Measuring and testing – Simulated environment
Reexamination Certificate
2006-03-21
2006-03-21
Williams, Hezron (Department: 2856)
Measuring and testing
Simulated environment
C250S492100, C356S244000, C374S045000, C374S057000
Reexamination Certificate
active
07013742
ABSTRACT:
The invention concerns a device for exposing samples to photonic radiation for accelerated artificial weathering tests, comprising: chamber (30), a sample-holding cage (40) rotating about a horizontal axis (H—H), at least an electromagnetic radiation lamp (10) in the central part of the cage (45, 46). One improvement consists in ventilating means blowing air into the chamber (30) through the air intake orifice (50), so as to generate an air stream arriving directly on the lamp (10), then diverging about the lamp (10) to be evacuated through the fixed air outlets (31–38) at the periphery of the cage (40). Another improvement consists in the fact that the lower part of the rotary sample-holding cage is immersed in a liquid tank, such that the samples are cyclically in immersion phases into the liquid alternating with emergence phases into the air stream. The invention also concerns test devices and methods integrating said improvements.
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International Search Report for PCT/FR02/02073; ISA/EPO; Mailed: Dec. 23, 2002.
Harness & Dickey & Pierce P.L.C.
Rogers David A.
Williams Hezron
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