Hermetically sealed lamp housing and method of making
US6976770B2 · kind B2 · utility
9Cited by
27References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2002 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Jul 19, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V14/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention comprises a lamp assembly with a boot hermetically cohered to the housing. The housing comprises a thermoplastic polymer and the boot comprises a thermoplastic elastomer. The boot is cohered to the housing by welding. According to one embodiment, the boot is sonic or vibration welded to the housing. The present invention may be used in the production of a wide range of lamp assemblies, including vehicle headlamp assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.