Method for bending a metal pipe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 1, 1983
Grant Date -
N/A
app pub date -
Sep 17, 1980
filing date -
Sep 21, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and hot bending apparatus for metal pipes in which the temperature of the pipe is kept constant during 'gradation bending'. The temperature may be adjusted by adjusting the power applied to the heater, or alternatively by adjusting the relative movement of the pipe with respect to the heater. While a feedback system may be utilized, a predetermined program is preferred under control of a microprocessor.
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