Method of inspection for splices used for joining webs in a manufacturing process
US3967994A · kind A · utility
15Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1974 |
| Grant date | Jul 6, 1976 |
| Priority date | — |
| Expiry date | Oct 9, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N22/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method is disclosed for maintaining continuity in a manufacturing process employing one or more webs provided in the form of shorter raw material webs in which the raw material webs are spliced together end-to-end as the preceeding web of the same material is depleted, and those web portions containing splice material are detected at a later stage of the process by a microwave detector. A microwave detector is provided in the form of a slotted microwave cavity through which the web may be continuously passed to detect the splicing tape in the web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.