{"number":"US12697807B2","kindCode":"B2","documentType":"grant","title":{"original":"Method for forming a stress-free multilayer PVC sheet material","english":"Method for forming a stress-free multilayer PVC sheet material"},"abstract":{"original":"A method for forming a multilayer plastic sheet material is disclosed, where a first polymer mass is melted under pressure and is passed through an extruder head at a specified discharge rate in the form of a plastic strand in sheet form that is provided with one or more layers so that a multilayer plastic strand is formed. This is passed to two or more rolls of a finishing stand that processes the multilayer plastic strand into a sheet. After the plastic strand in sheet form leaves the extruder head, it is first passed between a top roll and a bottom roll of a roughing stand.…","english":"A method for forming a multilayer plastic sheet material is disclosed, where a first polymer mass is melted under pressure and is passed through an extruder head at a specified discharge rate in the form of a plastic strand in sheet form that is provided with one or more layers so that a multilayer plastic strand is formed. This is passed to two or more rolls of a finishing stand that processes the multilayer plastic strand into a sheet. After the plastic strand in sheet form leaves the extruder head, it is first passed between a top roll and a bottom roll of a roughing stand.…"},"applicants":["LICOPLAST SA","KREAFIN GROUP SA"],"inventors":["Yves MICHEL","Willy D'HONDT"],"filingDate":"2023-05-31","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697807B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697807B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697807B2","ja":"https://downloadpatent.com/ja/patent/US12697807B2"}}