Patent · US Expired

Reflector as well as process and means for its production

US5760159A · kind A · utility

1Cited by

3References

6Claims

0Family size

Assignees

BAKELITE GMBH · DE
Magneti Marelli S.p.A. · IT

Inventors

Jose Poch Parramon · Iserlohn, DE
Roland Glagla · Iserlohn, DE
Dirk Schmidt · Königstein, DE
Maurizio Manilo Monticelli · Varese, IT
Santo Lepore · Torino, IT

Key dates

Filing date	Jun 23, 1997
Grant date	Jun 2, 1998
Priority date	—
Expiry date	Jun 23, 2017

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21V7/28
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In the reflector according to the invention based on unsaturated polyester resins the surface of the unworked piece has an average surface peak-to-valley height of less than 0.5 .mu.m. It is produced by injection molding of a molding compound based on unsaturated polyester resins and subsequent application of a metal coating on that surface of the unworked piece which is to be reflecting wherein the polyester molding compound is free of fibers and styrene.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.