B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
341/48
B31F 1/28 (2006.01) B65H 20/24 (2006.01) B65H 20/32 (2006.01)
Patent
CA 1135375
ABSTRACT OF THE INVENTION A speed control system is provided for apparatus and processes for shaping and treating web material of in- definite length wherein the apparatus includes a master processing unit, one or more slave processing units communi- cating with the master unit through web storage or buffer means and a computer. Information as to the desired speed and mode of operation of the master unit and the mode of operation of the slave units is inputted to the computer which communicates with the drive motors of the master and slave units through special buffered isolated amplifiers and automatically controls the speed of the slave units so as to maintain the desired quantity of partially processed web material in the web storage means and to maintain the selected operating speed of the master unit.
327077
Hemming Frank E. Jr.
Johnson Stuart A.
Gowling Lafleur Henderson Llp
International Paper Company
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