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Paver and method for simultaneously casting several paving material layers

  • US 20050220540A1
  • Filed: 03/25/2005
  • Published: 10/06/2005
  • Est. Priority Date: 04/02/2004
  • Status: Active Grant
First Claim
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1. Paver (F) for casting at the same time at least two paving material layers (L1, L2) on top of each other, in particular of concrete and/or asphalt, on a plane (P), comprising:

  • a chassis carried by an undercarriage, the chassis being provided with at least one hopper and at least one longitudinal conveyor, and at least two paving screeds supported by the chassis each paving screed being provided with a compaction assembly, at least one of the paving screeds being arranged behind the undercarriage, a front paving screed for casting a lower paving material layer is provided at an end section of the chassis which is situated in operation running direction in the front of the chassis, and that the front paving screed is provided with a compaction assembly for generating a degree of compaction in the lower layer which suffices to withstand the load of the undercarriage directly travelling on the lower layer.

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