Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to machine element
Patent
1997-02-13
1998-02-10
Hail, III, Joseph J.
Manufacturing container or tube from paper; or other manufacturi
Control means energized in response to activator stimulated...
Responsive to machine element
493 29, 493 37, B31B 126
Patent
active
057163111
ABSTRACT:
A web tension measurement and control device and method for a folding machine are provided. The tension of a web over a former board is transduced by a sensor mounted on a former board adjustment rod. The former board adjustment rod is coupled at a first end to a portion of the former board near the edge at which the web departs the former board, and at a second end to a frame. The sensor transduces a signal proportional to the strain to which it is subjected. The signal is provided to a gauge for visualization of a value of the web tension, and/or to an information processing device which generates one or more control signals functions of the measured value of the web tension. The one or more control signals may be fed back to a driven roller upstream of the former board and/or to a set of nip rollers downstream of the former board in order to actuate them so as to produce a desired web tension.
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Burke David Charles
Novick Michael Alexander
Day Christopher W.
Hail III Joseph J.
Heidelberger Druckmaschinen AG
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