Process and apparatus for the manufacture of tubular hollow bodies and the use thereof
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United States of America Patent
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Apr 14, 1987
Grant Date -
N/A
app pub date -
Jan 25, 1980
filing date -
Jan 26, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a method and apparatus of manufacture of fiber reinforced tubular bodies which comprise in combination at least on cover layer and at least one core layer; said layers being wound upon a winding mandrel the shape of which corresponds to the desired shape of the hollow body. The method includes the use of a control unit which comprises a compression tunnel adapted to reduce the thickness of the core and cover layers thereby applying compressional and tensile forces simultaneously to the layers resulting in a more homogeous and therefore stronger bond between the layers.
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