Patent · US Active

Apparatus for artificial weathering comprising two kinds of light emission sources

US12247911B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

ATLAS Material Testing Technology GmbH · US

Inventors

Matt McGreer · Prospect, US
Oliver Rahäuser · Geislitz, DE
Jörn Jahnke · Geislitz, DE

Key dates

Filing date	Mar 31, 2022
Grant date	Mar 11, 2025
Priority date	—
Expiry date	Mar 11, 2043

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2113/30
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus for artificial weathering or lightfastness testing of samples comprises a weathering chamber, a first light source provided in the weathering chamber, the first light source comprising one or more fluorescent UV lamps each comprising an emission spectrum with a maximum wavelength below a predetermined wavelength, and a second light source provided in the weathering chamber, the second light source comprising one or more light emitting diodes each comprising an emission spectrum with a maximum wavelength above the predetermined wavelength.

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