Thread detector assembly
US5096038A · kind A · utility
8Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1990 |
| Grant date | Mar 17, 1992 |
| Priority date | — |
| Expiry date | Aug 13, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A thread detector assembly for detecting an activated, elongate thread which is integral with a sheet comprises an elongate detector or set of detectors. A conveyor is provided to cause relative movement between a sheet and a detector. The detector or detectors extend at an acute angle to the thread in use whereby the thread is presented successively to different parts of the detector or detectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.