ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,468, issued on Sept. 8, was assigned to REIFENHAEUSER GMBH & CO KG MASCHINENFABRIK (Troisdorf, Germany).
"Apparatus for making spunbond" was invented by Detlef Frey (Niederkassel, Germany), Martin Neuenhofer (Roesrath, Germany) and Sebastian Sommer (Troisdorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for making spunbond from continuous thermoplastic filaments has a spinneret for spinning the continuous filaments and advancing them in a filament-travel direction, a cooler for cooling the filaments, a stretcher for stretching the filaments, a depositing device including a foraminous belt extending in a machine direction tran...