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Assembly and method for manufacturing a piston rod and a tamper bar

  • US 10,280,571 B2
  • Filed: 06/04/2018
  • Issued: 05/07/2019
  • Est. Priority Date: 11/18/2015
  • Status: Active Grant
First Claim
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1. A piston rod for a road finisher, the piston rod comprising:

  • a connecting portion to connect the piston rod to a tamper bar drive,wherein the piston rod is configured to be connected to a tamper bar with a lower surface of the piston rod contacting an upper surface of the tamper bar, andwherein a heating layer of a heating element is disposed at the lower surface of the piston rod, wherein the heating layer at least partially comprises a thermal spray coating.

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