roll having end face covers by detecting the force required to press-fit a bushing into a cylindrical core tube and comparing the detected force with a threshold value which is based on the correlation between the force required to press-fit the bushing into the cylindrical core tube and the state of tucking of the end face covers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.