Method for affixing a metallic tip to a tube made of composite wound material
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United States of America Patent
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Nov 5, 1991
Grant Date -
N/A
app pub date -
Dec 28, 1989
filing date -
Dec 29, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Fibers, which are substantially longitudinally profiled, are wound both around a cylindrical mandrel and a metallic double cone-shaped tip which is engaged onto said mandrel. Said fibers are turned back about studs distributed on a ring which is mounted on a threaded portion extending from the tip, whereupon said longitudinal fibers are binded thereto by means of circumferential fibers before the polymerization process of the tube has been completed. The composite tubes thus produced may be used in off-shore oil prospecting.
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