Process and apparatus for closing one end of a tubular bar
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United States of America Patent
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Sep 19, 1989
Grant Date -
N/A
app pub date -
Sep 23, 1987
filing date -
Sep 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process is described in which a tubular bar (27) which is substantially but not entirely filled with flowable solids (28), is closed at one end. To close the tubular bar (27) at its end, a thread (3) is introduced into the tubular bar (27) and is caused to form a ball of thread therein. The thread (3) is preferably introduced into the tubular bar by being blown through a hollow needle (11).
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