Detectable earplug
US4936411A · kind A · utility
55Cited by
3References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1988 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Aug 19, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B90/39
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A molded detectable earplug assembly includes a pair of earplugs into which a metal, magnetic or X-ray detectable insert is provided. Preferably the earplugs are in pairs connected by a cord. The metal, magnetic or X-ray detectable sphere is detectable by metal, magnetic or X-ray detecting equipment and will announce the presence of an earplug in a product which was processed in a food, beverage, tobacco, or pharmaceutical processing line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.