Guiding mandrin for drainage ducts
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United States of America Patent
Stats
-
Dec 15, 1987
Grant Date -
N/A
app pub date -
Mar 27, 1986
filing date -
Mar 29, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Guiding mandrin for drainage ducts featuring a wedge that by being pushed in or pulled out of the split tip of the mandrin tube will cause said tip to increase or reduce its diameter according to requirement. Hereby, a firm contact between guiding mandrin and drainage duct can be established which will significantly facilitate the handling of the drainage duct.
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Family
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Cited Art Landscape
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