US Patent Issued to REIFENHAEUSER GMBH & Co. KG MASCHINENFABRIK on Nov. 25 for "Manufacture of spunbonded nonwoven from continuous filaments" (German Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,237, issued on Nov. 25, was assigned to REIFENHAEUSER GMBH & Co. KG MASCHINENFABRIK (Troisdorf, Germany).

"Manufacture of spunbonded nonwoven from continuous filaments" was invented by Michael Nitschke (Koenigswinter, Germany), Martin Neuenhofer (Roesrath, Germany), Hans-Georg Geus (Niederkassel, Germany) and Detlef Frey (Niederkassel, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spunbonded nonwovens is made by first spinning thermoplastic continuous filaments and emitting them from a spinneret in a direction and then passing the filaments in the direction through a cooling chamber. Meanwhile cooling air is fed from respective manifolds ...