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Methods for inserting wires into a gaseous emissions treatment unit

  • US 10,364,720 B2
  • Filed: 04/13/2017
  • Issued: 07/30/2019
  • Est. Priority Date: 09/18/2013
  • Status: Active Grant
First Claim
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1. A method for loading elongate wire lengths into elongate cells of a honeycomb ceramic substrate unit for a gaseous emissions treatment assembly, the method comprising, forming lengths of the wire with generally pointed profile tips, aligning axes of the wire lengths with axes of respective selected ones of the cells, moving the wire lengths so that the tips enter into ends of the respective selected cells, and pushing the wire lengths to desired positions within the respective cells;

  • monitoring a reactive force acting on a wire length as it is inserted into a respective cell and, on the basis of the monitored reactive force, adjusting insertion conditions to limit or reduce the reactive force; and

    wherein the monitoring of the reactive force is effected using a sensor mounted near a leading end of a wire length insertion arm or in a drive to the insertion arm.

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