US Patent Issued to Wirtgen on March 24 for "Constant surface patterns during slip form paving" (German Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,277, issued on March 24, was assigned to Wirtgen GmbH (Windhagen, Germany).

"Constant surface patterns during slip form paving" was invented by Christoph Weigel (Sankt Augustin, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A slip form paving machine includes a slip form mold having a mold width extending transversely to a paving direction. At least one smoothing beam is supported behind the slip form mold for engaging an upper surface of a formed not yet hardened concrete structure to smooth the upper surface, the at least one smoothing beam being configured to oscillate transversely to the paving direction. At least one advance speed sen...