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Device for compacting road paving materials

  • US 8,113,738 B2
  • Filed: 01/06/2009
  • Issued: 02/14/2012
  • Est. Priority Date: 02/02/2008
  • Status: Active Grant
First Claim
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1. A device for compacting road paving materials, comprising a screed which is fastened to a road finisher and extends transversely to the working direction of the finisher, and a tamper which is arranged upstream and/or downstream of said screed and which has a tamper strip which can be driven to perform a striking upward and downward movement (S), said tamper strip being equipped in its interior with an electrical heater in the form of a bar-shaped heating element which can be clamped in a cavity of the tamper strip, characterized in that the heating element is a round-tube heating body whose heating filament is folded over at least once at a free end of the round-tube heating body to form two bars arranged adjacently to one another which are connected in a common connecting block to an electrical supply line.

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