Method of producing a hood, and a hood produced according to the method
US7036157B1 · kind B1 · utility
7Cited by
20References
113Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2000 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Jan 10, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/1642
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The disclosure relates to a method of producing a hood for a hearing protector by injection moulding of plastic material. The hood is injection moulded to a single contiguous piece employing at least two plastic materials possessing different properties in at least one respect. The plastic materials may be both homogeneous and in porous or foamed form. A hood for a hearing protector is produced from plastic by injection moulding. The hood includes at least two portions or layers which are united to one another. The portions or layers consist of plastic materials with different properties in at least one respect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.