Core for a pipe that is to be bent
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United States of America Patent
Stats
-
Apr 5, 1983
Grant Date -
N/A
app pub date -
Jan 2, 1981
filing date -
Jan 4, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The pipe-bending core consists of elements which are coupled to one another in articulated manner and threaded like a string of pearls on a wire cable, and which are expanded on being pushed against one another, but nevertheless remain articulated. The principle can be applied to pipes of differing cross-section. After releasing the bracing arrangment, the elements contract again by means of spring bias, so that the core can easily be withdrawn from the bent pipe.
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Cited Art Landscape
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