Cover for sealing ring of an earmuff
US5704069A · kind A · utility
11Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 1995 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Jun 14, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Use of a superabsorbent nonwoven material in a moisture absorbing cover for an earmuff. A moisture absorbing ring-shaped cover for a sealing ring of an earmuff includes an inner layer (23) of super-absorbent fiber material. A device for use in moisture absorption at an earmuff comprises a cover (7) of this type and a supplementary cover (9) of the same construction intended for application within the earmuff and with a form corresponding to that of the area encompassed by the ring-shaped cover (7).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.