Process for joining components made of metal
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United States of America Patent
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-
Dec 26, 1995
Grant Date -
N/A
app pub date -
Mar 14, 1994
filing date -
Apr 6, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for joining components made of metal, in particular aluminum and aluminum alloys, is such that a thermally-curable (hardenable) adhesive is deposited between the close-fitting surfaces of the components that are to be joined, and one of the outer surfaces neighboring the said close-fitting surface of one of the components is radiated with infra-red radiation in order to cure the adhesive. At least the outer surface to be radiated is provided with a pattern that roughens that surface. By reducing the reflectivity of the roughened surface the capacity to absorb infrared radiation is increased. A preferred application for the process is in the adhesive bonding of shaped parts, especially body sheet in automobile manufacture.
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