Composite material comprising ultrasonically welded seams which combine strands, method for its manufacture, and apparatus for the carrying out of the method
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United States of America Patent
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-
Dec 15, 1981
Grant Date -
N/A
app pub date -
Dec 19, 1979
filing date -
Mar 29, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Improved multi-layered articles ultrasonically joined having at least one interior material non-ultrasonically joinable and method and apparatus for producing said articles.
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Cited Art Landscape
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